5K Races in Colorado

Upcoming races with 5K 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
04/26/2025Royal Gorge Groove Trail Runs12K, 20K, 30K, 50K, 5KCaรฑon City CO04-aprilcanon-city-cotrail
04/27/2025Blue Heron Half Marathon13.1M, 5KHighlands Ranch CO04-aprilhighlands-ranch-cotrail
05/04/2025Longmont Half Marathon13.1M, 5KLongmont CO05-maylongmont-coroadrace
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
05/10/2025Carbon Valley Half Marathon13.1M, 5KFirestone CO05-mayfirestone-coroadrace
05/11/2025Chasing Charlie 5K5KBoulder CO05-mayboulder-coroadrace
05/11/2025Donot Stop – Colorado Springs10K, 5KColorado Springs CO05-maycolorado-springs-coroadrace
05/17/2025Habitat Archuleta’s 15 Homes in 5K Fun Run5KPagosa Springs CO05-maypagosa-springs-coroadrace
05/17/2025Memorial Day Run & March: To Help Feed Homeless Veterans10K, 30K, 5KCastle Rock CO05-maycastle-rock-coroadrace
05/17/2025Spirit Challenge Run for Autism10K, 5KSteamboat Springs CO05-maysteamboat-springs-coroadrace
05/17/2025Canine On the Creek 5K1M, 5KDumont CO05-maydumont-coroadrace
05/18/2025Miles for Smiles 5K5KArvada CO05-mayarvada-coroadrace
05/24/2025The Valley Bottom Rio Trio5KAlamosa CO05-mayalamosa-coroadrace
05/25/2025Narrow Gauge 10M10M, 1M, 5KDurango CO05-maydurango-coroadrace
05/26/2025Annual Angel Run at Red Leg Brewing10K, 5KColorado Springs CO05-maycolorado-springs-coroadrace
06/01/2025Stepping Stone 5K5KLittleton CO06-junelittleton-coroadrace
06/01/2025Flamingo Day 5K5KDenver CO06-junedenver-coroadrace
06/01/2025Fish Hatchery 5K Trail Run5KLeadville CO06-juneleadville-cotrail
06/01/2025Colorado 13er10K, 13.1M, 5KLouisville CO06-junelouisville-coroadrace
06/07/2025Aiden’s Adventure 5K5KColorado Springs CO06-junecolorado-springs-coroadrace
06/07/2025StepUp For Women And Recovery 5K5KFort Collins CO06-junefort-collins-coroadrace
06/07/2025All-Out Summer Breeze Half Marathon10K, 13.1M, 5KArvada CO06-junearvada-coroadrace
06/11/2025NoCo All-Comers Track Meet Series5KLoveland CO06-juneloveland-coroadrace
06/14/2025Sierra’s 5K Run Race Against Meningitis5KLoveland CO06-juneloveland-coroadrace
06/14/2025Parker Parks and Recreation Cattle Crossing 5K5KParker CO06-juneparker-coroadrace
06/14/2025Barr Lake13.1M, 15K, 30K, 50K, 5KBrighton CO06-junebrighton-coroadrace
06/15/2025Father’s Day Classic10K, 1M, 5KArvada CO06-junearvada-coroadrace
06/21/2025Hometown Half Marathon – Denver10K, 13.1M, 5KWestminister CO06-junewestminister-coroadrace
06/21/2025Unicorn 5K (North)5KThornton CO06-junethornton-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
06/22/2025Sunset Trail Running Festival12K, 28K, 5KBoulder CO06-juneboulder-cotrail
06/22/2025Annual Buffs4Life Kyle MacIntosh Memorial 5K Run5KBoulder CO06-juneboulder-coroadrace
06/28/2025Denver Pride 5K5KDenver CO06-junedenver-coroadrace
06/28/2025Before The Fourth 5K5KLittleton CO06-junelittleton-coroadrace
07/04/2025ROCK-IT Run Half Marathon13.1M, 5KCastle Rock CO07-julycastle-rock-coroadrace
07/04/2025HRCA Independence Day 5K5KLittleton CO07-julylittleton-coroadrace
07/04/2025Burro Buster 5K5KFairplay CO07-julyfairplay-coroadrace
07/04/2025Let Freedom Run10K, 5KLouisville CO07-julylouisville-coroadrace
07/04/2025Loveland Liberty 5K5KLoveland CO07-julyloveland-coroadrace
07/04/2025FireKracker 5K5KFort Collins CO07-julyfort-collins-coroadrace
07/04/2025Greeley Freedom 5K5KGreeley CO07-julygreeley-coroadrace
07/04/2025July 4th ROCK-IT Run13.1M, 1K, 5KCastle Rock CO07-julycastle-rock-coroadrace
07/12/2025Cookie Chase 5K5KDenver CO07-julydenver-coroadrace
07/12/2025All-Out Dog Days Half Marathon10K, 13.1M, 5KWestminster CO07-julywestminster-coroadrace
07/19/2025Spring Creek Memorial Trail Run5K, 9.5MSteamboat Springs CO07-julysteamboat-springs-cotrail
07/19/2025Summer Splash Prairie Dog Half10K, 13.1M, 5KCastle Rock CO07-julycastle-rock-coroadrace
07/19/2025Heritage Eagles 5K5KLittleton CO07-julylittleton-coroadrace
07/19/2025Aspen Valley Marathon13.1M, 26.2M, 5KAspen CO07-julyaspen-cotrail
07/26/2025The Hero’s Journey 5K5KAurora, CO07-julyaurora coroadrace
07/27/2025Dash for Smiles5KDenver CO07-julydenver-coroadrace
07/27/2025Spirit of the West 5K5KGolden CO07-julygolden-coroadrace
08/01/2025Rocky Mountain Half Marathon13.1M, 5KEstes Park CO08-augustestes-park-coroadrace
08/02/2025Flying Colors 5K Fun Run5KCraig CO08-augustcraig-coroadrace
08/02/2025Unicorn 5K (South)5KHighlands Ranch CO08-augusthighlands-ranch-coroadrace
08/02/2025Valley 50005KLoveland CO08-augustloveland-coroadrace
08/02/2025All-Out Runapalooza Half Marathon10K, 13.1M, 5KArvada CO08-augustarvada-coroadrace
08/05/2025Eltuck Valley 5K5KBellvue CO08-augustbellvue-coroadrace
08/08/2025Choice City Running Festival10K, 13.1M, 5KFort Collins CO08-augustfort-collins-coroadrace
08/09/2025Arapahoe Warrior 5K5KCentennial CO08-augustcentennial-coroadrace
08/09/2025Run the Rockies Trail Race10K, 13.1M, 5KFrisco CO08-augustfrisco-cotrail
08/09/2025Holy COW Trail Stampede5KWestminster CO08-augustwestminster-cotrail
08/09/2025Severance Days 5K5KSeverance CO08-augustseverance-coroadrace
08/09/2025Human Race Half Marathon10K, 13.1M, 1M, 5KFort Collins CO08-augustfort-collins-coroadrace
08/16/2025Summer Sizzler- Denver10K, 15K, 5KWestminster CO08-augustwestminster-coroadrace
08/16/2025The Cheyenne Mountain Run10K, 25K, 5KColorado Springs CO08-augustcolorado-springs-cotrail
08/17/2025Summer Sizzler- Colorado Springs10K, 15K, 1M, 5KColorado Springs CO08-augustcolorado-springs-coroadrace
08/17/2025Erie Half13.1M, 5KErie CO08-augusterie-coroadrace
08/19/2025Into the Hills Eltuck 5K5KBellvue CO08-augustbellvue-coroadrace
08/23/2025Rocky Mountain 5K5KColorado Springs CO08-augustcolorado-springs-coroadrace
08/23/2025Byers Peak Stampede Half Marathon13.1M, 5KWinter Park CO08-augustwinter-park-coroadrace
08/23/2025Byers Peak Stampede Half Marathon13.1M, 5KWinter Park CO08-augustwinter-park-cotrail
08/24/2025Unicorn 5K & Festival (West)5KLittleton CO08-augustlittleton-coroadrace
08/31/2025Wine Run 5K at The Winery at Holy Cross Abbey5KCaรฑon City CO08-augustcanon-city-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
09/05/2025American Heroes Run100M, 13.1M, 24H, 26.2M, 5K, 9.11M, 9HLongmont CO09-septemberlongmont-coroadrace
09/06/2025RexRun For PAWSitivity 5K Trail Run5KAurora CO09-septemberaurora-cotrail
09/07/2025Flyin’ Lion 5K5KLittleton CO09-septemberlittleton-coroadrace
09/13/2025Snow Mountain Ranch Trail Festival10K, 13.1M, 33K, 50K, 5KGranby CO09-septembergranby-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
09/13/2025The Denver 5K5KDenver CO09-septemberdenver-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
09/14/2025Nun Run13.1M, 1M, 5KCentennial CO09-septembercentennial-coroadrace
09/14/2025Spooky Sprint – Denver10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/20/2025Miles 4 Madison 5K1K, 5KLittleton CO09-septemberlittleton-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
09/21/2025Farmers 50005KWheat Ridge CO09-septemberwheat-ridge-coroadrace
09/21/2025Race Against Suicide5KColorado Springs CO09-septembercolorado-springs-coroadrace
09/27/2025Prairie Dog Half10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/27/2025Pioneer Prairie Dog Half10K, 13.1M, 5KWestminster CO09-septemberwestminster-coroadrace
09/27/2025HRCA Oktoberfest 5K5KLittleton CO09-septemberlittleton-coroadrace
09/28/2025Boulderthon10K, 13.1M, 26.2M, 5KBoulder CO09-septemberboulder-coroadrace
10/04/2025I Can 5K5KBrighton CO10-octoberbrighton-coroadrace
10/04/2025Rim to Rim Royal Gorge Races13.1M, 5K, 8MCaรฑon City CO10-octobercanon-city-cotrail
10/04/2025Not So Flatt Breast Cancer Awareness Run10K, 5KWestminster CO10-octoberwestminster-coroadrace
10/04/2025Colorado Springs Marathon13.1M, 26.2M, 5KColorado Springs CO10-octobercolorado-springs-coroadrace
10/05/2025Hot Chocolate Run โ€“ Denver10K, 15K, 5KDenver CO10-octoberdenver-coroadrace
10/05/2025Windsor Marathon10K, 13.1M, 26.2M, 5KWindsor CO10-octoberwindsor-coroadrace
10/11/2025Long View Marathon13.1M, 26.2M, 5KFort Collins CO10-octoberfort-collins-coroadrace
10/12/2025bRUNch Run10K, 5KDenver CO10-octoberdenver-coroadrace
10/12/2025Westy Half & 5K13.1M, 5KWestminster CO10-octoberwestminster-coroadrace
10/19/2025Expo Park XC Runs2K, 3K, 4K, 5KAurora CO10-octoberaurora-cotrail
10/25/2025Beware the Bear Trail Races15K, 1K, 5KMorrison CO10-octobermorrison-cotrail
10/25/2025Race to Cure Sarcoma – Denver1M, 5KDenver CO10-octoberdenver-coroadrace
10/25/2025Apex Foundation Trick or Trot 5K5KArvada CO10-octoberarvada-coroadrace
10/25/2025Foundry Halloween 5K5KSteamboat Springs CO10-octobersteamboat-springs-coroadrace
10/25/2025Monster Dash Run – Louisville10K, 5KLouisville CO10-octoberlouisville-coroadrace
10/26/2025Ghosts and Goblins10K, 5KDenver CO10-octoberdenver-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
12/20/2025Santa’s Dash for Cash1M, 5KDenver CO12-decemberdenver-coroadrace
12/27/2025Candy Cane Course – Denver12K, 5KWestminster CO12-decemberwestminster-coroadrace
12/28/2025Candy Cane Course – Colorado Springs12K, 5KColorado Springs CO12-decembercolorado-springs-coroadrace

Colorado Race Calendar

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