Colorado Races
Browse upcoming races across Colorado. View historical results, find competitive fields, and discover your next race.
623 races
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Find Colorado races at your preferred distance.
Upcoming Colorado Races
Races with historical data for competitive matching.
Cookie Chase
Denver, COJul 11, 2026
0 past results
Pagosa Duathlon
Pagosa Springs, COJul 11, 2026
0 past results
All-Out Dog Days
Westminster, COJul 11, 2026
0 past results
Audi Power of Four Trail Run
Aspen, COJul 18, 2026
0 past results
Spring Creek Memorial Trail Run
Steamboat Springs, COJul 18, 2026
0 past results
Heritage Eagles 5K
Littleton, COJul 18, 2026
0 past results
Summer Splash Prairie Dog Half, 10k, & 5k
Castle Rock, COJul 18, 2026
0 past results
49th Annual Manassa Pioneer Days 5K Run
Manassa, COJul 18, 2026
0 past results
Flyin' Ryan Memorial 5k
Loveland, COJul 24, 2026
0 past results
Audi Snowmass 50 Mountain Bike Race
Snowmass Village, COJul 25, 2026
0 past results
The Hero's Journey 5K
Aurora, COJul 25, 2026
0 past results
Aspen Valley Marathon
Aspen, COJul 25, 2026
0 past results
Races by Month
Plan ahead with upcoming race counts by month.
All Colorado Races
500 races across Colorado.
Fifty States Half Marathon Club General MembershipColorado Springs50 States Half Marathon Club Life MembershipColorado Springs2026 Suicide Prevention Color Walk/RunCenterTuesday Night TrackFort CollinsSouth Suburban Race SeriesLittleton2026 Dash & Dine 5k Run SeriesBoulderVendors and Honorary Badge SignupsAuroraTeam CKF Running SeriesAspenDogventure Photo ChallengeNiwotThe Grand TraverseCrested ButtePrairie Dog Run SeriesLouisvilleHealthy Kids Running Series Spring 2026 - Fort Collins, COFort CollinsHealthy Kids Running Series Spring 2026 - Aurora, COAuroraEverest ChallengeU S A F AcademySuper Mom 5K/10K/Half - Colorado SpringsColorado SpringsHometown Half Marathon & 5k/10k - DenverLittletonSpring Dirt Pile Short Track Race SeriesFort CollinsKnow. Grow. GO RUN. 5KLovelandGluten Free Gallop 5KLittletonVallecito Lake Heavy HalfBayfieldThe HIKECascadeGirls on the Run 5K at Colfax - Running Buddies and VolunteersDenverBlack Canyon AscentMontroseMay 16 - Never Ever MTBers & Beginners @ Bluestem - (bring a non-WMBA friend!!)Colorado SpringsSpirit Challenge Run for Autism 10k and 5kSteamboat SpringsCanine On the CreekDumontGirls on the Run Rockies Colfax SoleMates 2026DenverHealing Warriors Program 2026 Annual 5K Fun RunFort CollinsMiles for Smiles 5KArvadaMay 19 - Pre-Season Purple Prep & Bike Fit at SRAMColorado SpringsAdventHealth Race to RebuildLone TreeThursday May 21 - Ride Guides Only Practice Guide @ Palmer with StacyColorado SpringsRun Wild! Rabies Free Africa 5KVirtual8th Annual Angel Run at Red Leg BrewingColorado SpringsMile High MileBoulderRun for Mental Health 5K/10K/13.1 DENVER/AURORACentennialGMR Backyard UltraGoldenMemorial Day Run 5K/10K/13.1 DENVER/AURORACentennialFarish Trail RaceWoodland Park2026 CKF Cape Town MarathonAspenThe Narrow Gauge RacesDurangoSmiles for Miles Memorial Day Fun Run - Sponsored by Dignity Memorial - Supporting Operation School BellPuebloSmiles For Miles Memorial Day Fun RunPuebloUACWMA Invasive Challenge 5KCanon CityYouth TNT ProgramFort CollinsSession Series #1 - Virginia CanyonIdaho SpringsMay 28 - InterVanced & Advanced @ Cheyenne CanyonColorado SpringsMay 28 - Beginner / Intermediate @ Red RockColorado Springs2026 MTHCF 5KFruitaEvergreen Trail Race SeriesEvergreen