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. 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
2. 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
3. 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
4. Aspen Valley Marathon
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Jul 13, 2024Saturday
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26.2M, 13.1M, 5K run
More Information
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Boston Marathon Qualifier
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Aspen, CO
Pitkin County, CO
5. Prairie Dog Half and 10K - Castle Rock
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Jul 20, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
6. All-Out Runapalooza
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
7. Boulder Rez Marathon
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Aug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
More Information
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Boulder, CO
Boulder County, CO
8. Popsicle 5K/10K/Half - Colorado Springs
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Colorado Springs, CO
El Paso County, CO
9. Rocky Mountain Half Marathon
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Aug 3, 2024Saturday
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13.1M run
More Information
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Estes Park, CO
Larimer County, CO
10. Sheep Mountain Trail Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
More Information
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Fairplay, CO
Park County, CO
11. Emerald Mountain Epic
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Aug 4, 2024Sunday
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26.2M, 13.1M trail run
More Information
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Steamboat Springs, CO
Routt County, CO
12. I'm Bound for Boston Marathon & Half Marathon - Denver
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Aug 4, 2024Sunday
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26.2M, 13.1M run
More Information
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Denver, CO
Denver County, CO
13. Choice City Running Festival - Mountain Avenue Mile & Human Race
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Aug 10, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Fort Collins, CO
Larimer County, CO
14. Georgetown to Idaho Springs Half Marathon
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Aug 10, 2024Saturday
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13.1M run
More Information
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startGeorgetown, COfinishIdaho Springs, COClear Creek County, COClear Creek County, CO
15. Hometown Half Marathon
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Aug 10, 2024Saturday
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13.1M, 10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
16. Run the Rockies Trail Race
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Aug 10, 2024Saturday
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13.1M, 10K trail run
More Information
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Frisco, CO
Summit County, CO
17. Turkey Springs Showdown Trail Races
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CancelledAug 10, 2024Saturday
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13.1M, 10K trail run
More Information
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Pagosa Springs, CO
Archuleta County, CO
18. Hometown Half Marathon
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Aug 11, 2024Sunday
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13.1M, 10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Westminster, CO
Adams County, COJefferson County, CO
19. Dynafit Half Marathon
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Aug 17, 2024Saturday
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13.1M, 5K run
More Information
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Vail, CO
Eagle County, CO
20. Mt. Sneffels Half Marathon & 10K
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Aug 17, 2024Saturday
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13.1M, 10K run | kids run
More Information
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Boston Marathon Qualifier
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Ouray, CO
Ouray 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.
