Half Marathons in Colorado
1. That Dam Run
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Greenwood Village, CO
Arapahoe County, CO
2. Spring Equinox Races
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Past DateMar 24, 2024Sunday
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13.1M, 5K run
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Fort Collins, CO
Larimer County, CO
3. Boulder Rez Half
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Past DateApr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
Boulder County, CO
4. Great Western Trail Race
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
Weld County, CO
5. Time Travel Half Marathon
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
6. Blue Heron Half and 5K
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Past DateApr 21, 2024Sunday
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13.1M, 5K run
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Brighton, CO
Adams County, CO
7. Time Travel Half Marathon - Colorado Springs
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Past DateApr 21, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Colorado Springs, CO
El Paso County, CO
8. Carbon Valley Half Marathon
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Past DateMay 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
9. Vallecito Lake Heavy Half
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Past DateMay 11, 2024Saturday
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13.1M run
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Bayfield, CO
La Plata County, CO
10. Basalt Half Marathon
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Past DateJun 1, 2024Saturday
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13.1M run | 13.1M relay
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Basalt, CO
Eagle County, CO
11. Latino Ultra Nature Adventure
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Past DateJun 1, 2024Saturday
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50K, 13.1M, 7.5M, 5K run
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Golden, CO
Jefferson County, CO
12. Louise Hammond Memorial Beardance Run
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Past DateJun 1, 2024Saturday
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13.1M, 10K, 5K run
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Towaoc, CO
Montezuma County, CO
13. REVEL Rockies
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Past DateJun 1, 2024Saturday
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26.2M, 13.1M run
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
14. Steamworks Half Marathon
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Past DateJun 8, 2024Saturday
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13.1M run
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Durango, CO
La Plata County, CO
15. Estes Park Marathon
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Past DateJun 16, 2024Sunday
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26.2M, 13.1M run
Virtual OptionMore Information
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Estes Park, CO
Larimer County, CO
16. Red, White and Brew 5K, 10K & Half Marathon
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Past DateJun 22, 2024Saturday
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13.1M, 10K, 5K run | last man standing | kids run
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Windsor, CO
Weld County, CO
17. Slacker Half Marathon
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Past DateJun 22, 2024Saturday
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13.1M, 4M run | 13.1M relay
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Georgetown, CO
Clear Creek County, CO
18. Aspen Valley Marathon
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Past DateJul 13, 2024Saturday
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26.2M, 13.1M, 5K run
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Boston Marathon Qualifier
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Aspen, CO
Pitkin County, CO
19. Boulder Rez Marathon
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Past DateAug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
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Boulder, CO
Boulder County, CO
20. Popsicle 5K/10K/Half - Colorado Springs
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Past DateAug 3, 2024Saturday
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13.1M, 10K, 5K run
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Colorado Springs, CO
El Paso 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.