August Half Marathons in Colorado
City Location
1. 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
2. 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
3. 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
4. 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
5. 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
6. Aspen Backcountry Marathon
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Past DateAug 5, 2023Saturday
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26.2M, 13.1M trail run
More Information
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Aspen, CO
Pitkin County, CO
7. 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
8. 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
9. Human Race
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Aug 10, 2024Saturday
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13.1M, 10K, 5K run | kids run
More Information
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Fort Collins, CO
Larimer County, CO
10. 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
11. Turkey Springs Showdown Trail Races
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Aug 10, 2024Saturday
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13.1M, 10K trail run
More Information
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Pagosa Springs, CO
Archuleta County, CO
12. 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
13. 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
14. 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
15. Erie Half & 5K
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Aug 18, 2024Sunday
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13.1M, 5K run
More Information
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Erie, CO
Weld County, CO
16. Byers Peak Stampede
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Aug 24, 2024Saturday
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13.1M, 5K trail run
More Information
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Winter Park, CO
Grand County, CO
17. Staunton Rocks! Marathon & Half
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Aug 24, 2024Saturday
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26.2M, 13.1M trail run
More Information
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Pine, CO
Jefferson County, CO
18. Thirsty 13 Half Marathon
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Aug 24, 2024Saturday
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13.1M run
More Information
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Durango, CO
La Plata County, CO
19. Westminster Trail Race
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Aug 24, 2024Saturday
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13.1M, 10K, 5K trail run
More 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.