August Half Marathons in Colorado
Colorado Springs, CO
Hometown Half Marathon
Aug 10, 2024
Durango, CO
Thirsty 13 Half Marathon
Aug 24, 2024
Idaho Springs, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Georgetown, CO
Georgetown to Idaho Springs Half Marathon
Aug 10, 2024
Steamboat Springs, CO
Emerald Mountain Epic
Aug 4, 2024
Winter Park, CO
Byers Peak Stampede
Aug 24, 2024
Erie, CO
Erie Half & 5K
Aug 18, 2024
Vail, CO
Dynafit Half Marathon
Aug 17, 2024
Aspen, CO
Aspen Backcountry Marathon
Aug 5, 2023
Frisco, CO
Run the Rockies Trail Race
Aug 10, 2024
Arvada, CO
All-Out Runapalooza
Aug 3, 2024
Estes Park, CO
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Boulder, CO
Boulder Rez Marathon
Aug 3, 2024
Fairplay, CO
Sheep Mountain Trail Runs
Aug 3, 2024
Pagosa Springs, CO
Turkey Springs Showdown Trail Races
Aug 10, 2024
Fort Collins, CO
Choice City Running Festival - Mountain Avenue Mile & Human Race
Aug 10, 2024
Aug 9, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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. 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
8. 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
9. 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
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.