Upcoming Half Marathons in Colorado
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
1. 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
2. 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
3. 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
4. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
More Information
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Boulder, CO
Boulder County, CO
5. Fruita Trail Half
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May 12, 2024Sunday
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13.1M trail run
More Information
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Fruita, CO
Mesa County, CO
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
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Highlands Ranch, CO
Douglas County, CO
14. 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
15. Colorado 13er
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Jun 2, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Louisville, CO
Boulder County, CO
16. 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
17. All-Out Summer Breeze
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Jun 8, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
18. Steamworks Half Marathon
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Jun 8, 2024Saturday
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13.1M run
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Durango, CO
La Plata County, CO
19. Colorado Brewery Running Series
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Jun 9, 2024Sunday
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13.1M, 5K run
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Littleton, CO
Arapahoe County, CO
20. Estes Park Marathon
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Jun 16, 2024Sunday
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26.2M, 13.1M run
Virtual OptionMore Information
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Estes Park, CO
Larimer 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.