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Guide to Races in Colorado

Featured Events

Winter Running Series
Winter 2018-2019


Chilly Cheeks Winter Duathlon Series
Winter 2018-2019


Superior Stocking Run
Dec. 16, 2018


Yeti Chase 5K/10K
Jan. 20, 2019


Ralston Creek Half Marathon & 5K
Feb. 3, 2019


Three Creeks Half Marathon
April 2019

Barkin' Dog Duathlon
May 2019


Mt. Evans Ascent
June 8, 2019


Evergreen Sprint Triathlon
July 21, 2019


Littlefoot Triathlon
Sept. 15, 2018


Winter Running Series
Winter 2018-2019


Chilly Cheeks Winter Duathlon Series
Winter 2018-2019


Superior Stocking Run
Dec. 16, 2018


Yeti Chase 5K/10K
Jan. 20, 2019


Ralston Creek Half Marathon & 5K
Feb. 3, 2019


February 2019

  • 2 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 3 Ralston Creek Half Marathon & 5k, 64th & Fig, Arvada, Colorado, 10:00 a.m., 303.642.7917
  • 9 Catch Me if you Can, 5k, Anheuser Busch, Fort Collins, Colorado, 9:00 a.m., 970.556.3279
  • 9 PPRR Winter Series #3, 5M/10M, El Pomar Youth Sports Park, Colorado Springs, Colorado, 10:00 a.m., 719.577.6339
  • 9 Sweetheart Stroll, 1.5M/5k, Community Building Lot, Lamar, Colorado, 10:00 a.m., 719.336.4375
  • 9 Sweetheart Classic, 4M, Highschool, Loveland, Colorado, 9:00 a.m., 970.219.9844
  • 9 Valentine Day Massacre Prediction Run, 3M, Bottom of Rosevale Rd, Grand Junction, Colorado, 10:00 a.m., 970.589.6180
  • 10 Le Cours de la Amour, 5k/10k, City Park, Denver, Colorado, 9:00 a.m., 720.365.2935
  • 10 RMRR Platt River Run, 5k/7M, Platt River Bar & Grill, Littleton, Colorado, 10:00 a.m., 303.798.7515
  • 10 Valentines Day 4 Mile, Washington Park, Denver, Colorado, 10:00 a.m., 303.694.2202
  • 16 Sweetheart Run, 5k/10k, Community Center, Fruita, Colorado, 10:00 a.m., 970.858.0360
  • 19 Full Moon Run, various distances, Red Rocks Canyon Open Space, Colorado Springs, Colorado, 7:00 p.m., 719.599.3583
  • 23 Chilly Cheeks Winter Run Series, 4M, Cherry Creek State Park, Denver, Colorado, 10:00 a.m., 303.642.7917
  • 23 PPRR Winter Series #4 Harrys Valley of Dogs, 10k/20k, Wolford Elementary School, Black Forest, Colorado, 10:00 a.m., 719.577.6339
  • 23 Cupids Undie Run, 5k, McNichols Civic Center Building, Denver, Colorado, 2:00 p.m., 212.344.6633
  • 24 Pueblo Marathon & Half Marathon, North Marina, Lake Pueblo, Pueblo, Colorado, 10:00 a.m., 719.429.9501

March 2019

  • 2 DreamCatcher Half Marathon, Riverfront Trail System/Edgewater Tap & Grill, Grand Junction, Colorado, 7:00 a.m., 970.234.8772 (9-5pm please)
  • 2 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 2 Fight for Air Climb, Republic Plaza, Denver, Colorado, 9:00 a.m., 303.388.8708
  • 3 Moab Spring Trail Runs, 8k/Half Marathon, Klondike Bluffs Trailhead, Moab, Utah, 8:00 a.m., 970.389.4838

  • 3 Spring Runoff, 5k/10k/10M, Dutch Clark Stadium, Pueblo, Colorado, 9:00 a.m., 719.564.9303
  • 3 That Dam Run, 5k/Half Marathon, Cherry Creek Dam, Denver, Colorado, 10:00 a.m., 303.694.2202
  • 4 RMRR Crown Hill Park, 3M, Crown Hill Park, Lakewood, Colorado, 9:00 a.m., 303.871.8366
  • 9 Lucky Charm, 1M/5k/10k, City Park, Denver, Colorado, 8:00 a.m., 720.365.2935
  • 9 Run Through Time, 2M/Half Marathon/Marathon, Riverside Park, Salida, Colorado, 8:00 a.m., 719.539.2739
  • 16 5k on St Patricks Day, Downtown, Colorado Springs, Colorado, 10:00 a.m., 719.635.8803
  • 16 Lucky Laces, 5k/10k, City Park, Denver, Colorado, 9:00 a.m., 720.365.2935
  • 16 Saint Patrick Brew Run, 5k, Saint Patricks Brewing, Littleton, Colorado, 10:00 a.m., 303.776.1914
  • 20 Full Moon Run, various distances, Beckers & El Paso, Manitou Springs, Colorado, 7:00 p.m., 719.599.3583
  • 24 Dust Bowl Marathons, 5 Days/5 Marathons, Dalhart TX, Guymon OK, Ulysses KS, Lamar Colorado, 6:30 to 7:30 a.m., 575.382.8869
  • 24 Spring Equinox Races, 4M/Half Marathon, Beirgarten Anheuser Busch, Fort Collins, Colorado, 9:00 a.m., 970.556.3279

April 2019

May 2019


  • 4 Hope House Derby Dash, 5k, Lake Arbor Park, Arvada, Colorado, 9:00 a.m., 303.429.1012

  • 4 Lincoln Academy Tech Trek & Digital 5k, Lincoln Academy, Arvada, Colorado, 8:45 a.m., 303.883.7699

  • 4 Blossom Day Run, 5k/5M/Half Marathon, Centennial Park, Canon City, Colorado, 8:00 a.m., 719.315.4114
  • 4 Furry Scurry, 2M, Washington Park, Denver, Colorado, 9:00 a.m., 303.751.5772
  • 4 Greenland Trail Races, 8M/25k/50k, Greenland Open Space, Larkspur, Colorado, 7:00 a.m., 720.985.9047
  • 4 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 5 Colorado Marathon, 5k/10k/Half Marathon/Marathon, Transportation Center, Fort Collins, Colorado, 6:00 a.m., 970.227.7384
  • 5 Fairmont Firebird 5k Chase, Fairmount Park, Golden, Colorado, 9:00 a.m., 303.589.3429
  • 5 RMRR Stapleton Run, 5M, Stapleton Central Park, Denver, Colorado, 8:00 a.m., 303.871.8366
  • 5 Run for Remembrance, 5k, Clement Park, Littleton, Colorado, 8:00 a.m., 303.982.4400
  • 7 Dash n Dine #4, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011
  • 11 Carbon Valley Half Marathon & 5k, Firestone Sports Complex, Firestone, Colorado, 8:00 a.m., 720.331.4678

  • 11 Rabbit Valley Half Marathon, Rabbit Valley Trailhead, Fruita, Colorado, 7:15 a.m., 303.249.1112

  • 11 Edgewater 5k, Citizens Park, Edgewater, Colorado, 720.663.7176
  • 11 Quad Rock Trail Races, 25M/50M, Lory State Park, Fort Collins, Colorado, 5:30 a.m., 970.404.2074
  • 11 Sean May Memorial Run, 5k/9M, Barr Lake State Park, Brighton, Colorado, 9:00 a.m., 303.845.9809
  • 11 Tommyknocker Ultras, 12hrs, White Ranch Open Space, Golden, Colorado, 6:00 a.m., 720.624.9237
  • 11 Womens Distance Festival, 5k, North Monument Valley Park, Colorado Springs, Colorado, 10:00 a.m., 719.635.3833
  • 12 Mothers Day 5k, City Park, Denver, Colorado, 9:30 a.m., 303.403.0978
  • 14 Dash n Dine #5, 5k Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011
  • 18 Bellco Colfax 5k, City Park, Denver, Colorado, 9:00 a.m., 303.694.2202
  • 18 Boneyard Boogie, 11k, Eagle Pool & Ice Rink, Eagle, Colorado, 9:00 a.m., 970.479.2280
  • 18 Run to the Shrine, 4M, Cheyenne Mountain Zoo, Colorado Springs, Colorado, 719.633.9925
  • 19 Colfax Marathon Races, 10M/Half Marathon/Marathon, City Park, Denver, Colorado, 6:00 a.m., 303.694.2202
  • 19 Norad Trail Race, 4M/Half Marathon/Marathon, Cheyenne, Mountain State Park, Colorado Springs, Colorado, 7:00 a.m., 719.429.9501
  • 21 Dash n Dine #6, 5k Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011
  • 25 High Drive Challenge, 4M/10M, Bear Creek Regional Park, Colorado Springs, Colorado, 7:00 a.m., 719.429.9501
  • 27 Vail Valor Races, 5M/Half Marathon/Marathon, Vail Village, Vail, Colorado, 8:00 a.m., 970.445.7076

  • 27 Bolder Boulder, 10k, 30th & Pearl, Boulder, Colorado, 7:00 a.m., 303.444.7223
  • 30 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195

June 2019

  • 1 Golden Gate Dirty 30, 12M/50k, Golden Gate Park, Black Hawk, Colorado, 6:00 a.m., 303.990.9049
  • 1 Nielson Challenge, 2M, North Valley Monument Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 1 North Fork Runs, 50k/50M, Pine Valley Ranch Park, Pine, Colorado, 7:00 a.m., 303.903.3533
  • 1 Run the Rockies Road Races, 10k/Half Marathon, Frisco Adventure Park, Frisco, Colorado, 8:00 a.m., 970.668.9133
  • 1 Turquoise Lake Half Marathon, Matchless Boat Ramp, Leadville, Colorado, 9:00 a.m., 605.641.7580
  • 2 RMRR Bible Park 4k, Bible Park, Denver, Colorado, 8:00 a.m., 303.871.8366
  • 2 Steamboat Races, 10k/Half Marathon/Marathon, 8th & Oak, Steamboat Springs, Colorado, 7:30 a.m., 970.285.3550
  • 6 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 7 Ragnar Trail Relay, 120M, Snowmass, Colorado, 801.499.5024
  • 8 Mt Evans Ascent, Idaho Springs, Colorado, 7:30 a.m., 303.642.7917
  • 8 Jodis Race for Awareness, 5k, City Park, Denver, Colorado, 8:00 a.m., 303.694.2202
  • 8 South Park Trail Runs, 15M/28M, South Park City, Fairplay, Colorado, 8:00 a.m., 720.624.9237
  • 8 Steamworks Half Marathon, Sports Club, Durango, Colorado, 8:00 a.m., 970.903.6774
  • 13 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 15 Bacon Burner, 6k, Marina, Frisco, Colorado, 9:30 a.m., 970.668.9133
  • 15 Leadville Trail Races, Half Marathon/Marathon, 6th Street Gym, Leadville, Colorado, 8:00 a.m., 719.219.9351
  • 16 Denver Fathers Day Run, 5k/10k/10M/Half Marathon, Central Park, Denver, Colorado, 8:00 a.m., 720.365.2935
  • 16 Estes Park Races, 5k/10k/Half Marathon/Marathon, Middle & High Schools, Estes Park, Colorado, 6:00 a.m., 970.214.4128
  • 18 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 20 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 22 Slacker Races, 4M/Half Marathon, Loveland Ski Area, Georgetown, Colorado, 8:00 a.m., 303.679.2312

  • 22 San Juan Solstice Run, 50M, Town Armory, Lake City, Colorado, 5:00 a.m., 970.944.2269
  • 22 Summer Solstice Runs, 5k/10k/Kids, Creekside Park, Beaver Creek, Colorado, 9:30 a.m., 970.479.2280
  • 27 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 29 Erie Firecracker Runs, 4k/4M, Community Center, Erie, Colorado, 8:00 a.m., 814.454.7191

July 2019

  • 2 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 4Georgetown Tom Hayden Memorial Run, 5k, Strausse Park, Georgetown, Colorado, 8:00 a.m., 303.679.2426

  • 4 Denver Liberty Run, 4M, Washington Park, Denver, Colorado, 8:30 a.m., 303.522.4387
  • 4 Leadville Firecracker Run, 5k, Downtown, Leadville, Colorado, 8:30 a.m., 605.641.7580
  • 4 Louisville Let Freedom Run, 5k/10k/Kids, Streets Fitness, Louisville, Colorado, 8:00 a.m., 970.449.2051
  • 6 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 6 Silver Rush 50M Run, Dutch Henry Hill, Leadville, Colorado, 9:00 a.m., 719.219.9351
  • 6 Silverheels Endurance Run, 100M, Cohen Park, Fairplay, Colorado, 4:00 a.m., 720.624.9237
  • 6 Vail Hillclimb, 7.5M, Vail Mountain Haus, Vail, Colorado, 8:00 a.m., 970.479.2280
  • 6 Walk, Run & Wag, 5k, Sloans Lake, Denver, Colorado, 8:00 a.m., 303.287.3277
  • 7 RMRR Stone House Run, 2M/2.4M, Stone House, Lakewood, Colorado, 8:00 a.m., 303.871.8366
  • 7 Last Call 50 Miler, Cohen Park, Fairplay, Colorado, 12:00 a.m., 720.624.9237
  • 11 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 13 Aspen Valley Marathon, 5k/Marathon, Wagner Park, Aspen, Colorado, 7:00 a.m., 970.309.7214
  • 13 Sand Creek Races, 5k/10k/Half Marathon, Stapleton Central Park, Denver, Colorado, 7:00 a.m., 720.365.2935
  • 16 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133
  • 18 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 19 Hardrock 100M Endurance Run, Silverton, Colorado, 970.259.3693
  • 20 Hale Half Marathon, 5k/Half, Camp Hale, Red Cliff, Colorado, 9:00 a.m., 970.479.2279
  • 20 Kickers for Kids Races, 5k/10k/Half Marathon/Marathon/50k/50M, Palmer Lake Regional Recreation Area, Palmer Lake, Colorado, 7:00 a.m., 719.400.5122
  • 21 Donor Dash, 5k, Washington Park, Denver, Colorado, 8:00 a.m., 303.995.1200
  • 25 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 27 Elevation 5k, West Jeff Elementary School, Conifer, Colorado, 8:00 a.m., 303.982.5255

  • 27 Never Summer Trail Race, 100k, Gould Community Center, Walden, Colorado, 5:30 a.m., 970.404.2074
  • 27 Pikes Peak Ultra, 30k/50M, Bear Creek Regional Park, Colorado Springs, Colorado, 5:30 a.m., 719.429.9501
  • 30 Mountain Goats Kids Trail Running Series, 0.5M/1.5M/5k, Frisco Day Lodge, Frisco, Colorado, 5:45 p.m., 970.668.9133

August 2019

  • 1 Boulder Stroke & Stride 5k Run, Boulder Reservoir, Boulder, Colorado, 6:oo p.m., 303.408.1195
  • 2 RMRR DeKoevend Park Run, 5k, DeKoevend Park, Englewood, Colorado, 6:30 p.m., 303.871.8366
  • 3 Berry Picker Trail run, 5k, Lionshead Village, Vail, Colorado, 8:00 a.m., 970.479.2289
  • 3 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 9:00 a.m., 719.534.0534
  • 3 Sheep Mountain Endurance Run, 50k/51M, Town Beach, Fairplay, Colorado, 6:00 a.m., 720.624.9237
  • 4 XTERRA Castle Rock, 3k/5k/10k/20k, Philip S Miller Park, Castle Rock, Colorado, 7:00 a.m., 719.505.8717


  • 10Eldora Trail 5k/10k, Eldora Mountain Resort, Nederland, Colorado, 7:30 a.m., 303.960.8129

  • 10 Run the Rockies Trail Races, 10k/Half Marathon, Frisco Adventure Park, Frisco, Colorado, 8:00 a.m., 970.668.9133
  • 10 Silverton Ultra Marathon, 100k, Silverton, Colorado, 6:00 p.m., 303.990-9049
  • 11 Steamboat Stinger Races, Half Marathon/Marathon, Howelson Base Area, Steamboat Springs, Colorado, 970.879.6141
  • 13 Trans Rockies Run, 113M, Buena Vista to Beaver Creek, Colorado, 8:30 a.m., 403.668.7537
  • 17Faith Chase, 5k, Memorial, Arvada, Colorado, 8:00 a.m., 303.618.4305

  • 17 Leadville Trail 100, 6th & Harrison, Leadville, Colorado, 3:00 a.m., 719.219.9351
  • 18 Race for Research, 5k, Washington Park, Denver, Colorado, 8:00 a.m., 303.694.2202
  • 24 10k at 10000 Feet, 5k/10k, Eagle Bahn Gondola @ Eagles Nest, Vail, Colorado, 9:00 a.m., 970.479.2280
  • 24 Thirsty 13 Half Marathon, Ska Brewing, Durango, Colorado, 7:00 a.m., 970.903.6774
  • 31 Grand Traverse Mountain Run, 40M, Elk Avenue, Crested Butte, Colorado, 6:30 a.m., 970.497.9600

September 2019

  • 2 Fortitude 10k, CSU, Fort Collins, Colorado, 8:00 a.m., 303.444.7223
  • 2 Labor Day Mini Marathon, 5k/10k/Half Marathon, Salisbury Park, Parker, Colorado, 7:00 a.m., 720.985.9047
  • 3 HEARS 5k Experience, Bear Creek Park East, Colorado Springs, Colorado, 8:30 a.m., 719.649.9220
  • 6 American Heroes Run, 9hr 11min/24hr ultra, Rogers Grove Park, Longmont, Colorado, 7:00 a.m., 720.275.2197
  • 7 Mountain RATS Trail Races, Half Marathon/Marathon/50k, Color Coffee Roasters, Eagle, Colorado, 7:30 a.m., 303.249.1112

  • 7 Imogene Pass Run, 17.1M, Main Street, Ouray, Colorado, 970.728.0251
  • 7Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.534.0534
  • 8 RMRR Westminster Park Runs, 5k/10M/20M, City Park, Westminster, Colorado, 8:00 a.m., 303.871.8366
  • 13 Run Rabbit Run, 50M/100M, Ski Area, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 14 Arvada Harvest Races, 5k/10k/Half Marathon, McIlvoy Park, Arvada, Colorado, 8:00 a.m., 720.365.2935
  • 14 Breckenridge Races, 10k/Half Marathon/Marathon, Main Street Vertical Runner, Breckenridge, Colorado, 7:00 a.m., 970.980.3794
  • 14 MeadowGold Runs, 5k/10k, Meadow Mountain, Minturn, Colorado, 10:00 a.m., 970.479.2280
  • 14 US Marine Corps Memorial Runs, 5k/10k, Memorial Park, Arvada, Colorado, 9:00 a.m., 720.365.2935
  • 15 Pony Express Run, 15M, Rampart Range Road & Rainbow Gulch, Woodland Park, Colorado, 8:00 a.m., 719.598.2953
  • 21 Autumn Color Run, 1M/5k/10k/Half Marathon, McPhelemy Park, Buena Vista, Colorado, 9:00 a.m., 719.221.2867
  • 28 Monument Marathon, 5k/Half/Marathon, Five Rocks Amphitheatre, Gering, Nebraska, 8:00 a.m., 308.765.0524

  • 28 Colorado Springs Races, 5k/Half Marathon, Acacia Park, Colorado Springs, Colorado, 7:00 a.m., 801.455.9623

October 2019

November 2019

  • 3 RMRR Prairie Gateway Runs, 5k/9M, Prairie Gateway, Commerce City, Colorado, 9:00 a.m., 303.871.8366

December 2019

  • 1 RMRR Wash Park Run, 4.5M, Washington Park, Denver, Colorado, 9:00 a.m., 303.871.8366
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