10K Races in Colorado

Upcoming races with 10K distance in Colorado. Use filters to quickly find races by month, city or race type.

More races:ย USA running calendar

Date RaceDistanceLocationhf:tax:monthandyearhf:tax:cityhf:tax:typerace
05/04/2025Colorado Marathon10K, 13.1M, 26.2M, 5KFort Collins CO05-mayfort-collins-coroadrace
05/10/2025Donot Stop – Denver10K, 5KDenver CO05-maydenver-coroadrace
05/10/2025Mountain Ridge Trail Race10K, 13.1M, 21M, 5KHighlands Ranch CO05-mayhighlands-ranch-cotrail
05/11/2025Donot Stop – Colorado Springs10K, 5KColorado Springs CO05-maycolorado-springs-coroadrace
05/17/2025Memorial Day Run & March: To Help Feed Homeless Veterans10K, 30K, 5KCastle Rock CO05-maycastle-rock-coroadrace
05/17/2025Endure Trail Runs10K, 12H, 13.1M, 24HDivide CO05-maydivide-cotrail
05/17/2025Spirit Challenge Run for Autism10K, 5KSteamboat Springs CO05-maysteamboat-springs-coroadrace
05/26/2025Annual Angel Run at Red Leg Brewing10K, 5KColorado Springs CO05-maycolorado-springs-coroadrace
05/26/2025BOLDERBoulder 10K10KBoulder CO05-mayboulder-coroadrace
06/01/2025Crazy Legs 10K Trail Run10KLoveland CO06-juneloveland-cotrail
06/01/2025Steamboat Marathon10K, 13.1M, 26.2MSteamboat Springs CO06-junesteamboat-springs-coroadrace
06/01/2025Colorado 13er10K, 13.1M, 5KLouisville CO06-junelouisville-coroadrace
06/07/2025All-Out Summer Breeze Half Marathon10K, 13.1M, 5KArvada CO06-junearvada-coroadrace
06/08/2025Garden of the Gods 10M Trail Run10K, 10MColorado Springs CO06-junecolorado-springs-cotrail
06/15/2025Father’s Day Classic10K, 1M, 5KArvada CO06-junearvada-coroadrace
06/21/2025Hometown Half Marathon – Denver10K, 13.1M, 5KWestminister CO06-junewestminister-coroadrace
06/21/2025Red, White and Brew10K, 12H, 13.1M, 5KWindsor CO06-junewindsor-coroadrace
06/22/2025Hometown Half Marathon – Colorado Springs10K, 13.1M, 5KColorado Springs CO06-junecolorado-springs-coroadrace
07/04/2025Let Freedom Run10K, 5KLouisville CO07-julylouisville-coroadrace
07/12/2025All-Out Dog Days Half Marathon10K, 13.1M, 5KWestminster CO07-julywestminster-coroadrace
07/19/2025Audi Power of Four Trail Run10K, 25K, 50KAspen CO07-julyaspen-cotrail
07/19/2025Summer Splash Prairie Dog Half10K, 13.1M, 5KCastle Rock CO07-julycastle-rock-coroadrace
08/02/2025Boulder Rez Marathon10K, 13.1M, 19.7M, 26.2MBoulder CO08-augustboulder-coroadrace
08/02/2025All-Out Runapalooza Half Marathon10K, 13.1M, 5KArvada CO08-augustarvada-coroadrace
08/08/2025Choice City Running Festival10K, 13.1M, 5KFort Collins CO08-augustfort-collins-coroadrace
08/09/2025Run the Rockies Trail Race10K, 13.1M, 5KFrisco CO08-augustfrisco-cotrail
08/09/2025Human Race Half Marathon10K, 13.1M, 1M, 5KFort Collins CO08-augustfort-collins-coroadrace
08/12/2025Into the Hills Eltuck 10K10KBellvue CO08-augustbellvue-coroadrace
08/16/2025Summer Sizzler- Denver10K, 15K, 5KWestminster CO08-augustwestminster-coroadrace
08/16/2025The Cheyenne Mountain Run10K, 25K, 5KColorado Springs CO08-augustcolorado-springs-cotrail
08/16/2025Mt Sneffels Marathon10K, 13.1MOuray CO08-augustouray-coroadrace
08/17/2025Summer Sizzler- Colorado Springs10K, 15K, 1M, 5KColorado Springs CO08-augustcolorado-springs-coroadrace
08/31/202510K at 10,000 Feet Trail Run10K, 5KSteamboat Springs CO08-auguststeamboat-springs-cotrail
09/01/2025Labor Day Half Marathon10K, 13.1M, 5KParker CO09-septemberparker-coroadrace
09/06/2025HRCA Wildcat Mountain Trail Races10K, 10MLittleton CO09-septemberlittleton-cotrail
09/06/2025Wildcat Mountain Trail Races10K, 10MLittleton CO09-septemberlittleton-cotrail
09/13/2025Snow Mountain Ranch Trail Festival10K, 13.1M, 33K, 50K, 5KGranby CO09-septembergranby-cotrail
09/13/2025Trail Sisters Women’s Half Marathon10K, 13.1MBuena Vista CO09-septemberbuena-vista-cotrail
09/13/2025All-Out Fall Fest10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/13/2025Parker Parks and Recreation So Long to Summer10K, 5KParker CO09-septemberparker-coroadrace
09/13/2025Ned Ned Run Half Marathon10K, 13.1M, 5KNederland CO09-septembernederland-cotrail
09/13/2025Spooky Sprint – Colorado Springs10K, 13.1M, 5KColorado Springs CO09-septembercolorado-springs-coroadrace
09/14/2025Spooky Sprint – Denver10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/20/2025Move Forward10K, 5KDenver CO09-septemberdenver-coroadrace
09/20/2025Beulah Challenge and OverIt Series10K, 13.1M, 5KBeulah CO09-septemberbeulah-coroadrace
09/20/2025Autumn Run Half Marathon10K, 13.1M, 5KBuena Vista CO09-septemberbuena-vista-coroadrace
09/27/2025Prairie Dog Half10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/27/2025Pioneer Prairie Dog Half10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/28/2025Boulderthon10K, 13.1M, 26.2M, 5KBoulder CO09-septemberboulder-coroadrace
10/04/2025Bear Chase Race – Half Marathon100K, 10K, 13.1M, 50K, 50MLakewood CO10-octoberlakewood-cotrail
10/04/2025Not So Flatt Breast Cancer Awareness Run10K, 5KWestminster CO10-octoberwestminster-coroadrace
10/04/2025Above the Clouds Ultra10K, 50KWoodland Park CO10-octoberwoodland-park-cotrail
10/05/2025Hot Chocolate Run โ€“ Denver10K, 15K, 5KDenver CO10-octoberdenver-coroadrace
10/05/2025Windsor Marathon10K, 13.1M, 26.2M, 5KWindsor CO10-octoberwindsor-coroadrace
10/11/2025Breckenridge Road Marathon10K, 13.1M, 26.2MBreckenridge CO10-octoberbreckenridge-coroadrace
10/12/2025bRUNch Run10K, 5KDenver CO10-octoberdenver-coroadrace
10/25/2025Bridge Burner Ultra10K, 35K, 35M, 50KCaรฑon City CO10-octobercanon-city-cotrail
10/25/2025Monster Dash Run – Louisville10K, 5KLouisville CO10-octoberlouisville-coroadrace
11/01/2025City Park 5K10K, 5KDenver CO11-novemberdenver-coroadrace
11/01/2025Turkey Trails – Colorado Springs10K, 5KColorado Springs CO11-novembercolorado-springs-coroadrace
11/01/2025City Park 5K & 1 Mile Walk of Hope for Pancreatic Cancer Research10K, 5KDenver CO11-novemberdenver-coroadrace
11/02/2025All-Out Kooky-Spooky Half Marathon10K, 13.1M, 5KGolden CO11-novembergolden-coroadrace
11/02/2025Turkey Trails – Denver10K, 5KLakewood CO11-novemberlakewood-coroadrace
11/08/2025Denver Veterans Day Run10K, 5KDenver CO11-novemberdenver-coroadrace
11/15/2025Louisville Trail Race Half Marathon10K, 13.1M, 5KLouisville CO11-novemberlouisville-cotrail

Colorado Race Calendar

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