Upcoming Half Marathons in Colorado
1. Three Creeks Half Marathon
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Apr 7, 2024Sunday
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13.1M run
More Information
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Denver, CO
Denver County, CO
2. All-Out Beat the Heat
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Apr 13, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
Adams County, COJefferson County, CO
3. Boulder Rez Half
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Apr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
Boulder County, CO
4. Desert RATS Trail Running Festival
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Apr 14, 2024Sunday
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13.1M, 10K trail run
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Fruita, CO
Mesa County, CO
5. Horsetooth Half Marathon
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Apr 14, 2024Sunday
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13.1M run
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Fort Collins, CO
Larimer County, CO
6. Platte River Half Marathon
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Apr 14, 2024Sunday
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13.1M run | 13.1M relay
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Littleton, CO
Arapahoe County, CO
7. Spring Fling Prairie Dog Half
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Apr 14, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Arvada, CO
Jefferson County, CO
8. Great Western Trail Race
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
Weld County, CO
9. Time Travel Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
10. Blue Heron Half and 5K
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Apr 21, 2024Sunday
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13.1M, 5K run
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Brighton, CO
Adams County, CO
11. Time Travel Half Marathon - Colorado Springs
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Apr 21, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Colorado Springs, CO
El Paso County, CO
12. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
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Loveland, CO
Larimer County, CO
13. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
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Castle Rock, CO
Douglas County, CO
14. Runs With Scissors Races
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Apr 27, 2024Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
Adams County, CO
15. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
16. Carbon Valley Half Marathon
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May 11, 2024Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
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Firestone, CO
Weld County, CO
17. Valkyrie Trail Race
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May 11, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 8M, 4M trail run
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Colorado Springs, CO
El Paso County, CO
18. Vallecito Lake Heavy Half
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May 11, 2024Saturday
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13.1M run
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Bayfield, CO
La Plata County, CO
19. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
Boulder County, CO
20. Fruita Trail Half
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May 12, 2024Sunday
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13.1M trail run
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Fruita, CO
Mesa County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.