Colorado Races
Browse upcoming races across Colorado. View historical results, find competitive fields, and discover your next race.
499 races
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Find Colorado races at your preferred distance.
Upcoming Colorado Races
Races with historical data for competitive matching.
Weld Your Mettle Running Festival
Eaton, COMay 30, 2026
0 past results
J-Town Jog 5K and Kids 1 Mile Dash
Johnstown, COJun 6, 2026
0 past results
Steamworks Half Marathon
Durango, COJun 6, 2026
0 past results
Creede Donkey Dash
Creede, COJun 6, 2026
0 past results
StepUp For Women And Recovery
Fort Collins, COJun 6, 2026
0 past results
Flamingo Day 5K
Denver, COJun 7, 2026
0 past results
Colorado 13er (Half Marathon/10k/5k)
Louisville, COJun 7, 2026
0 past results
All-Out Summer Breeze
Arvada, COJun 13, 2026
0 past results
Sam's Rainbow Run
Fort Collins, COJun 13, 2026
0 past results
Stepping Stone 5K
Littleton, COJun 13, 2026
0 past results
Howelsen Hill Trail Run
Steamboat Springs, COJun 13, 2026
0 past results
KowTown Gravel
Kremmling, COJun 13, 2026
0 past results
Races by Month
Plan ahead with upcoming race counts by month.
All Colorado Races
470 races across Colorado.
Fifty States Half Marathon Club General MembershipColorado Springs50 States Half Marathon Club Life MembershipColorado SpringsPLAYTRI - IRONMAN 70.3 BOULDERBoulder2026 Suicide Prevention Color Walk/RunCenterTuesday Night TrackFort Collins2026 Dash & Dine 5k Run SeriesBoulderSouth Suburban Race SeriesLittletonVendors and Honorary Badge SignupsAuroraTeam CKF Running SeriesAspenDogventure Photo ChallengeNiwotThe Grand TraverseCrested ButteHealthy Kids Running Series Spring 2026 - Denver, CODenverPlatte River Half-Marathon, Relay & 5kLittletonHealthy Kids Running Series Spring 2026 - Aurora, COAuroraHealthy Kids Running Series Spring 2026 - Fort Collins, COFort CollinsPrairie Dog Run SeriesLouisvilleEverest ChallengeU S A F AcademyThe Colorado MarathonFort CollinsColorado Women's Classic - WestminsterWestminsterDenver Mother's Day 5KDenverSuper Mom 5K/10K/Half - Colorado SpringsColorado SpringsHometown Half Marathon & 5k/10k - DenverLittletonSpring Dirt Pile Short Track Race SeriesFort CollinsKnow. Grow. GO RUN. 5KLovelandEndure Trail RunsDivideGirls on the Run 5K at Colfax - Running Buddies and VolunteersDenverBlack Canyon AscentMontroseThe HIKECascadeVallecito Lake Heavy HalfBayfieldSpirit Challenge Run for Autism 10k and 5kSteamboat SpringsMay 16 - Never Ever MTBers & Beginners @ Bluestem - (bring a non-WMBA friend!!)Colorado SpringsGluten Free Gallop 5KLittletonHealing Warriors Program 2026 Annual 5K Fun RunFort CollinsCanine On the CreekDumontMiles for Smiles 5KArvadaGirls on the Run Rockies Colfax SoleMates 2026DenverMay 19 - Pre-Season Purple Prep & Bike Fit at SRAMColorado SpringsAdventHealth Race to RebuildLone TreeHRCA Highlands Point CircuitHighlands RanchThursday May 21 - Ride Guides Only Practice Guide @ Palmer with StacyColorado Springs8th Annual Angel Run at Red Leg BrewingColorado SpringsRun Wild! Rabies Free Africa 5KVirtualMemorial Day Run 5K/10K/13.1 DENVER/AURORACentennialMile High MileBoulderGMR Backyard UltraGoldenRun for Mental Health 5K/10K/13.1 DENVER/AURORACentennialFarish Trail RaceWoodland Park2026 CKF Cape Town MarathonAspenThe Narrow Gauge RacesDurangoUACWMA Invasive Challenge 5KCanon City