10K Races in Colorado
115 upcoming 10k races across Colorado, updated nightly. Want radius search and maps? Open these in the Race Finder.
July 2026
- Thu 7/23Durango Brewer's Trail SeriesDurango, CO 路 Other 路 10K 路 5K
- Sat 7/25Christmas 5K/10K/Half Marathon in July Meet Up - DenverLittleton, CO 路 5K 路 10K 路 Half Marathon
- Sat 7/25Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 7/25Run for Donuts 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
August 2026
- Sat 8/1Winter Park 50KWinter Park, CO 路 50K 路 Half Marathon 路 10K
- Sat 8/1Popsicle 5K/10K/Half - Colorado SpringsColorado Springs, CO 路 5K 路 10K 路 Half Marathon
- Fri 8/7Choice City Running FestivalFort Collins, CO 路 1 Mile 路 Half Marathon 路 10K 路 5K
- Sat 8/8All-Out RunapaloozaArvada, CO 路 Half Marathon 路 10K 路 5K
- Sat 8/8Summer Sizzler- DenverThornton, CO 路 Other 路 1 Mile 路 5K 路 10K
- Sat 8/8Eat. Run. Adopt. 10KBerthoud, CO 路 10K
- Sun 8/9Summer Sizzler- Colorado SpringsColorado Springs, CO 路 Other 路 1 Mile 路 5K 路 10K
- Tue 8/11Into the Hills Eltuck 10kBellvue, CO 路 10K
- Sat 8/15Bagel Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 8/15Run for PB& J 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 8/152026 Mt. Sneffels Half Marathon-10K-Kids-Fun RunRidgway, CO 路 Half Marathon 路 10K 路 1 Mile
- Sat 8/15The Cheyenne Mountain RunColorado Springs, CO 路 5K 路 10K 路 Other
- Sat 8/15Farish Mt Bike RaceWoodland Park, CO 路 10K 路 Other
- Sat 8/222026 True Impact Ministries 5K/10KCentennial, CO 路 5K 路 10K
- Sun 8/23Pioneer Prairie Dog Half, 10k & 5kWestminster, CO 路 Half Marathon 路 10K 路 5K
- Sun 8/2311th Annual Log Hill HustleRidgway, CO 路 5K 路 10K
- Sat 8/29Run for Breast Cancer 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 8/29Sloth Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 8/29Rock HawkCastle Rock, CO 路 50K 路 Other 路 10K 路 5K
- Sun 8/30James Test SiteLyons, CO 路 5K 路 10K
September 2026
- Sat 9/5Golden Harvest Half Marathon & 5k/10k - DenverWestminster, CO 路 Other 路 1 Mile 路 5K 路 10K 路 Half Marathon
- Sat 9/5The Beaver RunBreckenridge, CO 路 5K 路 10K 路 Other
- Sat 9/5Break Your Neck: Walk, Run, or RollPueblo, CO 路 5K 路 10K
- Sun 9/6Golden Harvest Half Marathon & 5k/10k - Colorado SpringsColorado Springs, CO 路 Other 路 1 Mile 路 5K 路 10K 路 Half Marathon
- Mon 9/7Labor Day Half MarathonParker, CO 路 Half Marathon 路 10K 路 5K
- Sat 9/12National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 9/12Run for Mental Health 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 9/12Snow Mountain RanchGranby, CO 路 50K 路 Other 路 Half Marathon 路 10K 路 5K
- Sat 9/12NEDNED Trail FestNederland, CO 路 Half Marathon 路 10K 路 5K
- Sat 9/12Trail Sisters Women's Half Marathon & 10kBuena Vista, CO 路 Half Marathon 路 10K
- Sun 9/13RMRR September 5k/10kThornton, CO 路 10K 路 5K
- Sat 9/19All-Out Fall FestWestminster, CO 路 Half Marathon 路 10K 路 5K
- Sat 9/19Autumn RunBuena Vista, CO 路 Half Marathon 路 10K 路 5K 路 Other
- Sat 9/19Beulah Challenge and OverIt Series - ON PAUSE DUE TO THE ASPEN ACRES FIREBeulah, CO 路 Half Marathon 路 10K 路 5K
- Sat 9/19Battle by the BrookDeckers, CO 路 Other 路 10K
- Sat 9/19Wellington STAR Foundation 5K 10KWellington, CO 路 5K 路 10K
- Sun 9/2020th Annual Golden GallopGolden, CO 路 5K 路 10K 路 Half Marathon
- Sun 9/20Chile & Frijole Hot to Trot 5K & 10KPueblo, CO 路 5K 路 10K
- Sat 9/26Oktoberfest Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 9/26Run for Donuts 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 9/26Parker Parks and Recreation So Long to Summer 5K/10KParker, CO 路 5K 路 10K
- Sun 9/27Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - ColoradoBoulder, CO 路 Half Marathon 路 5K 路 10K
October 2026
- Sat 10/3Spooky Sprint - DenverLittleton, CO 路 Other 路 1 Mile 路 5K 路 10K 路 Half Marathon
- Sat 10/3Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half MarathonCanon City, CO 路 5K 路 Other 路 Half Marathon 路 10K
- Sat 10/3Above the Clouds UltraWoodland Park, CO 路 50K 路 10K
- Sat 10/3HRCA Wildcat Mountain Trail RacesLittleton, CO 路 Other 路 10K
- Sat 10/3Lafayette Music Fest -5K - 10KLafayette, CO 路 10K 路 5K
- Sun 10/4Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile RunWindsor, CO 路 Marathon 路 Half Marathon 路 10K 路 5K 路 1 Mile
- Wed 10/7Your Story Isn't Over 5k/10k/Kids 1-MileLittleton, CO 路 1 Mile 路 10K 路 5K
- Sat 10/10Bagel Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 10/10Breckenridge RunFestBreckenridge, CO 路 Marathon 路 Half Marathon 路 10K 路 5K 路 1 Mile
- Sat 10/10Coffee Lovers Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 10/17Bobcat Trail RacesColorado Springs, CO 路 50K 路 Other 路 10K 路 5K
- Sat 10/24Bridge Burner UltraCanon City, CO 路 50K 路 Other 路 10K
- Sun 10/25Ghosts and Goblins 5K/10KDenver, CO 路 5K 路 10K
- Sat 10/31Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 10/31PB&J Fuel Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 10/31Spooky Sprint - Colorado SpringsColorado Springs, CO 路 1 Mile 路 5K 路 10K 路 Half Marathon
November 2026
- Sun 11/1All-Out Kooky-SpookyGolden, CO 路 Half Marathon 路 10K 路 5K
- Sun 11/1Feet for Justice RunDenver, CO 路 10K 路 5K
- Sat 11/7Turkey Trails- DenverLittleton, CO 路 Other 路 1 Mile 路 5K 路 10K 路 Half Marathon
- Sat 11/7City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)Denver, CO 路 5K 路 10K 路 1 Mile
- Sat 11/7Alamosa Veterans Memorial Park RaceAlamosa, CO 路 5K 路 10K
- Sun 11/8Turkey Trails - Colorado SpringsColorado Springs, CO 路 Other 路 1 Mile 路 5K 路 10K 路 Half Marathon
- Sat 11/14Run for Mental Health 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 11/14Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 11/14Louisville Trail RaceLouisville, CO 路 Half Marathon 路 10K 路 5K
- Sat 11/14Denver Veterans Day RunDenver, CO 路 5K 路 10K
- Sat 11/21Colorado Cold Rush UltraColorado Springs, CO 路 50K 路 Half Marathon 路 10K
- Sat 11/21TURKEY TREK (13.1, 10k, 5k & 2k)Arvada, CO 路 Half Marathon 路 10K 路 5K 路 1 Mile
- Sat 11/21Pumpkin Pie 5K/10KDenver, CO 路 5K 路 10K
- Thu 11/26Broomfield Turkey Day 5K/10KBroomfield, CO 路 10K 路 5K 路 Other
- Thu 11/26WP Elite Turkey Trot and RuckWoodland Park, CO 路 10K 路 5K
- Sat 11/28Coffee Lovers Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 11/28Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
December 2026
- Sat 12/5All-Out Fa La LaWestminster, CO 路 Half Marathon 路 10K 路 5K
- Sat 12/5Candy Cane Course - Colorado SpringsColorado Springs, CO 路 Other 路 1 Mile 路 5K 路 10K
- Sat 12/5Chasing Santa 5k/Cycling Santa Toy Drive Presented by: Springs Law GroupColorado Springs, CO 路 5K 路 10K 路 Other
- Sat 12/5Toy DropLoveland, CO 路 5K 路 10K 路 Other
- Sun 12/6Candy Cane Course - DenverWestminster, CO 路 1 Mile 路 5K 路 10K 路 Other
- Sat 12/12Run for Breast Cancer 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 12/12Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 12/12Santa Catch 5k & 10kWindsor, CO 路 5K 路 10K 路 1 Mile
- Sat 12/26A Merry Christmas Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 12/26New Year's Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
January 2027
- Sat 1/9All-Out Polar ProwlArvada, CO 路 Half Marathon 路 10K 路 5K
- Sat 1/16MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 1/16Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 1/30Alley LoopCrested Butte, CO 路 Marathon 路 Half Marathon 路 10K 路 5K 路 Other
- Sat 1/30Coffee Lover Run DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 1/30Run for Donut DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
February 2027
- Sat 2/6All-Out Mardi CrawlArvada, CO 路 Half Marathon 路 10K 路 5K
- Sat 2/6Stories Trail RunsColorado Springs, CO 路 10K 路 Half Marathon 路 Other
- Sat 2/13Run for Chocolate 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 2/13Valentine's Day Run 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
March 2027
- Sun 3/14Lucky Brew Race 5K, 10K, 15k & Half MarathonSeverance, CO 路 5K 路 10K 路 Other 路 Half Marathon
- Sat 3/20Sunrise Marathon 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sun 3/21All-Out Spring FeverGolden, CO 路 Half Marathon 路 10K 路 5K
April 2027
- Sat 4/10Run for Bagels 5K/10K/13.1 DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 4/17Rattler Trail RaceColorado Springs, CO 路 50K 路 Other 路 10K 路 5K
- Sun 4/182027 Elevate Kids Fun RunGrand Junction, CO 路 10K 路 5K 路 1 Mile
- Sat 4/24Coffee Lover Run DENVER/AURORACentennial, CO 路 5K 路 10K 路 Half Marathon 路 1 Mile
- Sat 4/24All-Out Beat the HeatWestminster, CO 路 Half Marathon 路 10K 路 5K
May 2027
- Sun 5/2The Colorado MarathonFort Collins, CO 路 Marathon 路 Half Marathon 路 10K 路 5K
- Sun 5/9Colorado Women's Classic - WestminsterWestminster, CO 路 5K 路 10K 路 Other
June 2027
- Sun 6/6Colorado 13er (Half Marathon/10k/5k)Louisville, CO 路 Half Marathon 路 10K 路 5K
- Sat 6/12All-Out Summer BreezeArvada, CO 路 Half Marathon 路 10K 路 5K
- Sat 6/12Summits Trail RunsGranby, CO 路 10K 路 Other 路 50K
- Thu 6/24Race in the Clouds - Alma Dirt Festival 2027Alma, CO 路 Ultra 路 Marathon 路 Half Marathon 路 Other 路 10K
July 2027
- Sat 7/10All-Out Dog DaysWestminster, CO 路 Half Marathon 路 10K 路 5K
- Sat 7/17Summer Splash Prairie Dog Half, 10k, & 5kCastle Rock, CO 路 Half Marathon 路 10K 路 5K
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