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Guide to Races in Colorado

Featured Events

Winter Running Series
Winter 2023-2024


Ralston Creek Half Marathon & 5K


Feb. 18, 2024


Chilly Cheeks Winter Duathlon Series
Feb. 24, 2024

Three Creeks Half Marathon
April 7, 2024


Mt. Evans Ascent
June 23, 2024


Superior Stocking Run
Dec. 14, 2024


Yeti Chase 5K/10K
Jan. 26, 2025


Winter Running Series
Winter 2023-2024


Ralston Creek Half Marathon & 5K


Feb. 18, 2024


Chilly Cheeks Winter Duathlon Series
Feb. 24, 2024

Three Creeks Half Marathon
April 7, 2024


Mt. Evans Ascent
June 23, 2024


Superior Stocking Run
Dec. 14, 2024


Yeti Chase 5K/10K
Jan. 26, 2025



January 2024

  • 1 5th Annual Resolution Run, Pueblo Community College, Pueblo, Colorado, 8:30 a.m., 719.269.8500
  • 1 Colorado Springs Rescue Run, 5k/10k, Palmer Park, Colorado Springs, Colorado, 10:00 a.m., 719.351.0045
  • 1 Resolute Runner 5k, Johnny Roberts Memorial, Arvada, Colorado, 9:00 a.m., 720.722.4226
  • 6 Bangs Canyon World Championships, 30k, Bangs Canyon Trailhead, Grand Junction, Colorado, 8:30 a.m., 970.279.3282
  • 6 Winter Six Pack Series, 1M/5k, Promenade Terrace, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 6 Nielson Challenge, 2M, North Monument Valley Park, Colorado Springs, Colorado, 8:00 a.m., 719.598.2953
  • 7 RMRR Run, 5k/10k, Platte River Trailhead, Denver, Colorado, 9:00 a.m., 303.871.8366
  • 13 PPRR Winter Series #1, 3M/6M, Garden of the Gods/Red Leg Brewing, Colorado Springs, Colorado, 10:00 a.m., 719.577.6339
  • 14 Ft Collins Club Tortoise & Hare 5k, Spring Canyon Park, Fort Collins, Colorado, 8:00 a.m., into@fortcollinsrunningclub.org
  • 14 Arctic Prairie Dog Races, 5k/10k/Half, Streets Fitness, Louisville, Colorado, 8:00 a.m., 720.722.4226
  • 20 Appleton Freezer, 4M, Appleton Elementary School, Grand Junction, Colorado, 10:00 a.m., 970.254.6400
  • 20 Polar Bear Run and Plunge, 5k, Horsetooth Reservoir, Fort Collins, Colorado, 10:00 a.m., 970.556.3279
  • 20 Winter Six Pack Series, 2M/5k, Promenade Terrace, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 21 Polar Bear 5k, Washington Park, Denver, Colorado, 10:00 a.m., 303.694.2202
  • 27 Winter Six Pack Series, 5k, Promenade Terrace, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 27 Rio Frio 5k on Ice, Cole Park, Alamosa, Colorado, 9:00 a.m., 719.589.3682
  • 27 PPRR Winter Series #2, 4M/8M, Cheyenne Mountain State Park, Colorado Springs, Colorado, 10:00 a.m., 719.338.8639
  • 28 Yeti Chase 5k/10k, Bear Creek Lake Park, Morrison, Colorado, 10:00 a.m., 303.642.7917


February 2024

  • 3 Winter Six Pack Series, 5k/4M, Promenade Terrace, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 3 Nielson Challenge, 2M, North Valley Monument Park, Colorado Springs, Colorado, 8:00 a.m., 719.598.2953
  • 4 Super Bowl 5k, Washington Park, Denver, Colorado, 9:00 a.m., 303.694.2202
  • 4 Ft Collins Club Tortoise & Hare, 8k, Edora Park, Fort Collins, Colorado, 8:00 a.m., info@fortcollinsrunningclub.org
  • 4 RMRR Love on the Run, 5k/7M, Reynolds Landing, Littleton, Colorado, 9:00 a.m., 303.871.8366
  • 4 Old Man Winter Rally, 5k/10k, Laverne Johnson Park, Lyons, Colorado, 10:30 a.m., info@AdventureFit.com
  • 10 Sweetheart Classic, 4M, Loveland High School, Loveland, Colorado, 2:30 p.m., 970.219.9844
  • 10 Love Em or Leave Em, 5k/10k, Salisbury Park, Parker, Colorado, 10:00 a.m., 303.805.4500
  • 10 Heart Throb 5k, Memorial Park, Arvada, Colorado, 10:00 a.m., 720.722.4226
  • 11 Valentines Day 4M, Washington Park, Denver, Colorado, 9:00 a.m., 303.694.2202
  • 11 Super Half Marathon & 5k, 5k/Half, Plaza of the Rockies, Colorado Springs, Colorado, 10:00 a.m., 719.229.2104
  • 11 Super Sunday Fun Run, 5k, Platte River Bar & Grill, Littleton, Colorado, 10:00 a.m., 303.483.7036
  • 17 Stories Ultra, 10k/Half/30Hr/15Hr/6Hr,, Cheyenne Mountain State Park, Colorado Springs, Colorado, 6:00 a.m., 720.624.9237
  • 17 PPRR Winter Series #3, 5M/10M, Fountain Creek Regional Park, Colorado Springs, Colorado, 10:00 a.m., 719.577.6339
  • 18 Ralston Creek Half Marathon & k5, Fig Street, Arvada, Colorado, 9:00 a.m., 303.642.7917

  • 24 Winter Six Pack Series, 5k/10k, Promenade Terrace, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 24 PPRR Winter Series #4, 10k/20k, US Olympic & Paralympic Museum, Colorado Springs, Colorado, 10:00 a.m., 719.577.6339
  • 25 Highlands Ranch Runs, 5k/10k, Heritage Regional Park, Highlands Ranch, Colorado, 9:30 a.m., 720.722.4226

March 2024

  • 2 Lucky Dog Dash, 5k, Carpenter Park Fields, Thornton, Colorado, 9:00 a.m., 720.722.4226
  • 3 Pueblo Spring Runoff, 5k/10k/10M, Dutch Clark Stadium, Pueblo, Colorado, 9:00 a.m., 719.564.9303

  • 3 That Dam Run, 5k/10k/Half, Cherry Creek Dam, Denver, Colorado, 8:00 a.m., 303.694.2202
  • 3 Ft Collins Tortoise & Hare, 10k, Lee Martinez Park, Fort Collins, Colorado, 9:00 a.m., info@fortcollinsrunningclub.org
  • 3 RMRR Johnson Reservoir Run, 5k, Johnson Reservoir, Littleton, Colorado, 9:00 a.m., 303.871.8366
  • 9 Lucky Lyons 1M/5k/10k , Bohn Park, Lyons, Colorado, 10:00 a.m., 303.249.1112

  • 9 Run Through Time, 2M/Half/Marathon, Riverside Park, Salida, 8:00 a.m., 719.539.2739
  • 10 Denver RunninÕ of the Green, 7k, Washington Park, Denver, Colorado, 8:00 a.m., 303.322.9342
  • 16 Aspen AmericaÕs Uphill, 2.5M, Base of Aspen Mountain, Aspen, Colorado, 7:00 a.m., 970.920.2094
  • 16 Colorado Springs Shamrock Stampede, 5k/10k, Festival Park, Castle Rock, Colorado Springs, Colorado, 10:00 a.m., 303.688.1114
  • 16 Colorado Springs 5k on St Patricks Day, Downtown, Colorado Springs, Colorado, 10:00 a.m., 719.635.8803
  • 16 Fort Collins Sharin O the Green, 5k, Library Park, Fort Collins, Colorado, 8:30 a.m., 970.484.7123
  • 16 HRCA St Patricks Day 5k, Town Center South, Highlands Ranch, Colorado, 9:00 a.m., 303.471.7048
  • 16 Steamboat Springs Luck of the Irish 7k, Middle School, Steamboat Springs, Colorado, 9:00 a.m., 720.255.5244
  • 16 Vail Shamrock Shuffle Snowshoe Race, 5k/10k, Vail Nordic Center, Vail, Colorado, 4:00 p.m., 970.479.2280
  • 16 Westminster Erin Go Bragh, 7.77k, The Westin, Westminster, Colorado, 9:00 a.m., 720.722.4226
  • 16 Windsor Lucky Brew Race, 5k/10k, Kyger Open Space, Windsor, Colorado, 9:30 a.m., 970.213.7258
  • 17 Boulder Lucky Leprechaun, 4k, Avery Brewing Company, Boulder, Colorado, 8:00 a.m., 720.532.5549
  • 24 Central Park 5k, Central Park, Denver, Colorado, 9:00 a.m., 720.722.4226
  • 24 Spring Equinox Races, 4M/Half Marathon, Beirgarten Anheuser Busch Brewery, Fort Collins, Colorado, 8:00 a.m., 970.556.3279
  • 24 Run the Ranch, 5k/10k, The Ranch, Loveland, Colorado, 4:30 p.m., 970.215.9642
  • 30 Most Eggcelent 5k/10k, McPhelemy Park, Buena Vista, Colorado, 11:00 a.m., 719.221.2867
  • 30 Ft Collins Club Tortoise & Hare, 12k, Cottonwood Park, Fort Collins, Colorado, 8:00 a.m., Info@FortCollinsRunningClub.org

April 2024


  • 7 Three Creeks Half Marathon, Cherry Creek State Park, Denver, Colorado, 7:15 a.m., 303.642.7917

  • 7 Donut Dash, 5k/10k, Washington Park, Denver, Colorado, 8:45 a.m., 720.985.9047
  • 7 RMRR City Park 4 Miler, City Park, Denver, Colorado, 9:00 a.m., 303.871.8366
  • 13 Rattler Trail Races, 10k/25k/50k, Palmer Park, Colorado Springs, Colorado, 6:45 a.m., 719.429.9501
  • 14 Elevate Kids Run, 2.5k/5k/10k, Las Colonias Park, Grand Junction, Colorado, 8:30 a.m., Info@ElevateKids.org
  • 14 Platte River Half Marathon/Relay, Buckhorn Exchange Restaurant, Littleton, Colorado, 8:00 a.m., 303.220.1037
  • 20 Loveland Classic Earth Day 5k/10k, Davidson Gebhardt, Loveland, Colorado, 8:00 a.m., 970.613.5074
  • 20 Royal Gorge Groove Trail Run, 20k/40k/60k, East Ridge Campground, Canon City, Colorado, 6:00 a.m., 602.346.0554
  • 20 Great Western Trail Race, 5k/10k/Half, Severance Community Park, Windsor, Colorado, 8:00 a.m., 970.213.7258
  • 21 Unicorn Run, 5k, Great Lawn Park, Denver, Colorado, 9:00 a.m., 720.722.4226
  • 21 Rockin on the River 5k, Hudson Gardens Event Center, Littleton, Colorado, 9:00 a.m., 303.730.4610
  • 27 NOCO Half Marathon & 10k, Boyd Lake State Park, Loveland, Colorado, 7:15 a.m.

  • 27 Runs with Scissors Races, Half Marathon, Marathon, 50K Ultra, Riverdale Regional Park, Brighton, Colorado, 7:00 a.m.

  • 27 Rock Hawk Trail Races, 5k/10k/Half, Miller Activity Complex, Castle Rock, Colorado, 7:00 a.m., 303.320.3343
  • 27 Fight for Air Climb, Coors Field, Denver, Colorado, 8:00 a.m., 303.388-8708
  • 27 Rock Hawk Trail Races, 5k/10k/Half, Miller Activity Complex, Castle Rock, Colorado, 7:00 a.m., 303.320.3343
  • 30 Dash & Dine Series, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011


May 2024


  • 4 Hope House 5k & Fun Run, Apex Center, Arvada, Colorado, 9:00 a.m., Info@HopeHouseColorado.org

  • 4 Duck Waddle 5k, Bond Park, Estes Park, Colorado, 9:00 a.m., 970.214.4128
  • 4 Greenland Trail Races, 4M/8M/25k/50k, Greenland Open Space Park, Larkspur, Colorado, 7:00 a.m., 720.985.9047
  • 4 Federal Cup 5k, Bicentennial Park, Lakewood, Colorado, 8:50 a.m., 720.722.4226
  • 4 Hayden Cog Run, 5k/8.4M, Hayden Town Park, Steamboat Springs, Colorado, 10:00 a.m., 970.879.0880
  • 4 Take 5 in the Garden of the Gods, 5k/5M, Garden of the Gods Park, Manitou Springs, Colorado, 8:00 a.m., 719.429.9501
  • 4 NiwotÕs Challenge, 25M, South Platte River, Sedalia, Colorado, 720.624.9237
  • 5 Emerge 5k, Boulder Reservoir, Boulder, Colorado, 8:00 a.m., 720.212.7527
  • 5 RMRR Central Park Run, 5k/5M, Stapleton Central Park, Aurora, Colorado, 8:00 a.m., 303.871.8366
  • 7 Dash & Dine Series, 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.

  • 11 Quad Rock Trail Races, 25M/50M, Lory State Park, Fort Collins, Colorado, 5:30 a.m., 303.946.9320
  • 11 Highline Canal Run, 5k/10k, deKoevend Park, Centennial, Colorado, 7:45 a.m., 303.483.7036
  • 11 HRCA Mothers Day 5k, Mountain Vista High School, Highlands Ranch, Colorado, 9:00 a.m., 303.471.7048
  • 12 Adventure Fest Half Marathon , Road 18 Trails, Fruita, Colorado, 7:15 a.m., 303.249.1112

  • 12 Colorado WomenÕs Classic, 5k/10k/10M, Promenade Terrace, Westminster, Colorado, 8:30 a.m., 720.722.4226
  • 14 Dash & Dine Series, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011

  • 18 Colfax Marathon, 10M/Half/Marathon, City Park, Denver, Colorado, 6:00 a.m., 303.694.2202
  • 18 Spirit Challenge, 5k/10k, Middle School, Steamboat Springs, Colorado, 9:00 a.m., 970.879.0880
  • 18 Ram Party, 50k/54M, Rampart Reservoir, Colorado Springs, Colorado, 6:00 a.m., 602.346.0554
  • 18 Endure 12 & 24Hr, Mueller State Park, Divide, Colorado, 8:00 a.m., 720.624.9237
  • 21 Dash & Dine Series, 5k, Boulder Reservoir, Boulder, Colorado, 6:00 p.m., 303.870.3011

  • 25 Weld Your Mettle Ultra, 7k/3,6,9,12,24Hr, Private Land, Eaton, Colorado, 6:00 a.m., 970.213.7258
  • 27 Bolder Boulder, 10k, 30th & Pearl, Boulder, Colorado, 7:00 a.m., 303.444.7223
  • 30 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195

June 2024

  • 1 Mountain Ridge Half Marathon, 10k/Half, Mountain Ridge Middle School, Highlands Ranch, Colorado, 7:00 a.m., 720.835.9141
  • 1 The Great Divide Ultra, 25k/50k/100k/100M, Mueller State Park, Colorado Springs, Colorado, 6:00 a.m., 719.590.1466
  • 1 Turquoise Lake Half Marathon, Matchless Boat Ramp, Leadville, Colorado, 9:00 a.m., 605.641.7580
  • 1 North Fork Runs, 50k/50M, Buffalo Creek, Pine, Colorado, 7:00 a.m., 303.320.3343
  • 2 Flamingo Day 5k, Sloans Lake, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 2 RMRR Bible Park 4k, Bible Park, Denver, Colorado, 8:00 a.m., 303.871.8366
  • 2 Colorado 13er, 5k/10k/Half, Home Depot, Louisville, Colorado, 6:45am, 720.722.4226
  • 2 Steamboat Marathon, 10k/Half/Marathon, 8th & Oak, Steamboat Springs, Colorado, 7:30 a.m., 970.285.3550
  • 2 Fish Hatchery 5k, Cross Country Trail Run, Leadville, Colorado, 8:30 a.m., 605.641.7580
  • 5 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 13 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 14 HRCA Happy Hour Half k, 0.5k, Shea Stadium, Highlands Ranch, Colorado, 6:00 p.m., 303.471.7048
  • 15 Cattle Crossing Run, 5k, Tallman Meadow Park, Parker, Colorado, 8:00 a.m., 303.805.6304
  • 15 Howelsen 8 Miler, 4M/8M, Olympian Hall, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 15 Cuchara Races, 5M/11M/16M/50k, Cuchara Mountain Park, Cuchara, Colorado, 5:00 a.m., 720.624.9237
  • 16 Arvada Fathers Day Classic, 5k/10k, Apex Center, Arvada, Colorado, 8:00 a.m., 720.722.4226
  • 16 Estes Park Races, Kids/5M, Half/Marathon, Middle & High Schools, Estes Park, Colorado, 6:00 a.m., 970.214.4128
  • 16 Desert RATs Kokopelli Stage Race, 148M, Grand Junction, Colorado to Moab, Utah, 303.249.1112
  • 20 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 22 Slacker Races, 4M/Half Marathon, Loveland Ski Area, Georgetown, Colorado, 8:00 a.m., 303.679.2312

  • 22 Unicorn Run (North), 5k, Carpenter Park Fields, Thornton, Colorado, 8:15 a.m., 720.722.4226
  • 22 Ring the Springs, 25k/50k/100k/100M, America the Beautiful Park, Colorado Springs, Colorado, 6:00 a.m., 602.346.0554
  • 22 Jeremy Bitner Fallen Officer Run, 5k/10k, Cornerstone Park, Englewood, Colorado, 8:00 a.m., 720.281.5938
  • 22 Red, White and Brew Race, 5k/10k, Raindance National Golf Course, Windsor, Colorado, 7:00 a.m., 970.213.7258
  • 23 The Mt Blue Sky Ascent (formerly the Mt Evans Ascent), 14.5 Miles, Echo Lake Campground, Idaho Springs, Colorado, 6:30 a.m., 303.642.7917

  • 23 The Mt Blue Sky Round Trip (formerly the Mt Evans Round Trip), 29 Miles, Echo Lake Campground, Idaho Springs, Colorado, 5:30 a.m., 303.642.7917

  • 27 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 29 Timberview Trail Runs, 5k/5M/10M, Lory State Park, Bellevue, Colorado, 6:35 a.m.

  • 29 Leadville Trail Marathon & Heavy Half Marathon, 6th Street Gym, Leadville, Colorado, 8:00 a.m., 719.219.9351

July 2024


  • 4 Parker 4th of July 5k,Arts Culture & Events Center, Parker, Colorado, 8:15 a.m., 720.722.2150

  • 4 Boulder 4 on the Fourth, Avery Brewing, Boulder, Colorado, 9:00 a.m., 303.440.4324
  • 4 Castle Rock-It Run, 5k/Half, Douglas County Fairgrounds, Castle Rock, Colorado, 8:00 a.m., 303.229.1798
  • 4 Evergreen Freedom Run, 5k, Middle School, Evergreen, Colorado, 8:00 a.m., 720.333.8063
  • 4 Fort Collins FireKracker 5k, City Park, Fort Collins, Colorado, 7:30 a.m., 970.556.3279
  • 4 HRCA Independence Day 5k, Dorchester Street/Town Center South, Highlands Ranch, Colorado, 8:00 a.m., 303.471.7048
  • 4 Leadville Firecracker 5k, Downtown, Leadville, Colorado, 8:30 a.m., 605.641.7580
  • 4 Longmont Independence Day Races, Sandstone Ranch Park, Longmont, Colorado, 6:00 a.m., 720.722.4226
  • 4 Louisville Let Freedom Run, 5k/10k/Kids, Streets Fitness, Louisville, Colorado, 8:00 a.m., 720.722.4226
  • 4 Loveland Libery 5k, Fairgrounds Park, Loveland, Colorado, 8:00 a.m., 970.215.9642
  • 6 Hahns Peak Hill Climb, 7.3M, The Cabins at History Columbine General Store, Steamboat Springs, Colorado, 9:30 a.m., 303.915.0396
  • 6 Silver Rush 50M Run, Dutch Henry Hill, Leadville, Colorado, 9:00 a.m., 719.219.9351
  • 6 Silverton Alpine Races, 8M/Mar/50k, Alpine Loop, Silverton, Colorado, 7:00 a.m., 602.346.0554
  • 7 RMRR Stone House Run, 2M, Stone House, Lakewood, Colorado, 8:00 a.m., 303.871.8366
  • 7 Kendall Mountain Sky Race, 11k/12M, 12th & Green to Memorial Park, Silverton, Colorado, 9:00 a.m., 602.828.6629
  • 11 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 12 Hardrock Hundred Miler Endurance Run, Silverton, Colorado, 970.259.3693
  • 13 I Can 5k/DŽjˆ Vu Run, 5k/10k, Riverdale Regional Park, Brighton, Colorado, 7:00 a.m., 720.722.4226
  • 13 Cookie Chase, 5k/10k, Washington Park, Denver, Colorado, 9:00 a.m., 720.985.9047
  • 13 Silverheels Endurance Run, 10M/18M/60k/10M/100k/100M, Roundhouse, Como, Colorado, 4:00 a.m., 720.624.9237
  • 14 Barr Lake Races, 15k/30k, Barr Lake State Park, Brighton, Colorado, 7:30 a.m., 858.259.1501
  • 18 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 19 Chase the Moon 12Hr Endurance Run, Mountain Vista High School, Highlands Ranch, Colorado, 7:00 p.m., 303.320.3343
  • 20 Summer Splash Prairie Dog Races, 5k/10k/Half, Castle View High School, Castle Rock, Colorado, 6:30 a.m., 720.722.4226
  • 20 Spring Creek Memorial, 5k/9M, Spring Creek Trail, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 25 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 26 Never Summer Trail Race, 100k, Gould Community Center, Walden, Colorado, 5:30 a.m., 303.946.9320
  • 26 Creede Mountain Run, 100M, Main Street, Creede, Colorado, 8:00 a.m., 719.850.8715
  • 27 Enchanted Forest Trail Races, Half Marathon/Marathon, Brandenburg Park, Red River, New Mexico, 6:30 a.m., 303.249.1112

  • 27 Pirates Run for Booty, 5k, Carpenter Park South, Thornton, Colorado, 7:45 a.m., 720.722.4226
  • 27 Pikes Peak Ultra, 30k/50k/50M, Bear Creek Regional Park, Colorado Springs, Colorado, 5:30 a.m., 719.429.9501

August 2024

  • 1 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 2 RMRR DeKoevend Park Run, 5k, DeKoevend Park, Englewood, Colorado, 6:30 p.m., 303.871.8366
  • 2 Wild West Relay, 200M, Budweiser Tour Center, Fort Collins, Colorado, 5:00 a.m., 970.213.7258
  • 3 Emerald Mountain Epic, Half/Marathon, Howelsen Base Area, Steamboat Springs, Colorado, info@emeraldmtnepic.org
  • 3 Pearl Street Mile, 1M, Court House, Boulder, Colorado, 5:00 p.m., 720.532.5549
  • 3 Sheep Mountain Endurance Run, 50k/50M, Town Beach, Fairplay, Colorado, 6:00 a.m., 720.624.9237
  • 3 Kennebec Challenge Mountain Run, 8.5M/15M, La Plata Canyon/Campground, La Plata, Colorado, 8:00 a.m., 970.247.0312
  • 4 Evergreen Town Race 5k/10k, Evergreen Lake, Evergreen, Colorado, 8:00 a.m.

  • 6 Lory Summer Trail Series #1, Valley 5k, Lory State Park, Bellevue, Colorado, 6:00 p.m., 303.946.9320
  • 8 Boulder Stroke & Stride, 5k, Boulder Reservoir, Boulder, Colorado, 6:05 p.m., 303.408.1195
  • 9 Mountain Avenue Mile, 1M, Howes St & Washington, Fort Collins, Colorado, 6:30 p.m. 970.221.1099
  • 10 Sunrise Stampede, 2M/10k, 11th Avenue, Longmont, Colorado, 8:30 a.m., 720-652-8208

  • 10 Human Race, 5k/10k/Half, Museum of Discovery, Fort Collins, Colorado, 6:30 a.m., 970.556.3279
  • 10 Holy COW Trail Stampede, 5k/10k, Promenade Terrace, Westminster, Colorado, 7:30 a.m., 720.722.4226
  • 10 Georgetown to Idaho Springs Half Marathon, Georgetown Lake, Georgetown, Colorado, 8:00 a.m., 303.378.2404
  • 11 Leadville Trail 10k, 6th & Harrison, Leadville, Colorado, 9:00 a.m., 719.219.9352
  • 11 Pancake Stampede, 5k, Hudson Gardens, Littleton, Colorado, 8:00 a.m., 303.798.7515
  • 12 Trans Rockies Run, 113M, Buena Vista to Beaver Creek, Colorado, 8:30 a.m., 403.668.7537
  • 13 Lory Summer Trail Series #2, Hilly 10k, Lory State Park, Bellevue, Colorado, 6:00 p.m., 303.946.9320
  • 17 Valley 5000 Run, Mehaffey Park, Loveland, Colorado, 7:00 p.m., 970.215.9642
  • 17 Peach Festival Run, 5k, Civic Center Park, Fort Collins, Colorado, 8:00 a.m., 970.460.6848
  • 17 Pajama Jog, 5k, City Park Pavilion, Denver, Colorado, 8:30 a.m., 720.295.9276
  • 17 Leadville Trail 100, 100M, 6th & Harrison, Leadville, Colorado, 3:00 a.m., 719.219.9351
  • 17 Mt Sneffels Marathon & Half Marathon, Ouray Hot Springs Park, Ouray, Colorado, 6:30 a.m., 970.325.0228
  • 18 Hometown Series, 5k/Half, Reliance Park, Erie, Colorado, 7:30 a.m., 720.722.4226
  • 18 Erie Half Marathon, 5k/Half, Reliance Park, Erie, Colorado, 8:30 a.m., 720.722.4226
  • 20 Lory Summer Trail Series #3, Hilly 5k, Lory State Park, Bellevue, Colorado, 6:00p.m., 303.946.9320
  • 24 Staunton Rocks!, Half/Marathon, Stauton State Park, Pine, Colorado, 7:00 a.m., 303.946.9320
  • 24 Westminster Trail Races, 5k/10k/Half Marathon, Wayne Carle Middle School, Westminster, Colorado, 7:00 a.m., 858.775.7104
  • 24 Continental Divide Trail Run, 5M/16M/50k, Knoll Parking Lot, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 24 Telluride Mountain Run, 14M/22M/38M, Base of Gondola, Telluride, Colorado, 301.491.4412
  • 24 Severence Days 5k, Severance Community Park, Windsor, Colorado, 8:00 a.m., 970.213.7258
  • 25 Bluffs Run, 5k, Lone Tree Recreation Center, Lone Tree, Colorado, 8:00 a.m., 303.483.7034
  • 27 Lory Summer Trail Series #4, Valley 12k, Lory State Park, Bellevue, Colorado, 6:00 p.m., 303.946.9320
  • 31 Grand Traverse Mountain Run, 40M, Elk Avenue, Crested Butte, Colorado, 6:30 a.m., 970.497.9600

September 2024

  • 1 10k at 10,000 Feet, 5k/10k, Eagle Bahn Gondola at Eagles Nest, Vail, Colorado, 9:00 a.m., 970.479.2280
  • 2 Oak Creek No Fun run, 5k, Town Hall, Oak Creek, Colorado, 10:00 a.m., 970.260.6257
  • 6 Flaming Foliage Relay, 165M, Citizens Park, Idaho Springs, Colorado, 5:00 a.m., 970.213.7258
  • 7 Black Squirrel Half Marathon, Lory State Park, Fort Collins, Colorado, 7:00 a.m., 303.946.9320
  • 7 Cirque Trail Series, 6.8M/2340 vertical, Arapahoe Basin Mountain Goat Plaza, Keystone, Colorado, 10:00 a.m., 800.516.0041
  • 8 RMRR Platte River Run, 5k/10k, Riverwalk Ballfields, Thornton, Colorado, 8:00 a.m., 303.871.8366
  • 13 Run Rabbit Run, 100M, Ski Area, Steamboat Springs, Colorado, 8:00 a.m., 970.879.0880
  • 14 HRCA Oktoberfest 5k/100Y Dash, Town Center, Highlands Ranch, Colorado, 8:30 a.m., 303.471.7048
  • 15 Farmers 5000, 5k, Wheat Ridge High School, Wheat Ridge, Colorado, 9:00 a.m., 303.880.1732

  • 20 Red Feather Jamboree, Half/50k, Ben Delatour Scout Ranch, Red Feather, Colorado, 6:00 p.m., 303.946.9320
  • 21 So Long to Summer, 5k/10k, Salisbury Park, Parker, Colorado, 8:00 a.m., 303.841.0353
  • 21 Pikes Peak Ascent, Half Marathon, Middle/High Schools, Manitou Springs, Colorado, 7:00 a.m., 719.473.2625
  • 21 Run for Hope, 5k, The Ascent Church, Monument, Colorado, 8:05 a.m., 719.930.6140
  • 21 Snow Mountain Ranch Races, 5k/10k/Half Marathon, YMCA of the Rockies Nordic Center, Granby, Colorado, 8:00 a.m., 858.775.7104
  • 21 Autumn Color Run, 1M/5k/10k/Half Marathon, McPhelemy Park, Buena Vista, Colorado, 9:00 a.m., 719.221.2867
  • 22 Equinox Half Marathon & 5M, Poudre Canyon, Fort Collins, Colorado, 8:00 a.m., 970.556.3279
  • 22 Pikes Peak Marathon, Middle/High Schools, Manitou Springs, Colorado, 7:00 a.m., 718.473.2625
  • 25 Sangre de Cristo Ultra, 200M, Greenhorn Music Meadows Ranch, Westcliffe, Colorado, 4:00 a.m., 720.624.9237
  • 27 Sangre de Cristo Ultra, 8M/27k/50M/100k/100M, Greenhorn Music Meadows Ranch, Westcliffe, Colorado, 4:00 a.m., 720.624.9237
  • 28 Monument Marathon 5k/Half Marathon/Marathon, Five Rocks Amphitheatre, Gering, Nebraska, 8:00 a.m., 308.765.0524

  • 28 Mines Homecoming Run 5k, Mines Admin Building, Golden, Colorado, 8:00 a.m.

  • 28 Pioneer Prairie Dog Races, 5k/10k/Half, Promenade Terrace, Westminster, Colorado, 8:00 a.m., 720.722.4226
  • 28 Emerald Mountain Trail run, 12k, Howelsen Hill, Steamboat Springs, Colorado, 9:00 a.m., 970.879.0880
  • 28 Louisville Races, 5k/10k/Marathon, Community Park, Louisville, Colorado, 7:00 a.m., 858.775.7104
  • 28 West Line Winder Trail Run, 50k, East Main & North Court Streets, Buena Vista, Colorado, 8:00 a.m., 720.591.6634
  • 28 Colorado Springs Marathon, 5k/Half/Marathon, Acacia Park, Colorado Springs, Colorado, 7:00 a.m., 801.455.9623
  • 28 HRCA Wildcat Mountain Trail run, 10k/10M, Rocky Heights Middle School, Highlands Ranch, Colorado, 7:00 a.m., 303.471.7048
  • 2824Hrs of Palmer Lake, Santa Fe Regional Trail, Monument, Colorado, 8:00 a.m., 859.327.2423
  • 28Deep Creek Half Marathon, Regional Airport, Telluride, Colorado, 12:00 p.m., 970.708.7736
  • 28Bear Chase Races, 10k/50k/50M/100k, Bear Creek Lake Park, Lakewood, Colorado, 6:30 a.m., 303.320.3343
  • 28Crested Butte Ultra, 55k/105k, Crested Butte Mountain Resort, Crested Butte, Colorado, 4:00 a.m., 719.429.9501

October 2024


  • 5 Rim to Rim Royal Gorge Races, 5k/8M/Half, Royal Gorge, Canon City, Colorado, 8:30 a.m., 719.661.7600

  • 5 Hanging Flume 50k, Uravan Ballpark, Naturita, Colorado, 8:00 a.m., 970.708.7736
  • 5 Above the Clouds Ultra, 10k/50k, Woodland Middle School, Woodland Park, Colorado, 7:00 a.m., 719.590.1466
  • 5 Applefest 5k, Town Park, Cedaredge, Colorado, 7:30 a.m., 970.856.6961
  • 6 RMRR Star K Ranch Run, 5k/12k, Star K Ranch, Aurora, Colorado, 8:30 a.m., 303.871.8366
  • 6 Windsor Marathon, 5k/10k/Half/Marathon, The Island at Pelican Lakes, Windsor, Colorado, 7:00 a.m., 970.213.7258
  • 12 Wiggins Cross Country & Citizens 5k, Wiggins High School, Wiggins, Colorado, 8:00 a.m., 970.596.2607

  • 12 Long View Races, Half/Marathon, City Park & Fossil Creek, Fort Collins, Colorado, 8:00 a.m., 970.215.9642
  • 12 Cheyenne Mountain Run, 5k/10k/25k, Cheyenne Mountain State Park, Colorado Springs, Colorado, 9:00 a.m., 719.322.0574
  • 12Sage Burner Trail Race, 15k/28k/50k, Hartman Rock, Gunnison, Colorado, 7:00 a.m., 719.429.9501
  • 12Indian Creek Fifties, 5M/15M/55k/50M, Indian Creek Trailhead, Sedalia, Colorado, 6:00 a.m., 720.624.9237
  • 13 Hometown Series, 5k/Half, Promenade Terrace, Westminster, Colorado, 7:30 a.m., 720.722.4226
  • 19 Blue Sky Trail Marathon, Blue Sky Trailhead/Horsetooth Mountain Park, Fort Collins, Colorado, 7:00 a.m., 303.946.9320
  • 19 Great Trailhead Foot Race, 5k/10M, Bear Creek Lake Park, Morrison, Colorado, 8:00 a.m., 720.722.4226
  • 19 Bobcat Trail Races, 5k/10k/25k/50k, Palmer Park, Colorado Springs, Colorado, 7:00 a.m., 719.429.9501
  • 26 Eerie Erie, 5k/10k, Middle School, Erie, Colorado, 9:30 a.m., 303.926.7293
  • 26 Foundry Halloween Run, 5k, Soda Creek Elementary, Steamboat Springs, Colorado, 9:00 a.m., 970.819.0637
  • 26Halloweiner 5k, Black Burro Bikes, Buena Vista, Colorado, 10:30 a.m., 719.221.2867
  • 27 Narrowleaf Lake Run, 4M/7M/10M, Boyd Lake State Park, Loveland, Colorado, 9:00 a.m., 970.363.6499

  • 27Beware of the Bear Trail Run, 5k/15k, Bear Creek Lake Park, Morrison, Colorado, 10:00 a.m., 303.870.0487

November 2024

  • Moab Trail Races, Adventure 5k/Half Marathon/Marathon, Kane Creek Trailhead, Moab, Utah, 9:00 a.m., 970.389.4838

  • 2HRCA Backcountry Wilderness Half Marathon, Paint Brush Park, Highlands Ranch, Colorado, 8:30 a.m., 303.471.7048
  • 2Bridge Burner Ultra, Half Marathon/30k/50k, Centennial Park, Canon City, Colorado, 7:30 a.m., 719.590.1466
  • 3 RMRR Prairie Gateway 5k/9M, Prairie Gateway Park, Commerce City, Colorado, 9:00 a.m., 303.871.8366
  • 9Bingo! Trail Runs, 10k/8M/10M/50k/50M, May Farms, Byers, Colorado, 6:00 a.m., 303.521.5856
  • 9Denver Veterans Run, 5k/10k, City Park, Denver, Colorado, 8:00 a.m., 720.425.2978
  • 9Kessel Ultra Run, 10M/20M/60k/50M, North Fruita Desert, Fruita, Colorado, 6:00 a.m., 719.429.9501
  • 15Denver Pumpkin Pie Run, 5k/10k, City Park, Denver, Colorado, 4:00 p.m., 720.985.9047
  • 23 Brighton Turkey Trot, 5k, Recreation Center, Brighton, Colorado, 8:30 a.m., 303.655.2000

  • 23 Arvada Turkey Trek, 2k/5k/10k, Long Lakes Sports Complex, Arvada, Colorado, 8:30 a.m., 720.722.4226
  • 28 Parker Turkey Day 5k, Cherry Creek Trail, Parker, Colorado, 8:00 a.m., 303.805.3278
  • 28Broomfield Turkey Day 5k/10k, Broomfield Commons Open Space, Broomfield, Colorado, 9:00 a.m., 720.7226
  • 28Buena Vista Turkey Trot, 5k, Black Burro Bikes, Buena Vista, Colorado, 10:00 a.m., 719.221.2867
  • 28Castle Rock Turkey Rock Trot, 5k, Douglas County Events Center, Castle Rock, Colorado, 7:30 a.m., 303.688.1114
  • 28Loveland Huffin for Stuffin, 5k, Mehaffey Park, Loveland, Colorado, 8:00 a.m., 970.215.9642
  • 28Windsor Turkey Trot, 5k, Pelican Lakes, Windsor, Colorado, 9:00 a.m., 970.213.7258
  • 30Colorado Cold Rush, Half Marathon/50k, Bear Creek Regional Park, Colorado Springs, Colorado, 719.590.1466

December 2024

  • 7Ugly Sweater Run, 1M, South Main Square, Buena Vista, Colorado, 4:00 p.m., 719.221.2867
  • 7Sawmill Trail Runs, 8M/16M/50k, Ranch Hand Picnic Area/Staunton State Park, Pine, Colorado, 7:00 a.m., 720.624.9237
  • 7Toy Drop Race, 5k/10k, Berthoud, Colorado, 8:45 a.m., 970.215.9642
  • 8 RMRR Wash Park 4.5Miler, Washington Park, Denver, Colorado, 9:00 a.m., 303.871.8366
  • 14 Superior Stocking Run 5k, Purple Park, Superior, Colorado, 9:00 a.m., 303.642.7917

  • 14 Sweaty Sweater Run, 5k, Horsetooth Reservoir, Fort Collins, Colorado, 10:00 a.m., 970.556.3279
  • 14Santa Catch Run, 5k/10k, Power to Play, Windsor, Colorado, 9:00 a.m., 970.213.7258
  • 21 Santa's Dash for Cash, 1M/5k, NE Sloan's Lake Park, Denver, Colorado, 9:55 a.m., 720.722.4226

January 2025


  • 26 Yeti Chase 5k/10k, Bear Creek Lake Park, Morrison, Colorado, 10:00 a.m., 303.642.7917


February 2025

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