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Guide to Races in Colorado

Featured Events

Winter Running Series
Winter 2019-2020


Chilly Cheeks Winter Duathlon Series
Winter 2019-2020


Superior Stocking Run
Dec. 15, 2019


Yeti Chase 5K/10K
Jan. 26, 2020


Ralston Creek Half Marathon & 5K
Feb. 9, 2020


Three Creeks Half Marathon
April 4, 2020

Barkin' Dog Duathlon
April 18, 2020


Mt. Evans Ascent
June 14, 2020


Evergreen Sprint Triathlon
July 19, 2020


Littlefoot Triathlon
Sept. 12, 2020


Winter Running Series
Winter 2019-2020


Chilly Cheeks Winter Duathlon Series
Winter 2019-2020


Superior Stocking Run
Dec. 15, 2019


Yeti Chase 5K/10K
Jan. 26, 2020


Ralston Creek Half Marathon & 5K
Feb. 9, 2020


April 2020


  • 4 Three Creeks Half Marathon, Cherry Creek State Park, Denver, Colorado, 8:00 a.m., 303.642.7917 CANCELLED

  • 4 PPRR Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534 VIRTUAL
  • 4 Baylon Michael Meyer Run, 5k, Lovell Park, Pueblo West, Colorado, 9:30 a.m., 719.240.5381 VIRTUAL
  • 4 Spring Fling, 1M/5k, Hine Lake Loop Trail, Littleton, Colorado, 9:00 a.m., 720.981.2988 CANCELLED
  • 4 Run with Scissors, Half/Marathon/50k, Adams County Regional Park, Brighton, Colorado, 6:00 a.m., 303.659.8792 CANCELLED
  • 4 Widowmaker Trail Run, 7M/11M, Trailhed 3M up Little Park Rd, Grand Junction, Colorado, 10:00 a.m., 970.241.6478 ONLINE REGISTRATION SUSPENDED
  • 5 Koala Bottle CMSP, 5k/12k/24k, Cheyenne Mountain State Park, Colorado Springs, Colorado, 8:00 a.m., 404.421.3231 RESCHEDULED to August 2nd, 2020

  • 5 Platte River Half Marathon, Half/Relay, Buckhorn Exchange Restaurant, Littleton, Colorado, 8:00 a.m., 303.220.1037 CANCELLED
  • 5 Colorado Brewery Running Series, 5k, Blue Moon Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410 POSTPONED
  • 5 Donut Dash, 5k/10k, Washington Park, Denver, Colorado, 8:45 a.m., 720.985.9047 POSTPONED
  • 5 RMRR City Park Run, 4M, City Park, Denver, Colorado, 9:00 a.m., 303.871.8366 CANCELLED
  • 7 Dash & Dine #1, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011 RESCHEDULED New Date Pending

  • 7 PPRR Full Moon Run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 p.m., 719.599.3583
  • 11 PPRR Tortoise & Hare, 5k, Bijou St Bridge at Bijou & I25, Colorado Springs, Colorado, 9:00 a.m., 719.963.4432 VIRTUAL
  • 11 Bayfield Easter Egg Scramble, 5k, Pine River Senior Center, Bayfield, Colorado, 10:00 a.m., 970.884.9544 CANCELLED
  • 11 Rattler Trail Races, 10k/25k/50k, Palmer Park, Colorado Springs, Colorado, 6:45 a.m., 719.429.9501 VIRTUAL
  • 11 Easter Escapade, 5k/10k, Carpenter Park, Thornton, Colorado, 8:00 a.m., 720.252.4788 VIRTUAL
  • 11 Easter Escapade, 5k/10k, Washington Park, Colorado, 8:00 a.m., 720.252.4788 VIRTUAL
  • 11 Colorado Brewery Running Series: Hop & Hops Easter 5k, Frolic Brewing, Westminster, Colorado, 11:00 a.m., 303.955.7410 POSTPONED
  • 11 Hoppin Half, 5k/10k/Half Marathon, Central Park, Denver, Colorado, 10:00 a.m., 720.365.2935 POSTPONED
  • 11 Color the Rock Run, 1k/5k, Riverbend Park, Palisade, Colorado, 10:00 a.m., 970.744.4450 CANCELLED
  • 11 Bunny Bolt, 5k/10k, City Park, Denver, Colorado, 10:00 a.m., 303.759.1515 CANCELLED
  • 11 Loveland Classic, 5k/10k, Davidson Gebhardt, Loveland, Colorado, 8:00 a.m., 970.613.5074 POSTPONED
  • 12 Hams & Hamstrings, 5k, Sand Creek Trailhead, Colorado Springs, Colorado, 8:00 a.m., 719.362.3306 CANCELLED
  • 14 Dash & Dine #2, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011 RESCHEDULED New Date Pending

  • 18-19 Desert RATS Running Festival, 5M/Half Marathon/Marathon/50k, Mack Trail Head, Fruita, Colorado, 6:30/8:30 a.m., 303.249.1112 CANCELLED

  • 18 Victims Rights Run, 1M/5k, North Monument Valley Park, Colorado Springs, Colorado, 9:00 a.m., 719.964.0645 CANCELLED
  • 18 Tillman Honor Run, 4.2M, Rock Island Trailhead, Falcon, Colorado, 2:00 p.m., 719.396.2013 VIRTUAL
  • 18 CMRA Clear Creek Run, 5k, Cannonball Crew Brewing, Golden, Colorado, 9:00 a.m., 720.711.3022
  • 18 Colorado Brewery Running Series: Earthday 5k, Two22 Brew, Aurora, Colorado, 11:00 a.m., 303.955.7410 POSTPONED
  • 19 Frank Shorter Race 4 Kids Health, 5k, Parkland Street/First Bank Center, Broomfield, Colorado, 8:00 a.m., 303.464.7191 RESCHEDULED New Date Pending

  • 19 Horsetooth Half Marathon, Hughes Stadium, Fort Collins, Colorado, 8:30 a.m., 303.946.9320 CANCELLED
  • 19 Rockin on the River 5k, Hudson Gardens Event Center, Littleton, Colorado, 9:00 a.m., 303.730.4610 VIRTUAL
  • 21 Dash & Dine #3, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011 RESCHEDULED New Date Pending

  • 25 Spiral Drive Run, 4M, Riverside Park,, Salida, Colorado, 9:00 a.m., 719.221.0529 POSTPONED
  • 25 Twin Silo Spring, 5k, Fossil Ridge High School, Fort Collins, Colorado, 9:00 a.m., 970.488.6260 POSTPONED
  • 25 Aardvark Run, 2k/5k, Greeley Campus, Greeley, Colorado, 8:45 a.m., 970.339.6421
  • 25 Pueblo to Pueblo Run, 2M/10k/11M, Cultural Center, Cortez, Colorado, 10:00 a.m., 970.565.1151
  • 25 Autism Awareness Run, 5k, America the Beautiful Park, Colorado Springs, Colorado, 10:00 a.m., 719.203.6903
  • 25 Adams 12 Five Star 5k for Wellness, 5k, Adams County Fairgrounds, Brighton, Colorado, 8:00 a.m., 720.972.5921 POSTPONED
  • 25 Protect the Children, 5k, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.660.5312 POSTPONED New Date July 25th, 2020
  • 25 UCCS Bash the Bluffs, 5k, Recreation Center, Colorado Springs, Colorado, 9:30 a.m., 729.255.5213 ONLINE REGISTRATION SUSPENDED
  • 25 Faith 5k, Christ Congregational Church, Fort Morgan, Colorado, 8:30 a.m., 970.867.3992 ONLINE REGISTRATION SUSPENDED
  • 25 Westminster Trail Races, 5k/10k/Half Marathon, Recreation Center, Westminster, Colorado, 858.775.7104 CANCELLED
  • 25 Rock Hawk Half Marathon, Miller Activity Complex, Castle Rock, Colorado, 7:00 a.m., 303.320.3343 POSTPONED
  • 25 24 Hrs of Palmer Lake, Santa Fe Regional Trail, Monument, Colorado, 8:00 a.m., 859.327.2423 POSTPONED
  • 26 Hogback Hustle, 1M/5k, Bradford Elementary, New Castle, Colorado, 9:00 a.m., 724.656.4756
  • 26 Colorado Rockies Home Run for the Homeless, 5k, Coors Field, Denver, Colorado, 8:00 a.m., 303.312.2411 POSTPONED New Date July 28th, 2020
  • 26 Run to Remember, 5k, CSU Oval, Fort Collins, Colorado, 10:00 a.m., 303.818.0818
  • 26 Colorado Brewery Running Series, 5k, Zuni Street Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410 POSTPONED
  • 26 Run For Remembrance, 5k, Clement Park, Littleton, Colorado, 8:00 a.m., 303.982.4400 ONLINE REGISTRATION SUSPENDED
  • 26 Cherry Creek Sneak, .5M/1.5M/5k/10M, Cherry Creek, Denver, Colorado, 303.394.7223 POSTPONED
  • 28 Dash & Dine #4, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011 RESCHEDULED New Date Pending

May 2020

June 2020

  • 3 East End 3k, 15th & Pearl, Boulder, Colorado, 8:00 a.m., 720.532.5549 CANCELLED
  • 4 Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 5 Full Moon Run, various distances, Red Rock Canyon Open Space, Colorado Springs, Colorado, 7:00 p.m., 719.599.3583
  • 6 PPRR Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 6 Run for Life, 5k, Memorial Park, Colorado Springs, Colorado, 8:00 a.m., 719.355.1183
  • 6 Run for their Lives, 5k, Stoney Ridge Pavillon, Silt, Colorado, 8:30 a.m., 970.618.7098 ONLINE REGISTRATION SUSPENDED
  • 6 Steamworks Half Marathon, Sports Club, Durango, Colorado, 8:00 a.m., 970.903.6774
  • 6 Runoff Runoff, 6k/Half/Marathon, Ball Park, Creede, Colorado, 8:00 a.m., 719.589.2230
  • 6 Rockin for Recovery, 5k, Boardwalk Park, Windsor, Colorado, 8:30 a.m., 970.658.7369
  • 6 Taste of Louisville, 5k/12k, Main Street, Louisville, Colorado, 8:00 a.m., 303.694.2202
  • 6 Hardscrabble Mountain Trail Runs, 5k/10k, Bear Basin Ranch, Westcliffe, Colorado, 10:00 a.m., 719.783.3018
  • 6 Colorado Brewery Running Series: Global Running Day 5k, Bruz Beers, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 6 Bergen Peak Half Marathon, Buchanan Park Recreation Center, Evergreen, Colorado, 8:00 a.m., 720.880.1226
  • 6 South Park Trail Marathon, Half Marathon/Marathon, South Park City, Fairplay, Colorado, 8:00 a.m., 720.624.9237
  • 6 Turquoise Lake Half Marathon, Matchless Boat Ramp, Leadville, Colorado, 9:00 a.m., 605.641.7580
  • 6 Run the Rockies Road Races, 10k/Half Marathon, Adventure Park, Frisco, Colorado, 8:00 a.m., 970.668.9133
  • 6 Into the Wild Running Festival, 5k/10k, Wild Animal Sanctuary, Keenesburg, Colorado, 7:00 a.m., 303.536.0118
  • 6 North Fork Runs, 50k/50M, Pine Valley Ranch Park, Pine, Colorado, 7:00 a.m., 303.903.3533
  • 6 The Rosie Run, 5k, Cottonwood Creek Park, Colorado Springs, Colorado, 8:00 a.m., 719.306.2330
  • 6 Habitat for Humanity, 5k, Fickel Park, Berthoud, Colorado, 7:30 a.m., 970.532.2870 CANCELLED
  • 7 Colorado Brewery Running Series, 5k, Upslope Brewing, Boulder, Colorado, 11:00 a.m., 303.955.7410
  • 7 Flamingo Day 5k, Sloans Lake, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 7 Fish Hatchery 5k, Cross Country Trail Run/National Fish Hatchery, Leadville, Colorado, 8:30 a.m., 605.641.7580
  • 7 Crazy Legs 10k, Devils Backbone Open Space Park, Loveland, Colorado, 7:00 a.m., 219.873.6296
  • 7 RMRR Bible Park Run, 4k, Bible Park, Denver, Colorado, 8:00 a.m., 303.871.8366
  • 7 Steamboat Races, 10k/Half Marathon/Marathon, 8th & Oak, Steamboat Springs, Colorado, 7:30 a.m., 970.285.3550
  • 7 Vitality Run, 5k, Washington Park, Denver, Colorado, 9:00 a.m., 303.830.1839
  • 7 Heroes for Hope Run, 1M/5k/10k, Lutheran Medical Center, Wheat Ridge, Colorado, 8:30 a.m., 303.467.4800
  • 11Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 11West End 3k, 11th & Pearl, Boulder, Colorado, 6:00 p.m., 720.532.5549 CANCELLED
  • 11 Happy Camper Runs, Half Marathon/Marathon/50M/100k/150M/200M, Stanley Lake Regional Park, Westminster, Colorado, 7:00 a.m., 719.400.5122
  • 12 Ragnar Trail Relay, 120M, Snowmass, Colorado, 801.499.5024
  • 13 Jodis Race for Awareness, 5k, City Park, Denver, Colorado, 8:00 a.m., 303.694.2202
  • 13 CMRA Elk Meadow Trail run, 5.1M, Elk Meadow, Evergreen, Colorado, 8:00 a.m., 303.550.8014
  • 13 Leadville Trail Marathon & Heavy Half Marathon, 6th Street Gym, Leadville, Colorado, 8:00 a.m., 719.219.9351
  • 13 Stepping Stone 5k, Clement Park, Littleton, Colorado, 9:00 a.m., 720.839.4626
  • 13 Front Range Freedom Run, 5k/10k, USAFA, Colorado Springs, Colorado, 7:00 a.m., 660.625.0172
  • 13 Miles for Melanoma, 5k, Sloans Lake Park, Denver, Colorado, 8:00 a.m., 303.522.4387
  • 14 Mt Evans Ascent, 14.5 Miles up the paved auto road, Mt Evans, Idaho Springs, 6:30 a.m., 303.642.7917

  • 14 Garden of the Gods Run, 10k/10M, Garden of the Gods, Manitou Springs, Colorado, 7:00 a.m., 719.963.1747
  • 14 Strides for Epilepsy, 5k, City Park, Denver, Colorado, 9:00 a.m., 303.694.2202
  • 14 Colorado Brewing Running Series, 5k, Breckenridge Brewery, Littleton, Colorado, 11:00 a.m., 303.955.7410
  • 14 Desert RATS Kokopelli Stage Race, 148M, Grand Junction, Colorado to Moab, Utah, 303.249.1112
  • 16 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 18FiBark Tenderfoot Mountain Hill Climb, 2M, Tenderfoot Mountain, Salida, Colorado, 6:00 p.m., 719.539.6738
  • 18 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 19 Happy Hour Half k, Shea Stadium, Highlands Ranch, Colorado, 6:00 p.m., 303.471.7048
  • 20 Mueller Marathon, 25k/Marathon, Mueller State Park, Divide, Colorado, 7:00 a.m., 719.429.9501 ONLINE REGISTRATION SUSPENDED
  • 20 Colorado Brewery Running Series, 5k, Tivoli Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 20 Cattle Crossing Run, 5k, Tallman Meadow Park, Parker, Colorado, 8:00 a.m., 303.805.6304
  • 20 Howelsen Hill Race, 4M/8M, Olympian Hall, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 20 Bacon Burner, 6k, Marina, Frisco, Colorado, 9:30 a.m., 970.668.9133
  • 20 Summer Solstice, 5k/10k/Kids, Creekside Park, Beaver Creek, Colorado, 9:30 a.m., 970.479.2280
  • 20 Mountain Ridge Races, 10k/Half Marathon, Mountain Ridge Middle School, Highlands Ranch, Colorado, 7:30 a.m., 720.835.9141
  • 20 FiBark Road Races, 5k/10k, Thonhoff Park, Salida, Colorado, 8:00 a.m., 719.539.6738
  • 20 Run for the Sun, 5k, Confluence SBC, Lafayette, Colorado, 7:30 a.m., 303.351.1038
  • 20 Sierras Race Against Meningitis, 5k, Foundations Church, Loveland, Colorado, 8:00 a.m., 970.310.9103
  • 20 Jeremy Bitner Fallen Officer Run, 5k/10k, Cornerstone Park, Englewood, Colorado, 8:00 a.m., 720.281.5938
  • 20 Pride 5k, Colorado State Patrol, Denver, Colorado, 9:30 a.m., 303.733.7743
  • 21 Denver Fathers Day Run, 5k/10k/10M/Half Marathon, Central Park, Denver, Colorado, 8:00 a.m., 720.365.2935
  • 21 Estes Park Races, 5k/10k/Half Marathon/Marathon, Middle & High Schools, Estes Park, Colorado, 6:00 a.m., 970.214.4128
  • 21 Fort Collins Fathers Day Run, 5k, Mountain Avenue, Fort Collins, Colorado, 8:00 a.m., 970.221.6655
  • 21 Strawberry Shortcut Runs, 5k/10k, 9th & Grand, Glenwood Springs, Colorado, 7:00 a.m., 970.945.6589
  • 21FiBark Trail Race, 10k, Arkansas Hills Trail System, Salida, Colorado, 8:00 a.m., 719.539.6738
  • 21 Cherry Creek Bruins Run, 5k, Cherry Creek High School, Greenwood Village, Colorado, 8:00 a.m., 720.554.2285
  • 22Park to Art 10k, Memorial Park Trail System, Meeker, Colorado, 8:00 a.m., 970.878.3403 CANCELLED
  • 25 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 26 Blue Moon Trail Run #2, 5k/8k, Pinon Valley Park, Colorado Springs, Colorado, 6:00 p.m., 719.385.7942
  • 26 Kokopelli Kids Trail Run Series, 0.5M to 1.7M, Pinon Valley Park, Colorado Springs, Colorado, 5:30 p.m., 719.337.2737
  • 27 Slacker Races, 4M/Half Marathon/Half Relay, Loveland Ski Area, Georgetown, Colorado, 8:00 a.m., 303.679.2312

  • 27 Mancos Cowboy Races, 5k/Half Marathon, Boyle Park, Durango, Colorado, 9:00 a.m., 814.558.9519
  • 27 Colorado Brewery Running Series, 5k, Wibby Brewing, Longmont, Colorado, 11:00 a.m., 303.955.7410
  • 27 San Juan Solstice Run, 50M, Town Armory, Lake City, Colorado, 5:00 a.m., 970.944.2269
  • 27 Erie Firecracker Runs, 4k/4M, Community Center, Erie, Colorado, 8:00 a.m., 814.454.7191
  • 27 Run 4 Hope, 5k/10k, Broncos Parkway Trailhead, Centennial, Colorado, 7:00 a.m., 303.261.6886
  • 27 Lone Tree Freedom Run, 5k, Charles Schwab Campus, Lone Tree, Colorado, 9:00 a.m., 970.403.2196
  • 27 Running Wild, 1M/5k, Regis University, Denver, Colorado, 8:00 a.m., 303.877.0223 CANCELLED
  • 28 Purple Stride 5k, Washington Park, Denver, Colorado, 7:00 a.m., 310.725.0251
  • 28 Colorado Rockies Home Run for the Homeless, 5k, Coors Field, Denver, Colorado, 8:00 a.m., 303.312.2411
  • 28 Kyle Macintosh Memorial Run, 5k, Omni Interlocken Resort, Broomfield, Colorado, 720.891.2926
  • 28 Dig Deep 5k, Dish Network, Littleton, Colorado, 9:00 a.m., 303.306.8259
  • 30 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133

July 2020


  • 4 Georgetown Tom Hayden Memorial Run, 5k, Stausse Park, Georgetown, Colorado, 8:00 a.m., 303.679.2426

  • 4 PPRR Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 4 PPRR Full Moon Run, various distances, Red Rocks Canyon Open Space, Colorado Springs, Colorado, 7:00 p.m., 719.599.3583
  • 4 Aspen Buddy Race, 5M, Rio Grande Park, Aspen, Colorado, 8:00 a.m., 970.925.3414
  • 4 Crested Butte Gothic to Crested Butte 1/3rd Marathon, 8.6M, Elk Avenue & 6th Street, Crested Butte, Colorado, 8:00 a.m., 970.349.7231
  • 4 Denver Colorado Brewing Running Series: Independence Day 5k, Declaration Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 4Denver Liberty Run, 4M, Washington Park, Denver, 8:30 a.m., 303.522.4387
  • 4 Evergreen Freedom Run, 5k, Easton Soccer Fields, Evergreen, Colorado, 8:30 a.m., 720.333.8063
  • 4 Firestone Firecracker Run, 5k, Carbon Valley Regional Library, Firestone, Colorado, 7:30 a.m., 303.833.3660
  • 4 Fort Collins Firekracker 5k, City Park, Fort Collins, Colorado, 7:30 a.m., 970.556.3279
  • 4 Glenwood Springs Firecracker 4k, Two Rivers Park, Glenwood Springs, Colorado, 8:30 a.m., 970.918.1981
  • 4 HRCA Independence Day 5k, Dorchester Street/Town Center South, Highlands Ranch, Colorado, 8:00 a.m., 303.791.2500
  • 4 Indian Hills Run, 5k, Arrowhead Park, Indian Hills, Colorado, 8:00 a.m., 303.697.4568
  • 4 Leadville Firecracker 5k, Downtown Leadville, Colorado, 8:30 a.m., 605-641-7580
  • 4 Loveland Liberty 5k, Grimm Brother Brewhouse, Loveland, Colorado, 8:00 a.m., 970.219.9844
  • 4 Palmer Lake 4th of July Fun Run, 4M, Santa Fe Trail, Palmer Lake, Colorado, 7:00 a.m., 303.919.7269
  • 4 Silverton Blue Ribbon Run, 2k/5k/10k, Memorial Park, Silverton, Colorado, 7:30 a.m., 970.387.5522
  • 4 Superior Mile, 1M, Community Park, Superior, Colorado, 7:00 a.m., 303.499.3675
  • 4 Vail HillClimb, 7.5M, Vail Mountain Haus, Vail, Colorado, 8:00 a.m., 970.479.2280
  • 4 Winter Park Run for Independence, 5M, Vintage Hotel, Winter Park, Colorado, 7:30 a.m., 970.726.4118
  • 5 Mountain Maddness, 10k/Half Marathon, Howelson Hill, Steamboat Springs, Colorado, 7:30 a.m., 970.879.0880
  • 9 Boulder Stroke & Stride 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 11 Silverton Alpine Races, 8M/Marathon/50k, Memorial Park, Silverton, Colorado, 7:00 a.m., 602.346.0554
  • 11 Aspen Valley Marathon, 5k/Marathon, Wagner Park, Aspen, Colorado, 7:00 a.m., 970.309.7214
  • 11 CMRA White Ranch Trail Run, 10k, White Ranch Park, Golden, Colorado, 8:00 a.m., 303.554.0870
  • 11 Colorado Brewery Running Series, 5k, Liquid Mechanics Brewing, Lafayette, Colorado, 11:00 a.m., 303.955.7410
  • 11 Lifes a Beach 5k, Sloans Lake Park, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 11 Sand Creek Races, 5k/10k/Half Marathon, Stapleton Central Park, Denver, Colorado, 7:00 a.m., 720.365.2935
  • 11 Silverheels Endurance Run, 100M, Cohen Park, Fairplay, Colorado, 4:00 a.m., 720.624.9237
  • 11 Hahns Peak Hill Climb, 7.3M, The Cabins at Historic Columbine General Store, Steamboat Springs, Colorado, 9:30 a.m., 303.915.0396
  • 12 Summer Roundup Trail Run, 7M/Half Marathon, Cheyenne Mountain State Park, Colorado Springs, Colorado, 6:30 a.m., 719.963.1747
  • 12 Last Call 50 Miler, Cohen Park, Fairplay, Colorado, 12:00 a.m., 720.624.9237
  • 12 Silver Rush 50M Run, Dutch Henry Hill, Leadville, Colorado, 9:00 a.m., 719.219.9351
  • 12 RMRR Stone House Run, 2M/2.4M, Stone House, Lakewood, Colorado, 8:00 a.m., 303.871.8366
  • 12 Kendall Mountain Sky Race, 12M, 12th & Greene to Memorial Park, Silverton, Colorado, 9:00 a.m., 602.828.6629
  • 12 Summer Roundup Trail Run, 7M/Half Marathon, Colorado Springs, Colorado, 6:30 a.m., 719.963.1747
  • 14 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 16 Stroke & Stride 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 17 Hardrock Hundred Mile Endurance Run, Silverton, Colorado, 970.259.3693
  • 18 Colorado Springs Classic, 10k, North Valley Monument Park, Colorado Springs, Colorado, 7:00 a.m., 719.429.9501 ONLINE REGISTRATION SUSPENDED
  • 18 Grin & Bear it Trail Run, 9.3M, Nordic Center, Crested Butte, Colorado, 9:00 a.m., 970.349.1707 x4
  • 18 Evergreen Mountain Trail Run, 15k, Alderfer Three Sisters Park, Evergreen, Colorado, 8:00 a.m., 720.880.1226
  • 18 Colorado Springs Classic, 10k, Colorado Springs, Colorado, 7:00 a.m., 719.429.9501
  • 18 10k at 10000 ft, 5k/10k, Eagle Bahn Gondola at Eagles Nest, Vail, Colorado, 9:00 a.m., 970.479.2280
  • 18 Kickers for Kids, 5k/10k/Half Marathon/Marathon, Palmer Lake Regional Park, Palmer Lake, Colorado, 7:00 a.m., 719.400.5122
  • 18 Coyotes One Mile Race, South Suburban Christian Church, Littleton, Colorado, 8:00 a.m., 720.287.4972
  • 19 Colorado Brewery Running Series, 5k, Odell Brewing, Fort Collins, Colorado, 11:00 a.m., 303.955.7410
  • 19 Black Hawk Marathon, 10k/Half Marathon, Golden Gate State Park, Golden, Colorado, 858.259.1501
  • 19 Donor Dash, 5k, Washington Park, Denver, Colorado, 8:00 a.m., 303.995.1200
  • 19 XTERRA Beaver Creek Trail Run, 5k/10k/19k, Beaver Creek Resort, Avon, Colorado, 8:30 a.m., 877.XTERRA.1
  • 19 Barr Trail Mountain Race, 12M, Cog Railway Station, Manitou Springs, Colorado, 7:00 a.m., 719.258.0360
  • 23 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 24 Kokopelli Kids Trail Series, 0.5M to 1.7M, Pinon Valley Park, Colorado Springs, Colorado, 5:30 p.m., 719.337.2737
  • 25 Elevation 2M/5k/10k, West Jeff Elementary School, Conifer, Colorado, 8:00 a.m., 303.982.5255

  • 25 RiNo 5k, Barrel Brewing, Denver, Colorado, 9:00 a.m., 720.573.8992

  • 25 Kennebec Challenge Mountain Run, 8.5M/15M, La Plata Canyon/La Plata City Campground, La Plata, Colorado, 8:00 a.m., 970.247.0312
  • 25 Never Summer Trail Race, 100k, Gould Community Center, Walden, Colorado, 5:30 a.m., 303.946.9320
  • 25 Pikes Peak Ultra, 30k/50k/50M, Bear Creek Regional Park, Colorado Springs, Colorado, 5:30 a.m., 719.429.9501 ONLINE REGISTRATION SUSPENDED
  • 25 Human Race, 5k/10k/Half Marathon, Museum of Discovery & Civic Center Park, Fort Collins, Colorado, 6:30 a.m., 970.556.3279
  • 25 Spring Creek Memorial, 5k/9M, Spring Creek Trail, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 25 Grand Mesa Ultra Trail Runs, 30k/55k/50M/100M, Grand Mesa Lodge, Grand Junction, Colorado, 5:00 a.m., 970.856.3250
  • 25 Mt Sopris RunOff, 4M/14.2M, Emma School House/Sopris Park, Emma/Carbondale, Colorado, 7:15 a.m., 970.704.0909
  • 25 Living Journeys Half Marathon, Red Lady Lift, Mt Crested Butte, Colorado, 8:30 a.m., 970.349.2777
  • 25 Protect the Children, 5k, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.660.5312 POSTPONED From April 25th, 2020
  • 25 Heritage Eagles run, 5k, Heritage High School, Littleton, Colorado, 8:00 a.m., 303.347.7600
  • 26 Colorado Brewery Series: Firehouse 5k, Station 26 Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 26 Dash for Smiles, 5k, Stapleton Central Park, Denver, Colorado, 8:30 a.m., 720.343.6201
  • 28 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 30 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.408.1195
  • 31 Blue Moon Trail Run #3, 5k/10k, Pinon Valley Park, Colorado Springs, Colorado, 6:00 p.m., 719.385.7942
  • 31 High Lonesome 100, Colorado Road 321, Salida, Colorado, 6:00 a.m., 720.591.6634
  • 31 Chase the Moon 12hr Endurance Run, Mountain Vista High School, Highlands Ranch, Colorado, 7:00 p.m., 303.320.3343

August 2020


  • 1 XTERRA Indian Peaks Trail Run, 5k/10k, Eldora Nordic Center, Nederland, Colorado, 8:00 a.m., 303.960.8129

  • 1 Colorado Brewery Running Series: 5k on the Mountain, New Belgium Ranger Station, Snowmass, Colorado, 11:00 a.m., 303.955.7410
  • 1 Silverton Dirty 60k/100k, Silverton, Colorado, 303.990.9049
  • 1 Sheep Mountain Endurance Runs, 50k/51M, Town Beach, Fairplay, Colorado, 6:00 a.m., 720.624.9237
  • 1 Neilson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 1 Berry Picker Trail Run, 5k, Lionshead Village, Vail, Colorado, 8:00 a.m., 970.479.2289
  • 1 Run for Rwanda, 5k, Cottonwood Creek Park, Colorado Springs, Colorado, 8:00 a.m., 719.351.6647
  • 1 Power of Four Trail Run, 10k/25k/50k, Aspen, Colorado, 6:00 a.m., 800.525.6200
  • 1 Silverton Ultra Marathon, 55k/100k, Silverton, Colorado, 6:00 p.m., 303.332.4849
  • 1 Lincoln Mountain Run, 12hrs, Lincoln Mountain Open Space, Larkspur, Colorado, 7:00 a.m., 719.400.5122
  • 1 Run for the Ring, 5k, BDC/Anschutz Medical Campus, Aurora, Colorado, 8:00 a.m., 303.863.1200
  • 1 Winter Park Half Marathon, 5k/Half Marathon, Grand Park, Winter Park, Colorado, 8:00 a.m., 970.725.8009
  • 5 Koala Bottle CMSP, 5k/12k/24k, Cheyenne Mountain State Park, Colorado Springs, Colorado, 8:00 a.m., 404.421.3231 RESCHEDULED from April 5th, 2020

  • 2 Evergreen Town Race, 5k/10k, Evergreen Lake House, Evergreen, Colorado, 8:00 a.m., 303.653.1857

  • 2 5k for Dravet, Clement Park, Littleton, Colorado, 8:30 a.m., 203.392.1955
  • 2 Adelante 5k, Stapleton Recreation Center, Denver, Colorado, 8:00 a.m., 720.274.2925
  • 3 Trans Rockies Run, 113M, Buena Vista to Beaver Creek, Colorado, 8:30 a.m., 403.668.7537
  • 3 Full Moon Run, various distances, Red Rock Canyon Open Space, Colorado Springs, Colorado, 7:00 p.m., 719.599.3583
  • 7 RMRR DeKoevend Park Run, 5k, DeKoevend Park, Englewood, Colorado, 6:30 p.m., 303.871.8366
  • 8 Sunrise Stampede, 2M/10k, 11th Avenue, Longmont, Colorado, 8:30 a.m., 303.772.9451

  • 8 Funnel Cake Races, 1M/5k, Riverdale Regional Park, Brighton, Colorado, 8:00 a.m., 303.647.8027

  • 8 Timberview Trail Run, 2.5M/5M, Lory State Park, Bellvue, Colorado, 7:30 a.m., 970.363.6499
  • 8 Cheatin Woodchuck Chase, 2.3M/5M, Rifle Mountain Park, Rifle, Colorado, 8:10 a.m., 970.665.6570
  • 8 Mayors Cup, 5k/10k, Woodland Park, Woodland Park, Colorado, 8:30 a.m., 719.687.5286
  • 8 Staunton State Park Run, 20k, Staunton State Park, Evergreen, Colorado, 8:00 a.m., 720.880.1000
  • 8 Run the Rockies Trail Races, 10k/Half Marathon, Frisco Adventure Park, Frisco, Colorado, 8:00 a.m., 970.668.9133
  • 8 Aspen Backcountry Marathon, Koch Park, Aspen, Colorado, 6:00 a.m., 970.429.2083
  • 8 Cirque Trail Series #2, 6.8M/2340 vertical, Arapahoe Basin Ski & Snowboard Area, Dillon, Colorado, 10:00 a.m., 800.516.0041
  • 8 Georgetown to Idaho Springs Half Marathon, Georgetown Lake, Georgetown, Colorado, 8:00 a.m., 303.378.2404
  • 8 Pearl Street Mile, Pearl & 14th, Boulder, Colorado, 6:30 p.m., 720.532.5549 CANCELLED
  • 8 Step up for Literacy Runs, 1k/5k, Weidner Field, Colorado Springs, Colorado, 9:00 a.m., 719.306.2330
  • 9 Pancake Stampede, 5k, Hudson Gardens, Littleton, Colorado, 8:00 a.m., 303.798.7515
  • 9 Steamboat Stinger Races, Half Marathon/Marathon, Howelson Base Area, Steamboat Springs, Colorado, 866.464.6639
  • 13 Mountain Avenue Mile, Howes St & Washington Park, Fort Collins, Colorado, 6:30 p.m., 970.221.1099
  • 15 Faith Chase 5k, Van Bibber Park, Arvada, Colorado, 8:00 a.m., 303.618.4305

  • 15 Just Peachy 5k, Riverbend Park, Palisade, Colorado, 8:00 a.m., 970.744.4450
  • 15 Mt Sneffels Marathon & Half Marathon, Ouray Hot Springs Park, Ouray, Colorado, 6:30 a.m., 970.325.0228
  • 15 Pajama Jog, 5k, City Park Pavilion, Denver, Colorado, 8:30 a.m., 720.295.9276
  • 15 CORI 5k, Arts Center, Lone Tree, Colorado, 8:00 a.m., 303.662.8250
  • 15 Aarapaho Warrior Run, 5k, Arapahoe High School, Centennial, Colorado, 8:00 a.m., 303.347.6000
  • 15 Cover Me 5k, Clement Park, Littleton, Colorado, 9:00 a.m., 303.507.3738
  • 16 Colorado Brewery Running Series Run, 5k, Jessup Farm Barrel House, Fort Collins, Colorado, 11:00 a.m., 303.955.7410
  • 16 Cookie Chase, 5k/10k, Washington Park, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 16 Leadville 10k Run, 6th & Harrison, Leadville, Colorado, 12:00 p.m., 719.219.9351
  • 16 Race for Research, 5k, Washington Park, Denver, Colorado, 8:00 a.m., 303.694.2202
  • 16 Beaver Creek Races, 10k/Half Marathon, Beaver Creek/Creekside Park, Avon, Colorado, 8:00 a.m., 858.775.7104
  • 16 Dog Days of Summer Runs, 5k/10k, Central Park, Denver, Colorado, 8:00 a.m., 720.365.2935
  • 21 Hope House Run, 5k, Lake Arbor Park, Arvada, 9:00 a.m., 303.429.1012 RESCHEDULED from May 2nd, 2020

  • 21 Valley 5000 Run, 5k, Fairgrounds Park, Loveland, Colorado, 7:00 p.m., 970.622.2376
  • 22 Peach Festival, 5k, Civic Center Park, Fort Collins, Colorado, 8:00 a.m., 970.460.6848
  • 22 Run Like the Wind, 5k/10k, The Old Gallery, Allenspark, Colorado, 9:00 a.m., 303.747.2906
  • 22 Leadville Trail 100, 6th & Harrison, Leadville, Colorado, 3:00 a.m., 719.219.9351
  • 22 Continental Divide Trail Run, 15.5M, Knoll Parking Lot (shuttles to Fish Creek Start), Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 22 Telluride Mountain Runs, 14M/22M/38M, Base of Gondola, Telluride, Colorado, 201.491.4412
  • 22 Pikes Peak Ascent, Half Marathon, Middle/High School, Manitou Springs, Colorado, 7:00 a.m., 719.473.2625
  • 23 Pikes Peak Marathon, Middle/High Schools, Manitou Springs, Colorado, 7:00 a.m., 719.473.2625
  • 23 PH in the Park, 1M/5k, City Park, Denver, Colorado, 8:00 a.m., 720.848.6541
  • 29 Thirsty 13 Half Marathon, Ska Brewing, Durango, Colorado, 7:00 a.m., 970.903.6774
  • 29 HRCA Wildcat Mountain Trail Run, 10k/10M, Rocky Heights Middle School, Highlands Ranch, Colorado, 7:00 a.m., 303.791.2500
  • 29 Gummball 5k, Adams County Fairgrounds, Brighton, Colorado, 9:30 a.m., 303.588.1452
  • 29 Estes Trail Ascent, 5.9M, Ravencrest Chalet & Conference Center, Estes Park, Colorado, 10:00 a.m., 719.214.4128
  • 29 Moonshadow Races, 10k/Half Marathon, Cheyenne Mountain State Park, Colorado Springs, Colorado, 7:00 p.m., 719.640.5291
  • 29 Bear Creek Run, 10Hrs, Bear Creek Regional Park, Colorado Springs, Colorado, 7:00 a.m., 719.400.5122
  • 29 DEvelyn Dash, 2k/5k, DEvelyn High School, Denver, Colorado, 9:00 a.m., 720.849.4622
  • 30 Colorado Brewery Running Series, 5k, Blind Faith Brewing, Littleton, Colorado, 11:00 a.m., 303.955.7410
  • 30 Bluffs Run, 5k, Recreation Center, Lone Tree, Colorado, 8:00 a.m., 303.483.7034

September 2020

  • 1 PPRR Full Moon Run, various distances, Red Rocks Canyon Open Space, Colorado Springs, Colorado, 7:00 p.m., 719.599.3583
  • 5 Grand Traverse Mountain Run, 40M, Elk Avenue, Crested Butte, Colorado, 6:30 a.m., 970.497.9600
  • 5 Das Bier Burner 5k, River Run Village/Keystone Resort, Keystone, Colorado, 12:00 p.m., 877.250.7750
  • 6 Cheap 5k, Colorado Springs Flea Market, Colorado Springs, Colorado, 8:30 a.m., 719.362.3306
  • 6 10k at 10000 feet, Summit of Old Rabbit Ears Pass, Steamboat Springs, Colorado, 10:00 a.m., 303.915.0396
  • 6 Breck Crest Runs, 10k/Half Marathon/Marathon, Riverwalk Center, Breckenridge, Colorado, 7:30 a.m., 303.517.7046
  • 6 Broncos Fit 7k, Broncos Stadium, Denver, Colorado, 9:00 a.m., 720.258.3100
  • 6 Estes Epic, Half Marathon/55k, Event Complex, Estes Park, Colorado, 7:00 a.m., 800.443.7837
  • 7 Wild West Days Great Stampede, 1M/3M, 4 Eagle Ranch, Vail, Colorado, 9:00 a.m., 970.479.2280
  • 7 Bolder Boulder, 10k, 30th & Pearl, Boulder, Colorado, 7:00 a.m., 303.444.7223 RESCHEDULED From May 25th, 2020
  • 7 Labor Day Races, 5k/10k/Half Marathon, Salisbury Park, Parker, Colorado, 7:00 a.m., 720.985.9047
  • 7 American Discovery Trail Runs, Half Marathon/Marathon/Relay, Downtown Colorado Springs & America the Beautiful Park, Colorado Springs, Colorado, 6:30 a.m., 719.635.3833
  • 7 Fortitude 10k, CSU, Fort Collins, Colorado, 8:00 a.m., 303.444.7223
  • 11 American Heroes Run, 5k/9Hr11min/9.11M/Half Marathon/Marathon/Ultra24Hrs, Rogers Grove Park, Longmont, Colorado, 7:00 a.m., 720.275.2197
  • 12 CMRA South Seven Run, 5k, Bluffs Regional Park, Lone Tree, Colorado, 9:00 a.m., 303.912.6401
  • 12 Black Squirrel Half Marathon, Lory State Park, Fort Collins, Colorado, 7:00 a.m., 303.946.9320
  • 12 Imogene Pass Run, 17.1M, Main Street, Ouray, Colorado, 970.728.0251
  • 12 Fox Runs, 5k/10k/Half Marathon/Marathon/50M, Fox Run Regional Park, Colorado Springs, Colorado, 7:30 a.m., 719.400.5122
  • 12 MeadowGold Runs, 5k/10k, Meadow Mountain, Minturn, Colorado, 10:00 a.m., 970.479.2280
  • 12 Devil on the Divide, 22k/50k, Henderson Mine, Empire, Colorado, 303.567.4822
  • 12 Babywear Family 5k, Barkeley Park, Denver, Colorado, 9:00 a.m., 720.639.4889
  • 12 Breckenridge Oktoberfest, 5k, South Gondola Parking Lot, Breckenridge, Colorado, 10:00 a.m., 970.453.1734
  • 12 Pawtoberfest, 5k, Bear Creek park, Colorado Springs, Colorado, 10:00 a.m., 719473.1741
  • 12 Ned*Ned Race, 5k/Half Marathon, Teens, Inc., Nederland, Colorado, 8:00 a.m., 303.258.3821
  • 12 Superhero Run, 10k, Family Fun Plex, Greeley, Colorado, 8:30 a.m., 970.353.5970
  • 13 Beulah Challenge, 5k/10k/Half Marathon, Beulah School of Natural History, Beulah, Colorado, 8:00 a.m., 719.432.6579

  • 13 RMRR Platte River Runs, 5k/10M/20M, Platte River Trailhead Park, Thornton, Colorado, 8:00 a.m., 303.798.7515
  • 13 Strides for Epilepsy, 5k, Bear Creek Park East, Colorado Springs, Colorado, 9:30 a.m., 303.377-9774
  • 13 Tiger Prowl, 5k, High School, Lakewood, Colorado, 9:00 a.m., 720.413.7133
  • 16 Sangre de Cristo Ultras, 27k/50k/50M/100k/100M/200M, Country Road 119, Westcliffe, Colorado, 4:00 a.m., 720.624.9237
  • 18 Run Rabbit Run, 100M, Ski Area, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 19 Mountain RATS Trail Races, Half Marathon/Marathon/50k, Color Coffee Roasters, Eagle, Colorado, 7:30 a.m., 303.249.1112

  • 19 Medals and Mimosas, 10k, 1700 Wazee St, Denver, Colorado, 8:00 a.m., 303.522.4387

  • 19 Run 4 Hope, 5k, The Ascent Church, Monument, Colorado, 9:00 a.m., 719.930.6140

  • 19 Golden Leaf Half Marathon, Fanny Hill/Snowmass Village, Aspen, Colorado, 8:30 a.m., 970.925.2849
  • 19 Colorado Brewery Running Series: Fall Colors 5k, Outer Range Brewing, Frisco, Colorado, 11:00 a.m., 303.955.7410
  • 19 Snow Mountain Ranch Races, 5k/10k/Half Marathon, YMCA of the Rockies Nordic Center, Granby, Colorado, 8:00 a.m., 858.775.7104
  • 19 So Long to Summer, 5k/10k, Salisbury Park, Parker, Colorado, 8:00 a.m., 303.841.0353
  • 19 HRCA Oktoberfest 5k, Town Center, Highlands Ranch, Colorado, 8:30 a.m., 303.791.2500
  • 19 Autumn Color Run, 1M/5k/10k/Half Marathon, McPhelemy Park, Buena Vista, Colorado, 9:00 a.m., 719.221.2867
  • 19 HEARS 5k Experience, Bear Creek Park East, Colorado Springs, Colorado, 8:30 a.m., 719.649.9220
  • 19 Brain Run, 5k, Sloans Lake, Denver, Colorado, 10:00 a.m., 720.352.2551
  • 20 Farmers 5000, 5k, Wheat Ridge High School, Wheat Ridge, Colorado, 9:00 a.m., 303.880.1732

  • 20 Colorado Brewery Running Series: RiNo to Rome 5k, Liberati Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 20 Equinox Half Marathon, 5M/Half Marathon, Poudre Canyon, Fort Collins, Colorado, 8:00 a.m., 970.556.3279
  • 20 Lead King Loop & Quarry Climb, 12.5k/25k, Beaver Lake Lodge, Marble, Colorado, 8:30 a.m., 970.704.1275
  • 20 The Golden Gallop, 5k/10k/Kids, Main Street Welcome Arch, Golden, Colorado, 8:00 a.m., 303.384.8000
  • 30 The Beer Relay, 6hrs, Bohn Park, Lyons, Colorado, 10:00 a.m., 401.580.9548 RESCHEDULED From May 30th, 2020
  • 20 Pony Express Run, 15M, Rampart Range Rd & Rainbow Gulch Trail, Woodland Park, Colorado, 8:00 a.m., 719.598.2953
  • 20 Be Ovary Aware 5k Run, America the Beautiful Park, Colorado Springs, Colorado, 8:30 a.m., 719.233.4114
  • 20 Race Against Suicide, 3k/5k/10k, El Pomar Youth Sports Park, Colorado Springs, Colorado, 10:30 a.m., 719.573.7447
  • 20 Nun Run Races, 1M/5k/Half Marathon, DeKoevend Park, Centennial, Colorado, 7:00 a.m., 720.722.3485
  • 26 Haxtun Corn Festival 5k, Main Street, Haxtun, Colorado, 8:00 a.m., 970.774.6104

  • 26 Monument Marathon, 5k/Half Marathon/Marathon, Five Rocks Amphitheatre, Gering, Nebraska, 8:00 a.m., 308.765.0514

  • 26 Darn Tough Mountain Marmot Run, 11M, Purgatory Resort, Durango, Colorado, 9:00 a.m., 970.247.9000
  • 26 Emerald Mountain Trail Run, 12k, Howelson Hill, Steamboat Springs, Colorado, 9:00 a.m., 970.879.0880
  • 26 Ouray Mountain Trail Run, 13M, Town Park, Ouray, Colorado, 10:00 a.m., 970.708.7142
  • 26 Colorado Springs Races, 5k/Half Marathon, Acacia Park, Colorado Springs, Colorado, 7:00 a.m., 801.455.9623
  • 26 Bear Chase Races, 10k/50k/50M/100k, Bear Creek Lake Park, Morrison, Colorado, 6:30 a.m., 303.320.3343
  • 27 Graland Gallop, 5k, Graland Country Day School, Denver, Colorado, 9:00 a.m., 303.399.8370

October 2020

  • 1 PPRR Full Moon Run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 p.m., 719.599.3583
  • 3 Rim to Rim Royal Gorge Races, 5k/10k, Royal Gorge, Canon City, Colorado, 8:30 a.m., 719.661.7600

  • 3 Wiggins High School Cross Country Invitational & Citizens 5k, High School, Wiggins, Colorado, 8:30 a.m., 970.596.2607

  • 3 Runway 5k for Angels, 5k, Rocky Mountain Metropolitan Airport (parking on Simms Road), Broomfield, Colorado, 9:00 a.m., 888.426.2643
  • 3 Colorado Brewery Running Series: Oktoberfest 5k, Prost Brewing, Denver, Colorado, 11:00 a.m., 303.955.7410
  • 3 Louisville Trail Races, 5k/10k/Half Marathon, Community Park, Louisville, Colorado, 8:00 a.m., 858.775.7104 ONLINE REGISTRATION SUSPENDED
  • 3 Crested Butte Ultra, 55k/105k, Crested Butte Mountain Resort, Crested Butte, Colorado, 4:00 a.m., 719.429.9501
  • 3 Run the Rocks & Rims, Half Marathon/Marathon/6Hr/10Hr, Castlewood Canyon State Park, Franktown, Colorado, 7:30 a.m., 719.400.5122
  • 3 Rut Run, 5k, Bond Park, Estes Park, Colorado, 8:30 a.m., 970.214.4128
  • 3 Appleftest 5k, Town Park, Cedaredge, Colorado, 7:30 a.m., 970.856.6961
  • 3 Castle Rock Trail Festival, 5k/10k/Half Marathon/Marathon/50k, Philip S Miller Park, Castle Rock, Colorado, 8:00 a.m., 720.985.9047
  • 3 Castlewood Canyon Ultra, 10Hrs, Castlewood Canyon State Park, Franktown, Colorado, 7:30 a.m., 719.400.5122
  • 3 La Veta Oktoberfest Run, 5k, Town Park, La Veta, Colorado, 8:30 a.m., 719.742.3555
  • 4 Autumn River Run, 5k/Half Marathon/Marathon, La Quinta Inn & Suits, North Platte, Nebraska, 7:30 a.m.

  • 4 Rim to Rim Royal Gorge Races, Half Marathon, Canon City, Colorado, 8:30 a.m., 719.661.7600

  • 4 RMRR Beck Rec Run, 5k/8M, Beck Recreation Center, Aurora, Colorado, 8:00 a.m., 303.871.8366
  • 4 PPRR Fall Series #1, 3.1M, Norris Penrose Event Center, Colorado Springs, Colorado, 10:30 a.m., 719.648.9996
  • 4 Long View Races, Half Marathon/Marathon, City Park & Fossil Ridge Creek, Fort Collins, Colorado, 7:30 a.m., 303.946.9320
  • 10 CMRA Stone House Triple Crown, 8.4M, Stone House Park, Lakewood, Colorado, 9:00 a.m., 303.765.5512
  • 10 Colorado Brewery Running Series, 5k, New Belgium Brewing, Fort Collins, Colorado, 11:00 a.m., 303.955.7410
  • 10 Cheyenne Mountain Run, 3M/25k, Cheyenne Mountain State Park, Colorado Springs, Colorado, 10:00 a.m., 719.322.0574
  • 10 Friend Day 5k, Front Range Baptist Church, Fort Collins, Colorado, 8:00 a.m., 970.402.4844
  • 11 Boulderthon, Marathon, Downtown Boulder, Colorado, 303.517.7046
  • 11 Run Through Time, 2M/Half Marathon/Marathon, Riverside Park, Salida, Colorado, 8:00 a.m., 719.539.2739 RESCHEDULED From March 14th, 2020
  • 11 bRUNch Run, 5k/10k, Stapleton Central Park, Denver, Colorado, 9:00 a.m., 303.993.8023
  • 17 Animal House Run Fur Fun, 5k, New Belgium Brewing, Fort Collins, Colorado, 10:30 a.m., 970.224.3647
  • 17 Blue Sky Trail Marathon, Blue Sky Trailhead/Horsetooth Mountain Park, Fort Collins, Colorado, 7:00 a.m., 303.946.9320
  • 17 Indian Creek Fifties, 15M/55k/50M, Indian Creek Trailhead, Sedalia, Colorado, 6:00 a.m., 720.624.9237
  • 17 Sage Burner Races, 5k/13k/28k/50k, Hartman Rock, Gunnison, Colorado, 7:00 a.m., 970.943.3263
  • 18 Colorado Brewery Running Series: New Terrain Trail 5k, New Terrain Brewing, Golden, Colorado, 11:00 a.m., 303.955.7410
  • 18 PPRR Fall Series #2, 4M, North Monument Valley Park, Colorado Springs, Colorado, 10:30 a.m., 719.649.9996
  • 24 Hoofin it Through the Hollows, 5k, Shelter C deKoevend Park, Centennial, Colorado, 5:45 p.m., 303.709.7515
  • 25 Narrowleaf Lake Run, 4M/7M/10M, Boyd Lake State Park, Loveland, Colorado, 9:00 a.m., 970.363.6499

  • 25 EAPL Zombie Run, 5k, Chow Down Pet Supplies, Evergreen, Colorado, 10:00 a.m., 303.674.6442
  • 31 Eerie Erie, 5k/10k, Middle School, Erie, Colorado, 9:30 a.m., 303.926.7293

  • 31 Colorado Brewery Running Series: Boos & Brews, Avery Brewing, Boulder, Colorado, 11:00 a.m., 303.955.7410
  • 31 Smash and Dash, 5k/10k, Great Lawn Park, Denver, Colorado, 10:00 a.m., 720.365.2935
  • 31 Foundry Halloween Run, 5k, Soda Creek Elementary School, Steamboat Springs, Colorado, 9:00 a.m., 970.819.0637
  • 31 YMCA Creepy Crawl, 5k, Santa Fe Trail @ Palmer Lake, Palmer Lake, Colorado, 9:30 a.m., 303.919.7269
  • 31 PPRR Full Moon run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 a.m., 719.599.3583

November 2020

  • 1 Day of the Dead 5k, Washington Park, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 1 PPRR Fall Series #3, 5.5M, Ute Valley Park, Colorado Springs, Colorado, 10:30 a.m., 719.648.9996
  • 7 Moab Trail Races, Adventure 5k/Half Marathon, Marathon, Kane Creek Trail Head, Moab, Utah, 9:00 a.m., 970.389.4838

  • 7 Colorado Brewery Running Series: Veterans Day 5k, Goat Patch Brewing, Colorado Springs, Colorado, 11:00 a.m., 303.955.7410
  • 7 Rim Rock Marathon, Colorado National Monument to James Robb State Park, Fruita, Colorado, 8:00 a.m., 970.248.1469
  • 7 HRCA Backcountry Wilderness Half Marathon, Paint Brush Park, Highlands Ranch, Colorado, 8:30 a.m., 303.791.2500
  • 7 Colorado Springs Girls on the Run, 5k, America the Beautiful Park, Colorado Springs, Colorado, 10:00 a.m., 720.879.2354
  • 8 Moab Trail Half Marathon, Kane Creek Trail Head, Moab, Utah, 9:00 a.m., 970.389.4838

  • 8 RMRR Prairie Gateway Races, 5k/9M, Prairie Gateway, Commerce City, Colorado, 9:00 a.m., 303.871.8366
  • 8 Denver Veterans Run, 5k/10k, City Park, Denver, Colorado, 8:00 a.m., 720.425.2978
  • 8 Celebrate our Vets 5k, Monument Valley Park, Colorado Springs, Colorado, 8:30 a.m., 719.306.2330
  • 9 The Great Candy Run, 5k, Washington Park, Denver, 10:00 a.m., 303.694.2202
  • 14 Longmont Turkey Trot, 2M/10k, Altona Middle School, Longmont, Colorado, 9:00 a.m., 303.651.8406

  • 14 CMRA HR Veterans Run, 6.6M, Hildebrand Ranch Park, Littleton, Colorado, 10:00 a.m., 303.781.1738
  • 14 Colorado Brewery Running Series: 5k & Chili Cookoff, Resolute Tap & Cellar, Arvada, Colorado, 11:00 a.m., 303.955.7410
  • 14 Pizza Pie Run, 1M/5k/10k, City Park, Denver, Colorado, 10:00 a.m., 720.365.2935
  • 15 PPRR Fall Series #4, 7.4M, Palmer Park Maizeland Entrance, Colorado Springs, Colorado, 10:30 a.m., 719.590.7086
  • 21 Brighton Turkey Trot, 5k, Recreation Center, Brighton, Colorado, 8:30 a.m., 303.655.2000

  • 21 Canon City Turkey Trot, 5k, Pathfinder Park, Florence, Colorado, 10:00 a.m., 719.275.1578
  • 21 Colorado Springs Turkey Trot Predict, 5k, Memorial Park, Colorado Springs, Colorado, 10:00 a.m., 719.598.2953
  • 21 Denver Pumpkin Pie Run, 5k/10k, City Park, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 22 Denver Turkey Trails, 5k/10k, Sloans Lake, Denver, Colorado, 8:00 a.m., 720.251.4788
  • 26 Carbondale Huffin for Stuffin, 5k, North Face Park, Carbondale, Colorado, 8:00 a.m., 970.510.1280
  • 26 Colorado Springs YMCA Briargate Turkey Trot, 5k, Briargate YMCA, Colorado Springs, Colorado, 9:00 a.m., 719.495.5107
  • 26 Denver Gravy Boat Run, 5k, Sloans Lake, Denver, Colorado, 9:00 a.m., 303.981.4616
  • 26 Denver Mile High Turkey Trot, 4M, Washington Park, Denver, Colorado, 10:15 a.m., 303.694.2202
  • 26 Durango Turkey Trot, 1M/5M, Fort Lewis College, Durango, Colorado, 10:00 a.m., 970.903.6774
  • 26 Greeley NCMC Turkey Trot, 5k, Northern Colorado Medical Center, Greeley, Colorado, 9:00 a.m., 970.350.6204
  • 26 Highlands Ranch Turkey Day 5k, Shea Stadium at Redstone Park, Highlands Ranch, Colorado, 9:00 a.m., 303.791.3500
  • 28 Longmont Leftover Turkey Trot, 5k, Rogers Grove Park, Longmont, Colorado, 10:30 a.m., 720.788.9192
  • 26 Parker Turkey Day 5k, Cherry Creek Trail, Parker, Colorado, 8:00 a.m., 303.805.3278
  • 30 PPRR Full Moon Run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 p.m., 719.599.3583

December 2020

  • 5 CMRA Sand Creek Run, 5M, Bluff Nature Center, Denver, 10:00 a.m., 720.480.2370
  • 5 Colorado Brewery Running Series: Ugly Sweater Run, 5k, Left Hand Brewing, Longmont, Colorado, 11:00 a.m., 303.955.7410
  • 5 ColderBOLDER, 5k, CU Campus, Boulder, Colorado, 9:50 a.m., 303.444.7223
  • 5 Chasing Santa Run, 5k, America the Beautiful Park, Colorado Springs, Colorado, 9:00 a.m., 719.306.2330
  • 6 RMRR Wash Park 4.5M, Washington Park, Denver, Colorado, 9:00 a.m., 303.871.8366
  • 12 Chilly Cheeks Winter Duathlon Series & 4M Run Only #1, Cherry Creek State Park, Denver, Colorado, 10:00 a.m., 303.642.7917

  • 12 Candy Cane Course, 5k/10k, City Park, Denver, Colorado, 8:00 a.m., 720.251.4788
  • 12 Scramblin Scrooge, 5k/10k, City Park, Denver, Colorado, 8:00 a.m., 720.365.2935
  • 12 Sawmill Trail Runs, 27k/55k, White Ranch Open Space, Golden, Colorado, 7:00 a.m., 720.624.9237
  • 12 Jingle Bell 5k, Fountain Creek Regional Park, Fountain, Colorado, 9:30 a.m., 303.919.7269
  • 19 Christmas Carol Classic, 1k/5k, City Park, Denver, Colorado, 9:00 a.m., 720.365.2935
  • 20 Christmas Sweater 5k, Washington Park, Denver, Colorado, 9:00 a.m., 702.985.9047
  • 29 PPRR Full Moon Run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 p.m., 719.599.3583
  • 31 Ft Collins Resolution Run, 5k, Edora Pool, Fort Collins, Colorado, 6:00 p.m., 303.945.9320
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