Upcoming Half Marathons in Colorado
City Location
1. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
More Information
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Loveland, CO
Larimer County, CO
2. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
Douglas County, CO
3. Runs With Scissors Races
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Apr 27, 2024Saturday
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50K, 26.2M, 13.1M run
More Information
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Brighton, CO
Adams County, CO
4. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
5. 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
More Information
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Firestone, CO
Weld County, CO
6. 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
7. 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
8. 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
9. 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
10. Endure Trail Runs
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May 18, 2024Saturday
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24H, 12H, 13.1M, 10K trail run
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Divide, CO
Teller County, CO
11. Denver Colfax Marathon
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May 19, 2024Sunday
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26.2M, 13.1M, 10M run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
12. Ram Party
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May 19, 2024Sunday
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26.2M, 13.1M, 9M, 5K trail run
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Colorado Springs, CO
El Paso County, CO
13. Spirit Trail Run
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May 26, 2024Sunday
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26.2M, 13.1M, 8K trail run
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Buena Vista, CO
Chaffee County, CO
14. Basalt Half Marathon
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Jun 1, 2024Saturday
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13.1M run | 13.1M relay
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Basalt, CO
Eagle County, CO
15. Latino Ultra Nature Adventure
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Jun 1, 2024Saturday
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50K, 13.1M, 7.5M, 5K run
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Golden, CO
Jefferson County, CO
16. Louise Hammond Memorial Beardance Run
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Jun 1, 2024Saturday
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13.1M, 10K, 5K run
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Towaoc, CO
Montezuma County, CO
17. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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22M, 13.1M, 10K trail run
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Highlands Ranch, CO
Douglas County, CO
18. REVEL Rockies
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Jun 1, 2024Saturday
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26.2M, 13.1M run
More Information
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
19. Colorado 13er
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Jun 2, 2024Sunday
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13.1M, 10K, 5K run
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Louisville, CO
Boulder County, CO
20. Steamboat Marathon
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Jun 2, 2024Sunday
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26.2M, 13.1M, 10K run | kids run
More Information
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Boston Marathon Qualifier
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Steamboat Springs, CO
Routt 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.