Upcoming Half Marathons in Colorado
City Location
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. Endure Trail Runs
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May 18, 2024Saturday
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24H, 12H, 13.1M, 10K trail run
More Information
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Divide, CO
Teller County, CO
2. 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
3. Ram Party
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May 19, 2024Sunday
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26.2M, 13.1M, 9M, 5K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
4. Spirit Trail Run
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May 26, 2024Sunday
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26.2M, 13.1M, 8K trail run
More Information
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Buena Vista, CO
Chaffee County, CO
5. Basalt Half Marathon
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Jun 1, 2024Saturday
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13.1M run | 13.1M relay
More Information
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Basalt, CO
Eagle County, CO
6. Latino Ultra Nature Adventure
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Jun 1, 2024Saturday
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50K, 13.1M, 7.5M, 5K run
More Information
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Golden, CO
Jefferson County, CO
7. Louise Hammond Memorial Beardance Run
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Jun 1, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Towaoc, CO
Montezuma County, CO
8. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
More Information
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Highlands Ranch, CO
Douglas County, CO
9. 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
10. 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
11. 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
12. 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
13. Steamworks Half Marathon
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Jun 8, 2024Saturday
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13.1M run
More Information
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Durango, CO
La Plata County, CO
14. Colorado Brewery Running Series
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Jun 9, 2024Sunday
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13.1M, 5K run
More Information
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Littleton, CO
Arapahoe County, CO
15. 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
16. Red, White and Brew 5K, 10K & Half Marathon
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Jun 22, 2024Saturday
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13.1M, 10K, 5K run | last man standing | kids run
More Information
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Windsor, CO
Weld County, CO
17. Slacker Half Marathon
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Jun 22, 2024Saturday
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13.1M, 4M run | 13.1M relay
More Information
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Georgetown, CO
Clear Creek County, CO
18. July 4th ROCK-IT Run
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Jul 4, 2024Thursday
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13.1M, 5K run | 13.1M relay | kids run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
19. Longmont Half & 5k
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Jul 4, 2024Thursday
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13.1M, 5K run
More Information
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Longmont, CO
Boulder County, CO
20. All-Out Dog Days
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Jul 13, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Westminster, CO
Adams County, COJefferson 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.