August 10Ks in Colorado on Saturdays
1. All-Out Runapalooza
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Aug 2, 2025Saturday
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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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Past DateAug 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. Popsicle 5K/10K/Half - Colorado Springs
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Past DateAug 3, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Colorado Springs, CO
El Paso County, CO
4. Reece's Roundup
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Past DateAug 3, 2024Saturday
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10K, 5K run
More Information
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Castle Rock, CO
Douglas County, CO
5. Holy Cow Trail Stampede
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Aug 9, 2025Saturday
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10K, 5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
6. Choice City Running Festival - Mountain Avenue Mile & Human Race
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Past DateAug 10, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Fort Collins, CO
Larimer County, CO
7. Just Peachy
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Past DateAug 10, 2024Saturday
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10K, 5K run | kids run
More Information
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Palisade, CO
Mesa County, CO
8. Mt. Sneffels Half Marathon & 10K
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Aug 16, 2025Saturday
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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
9. Summer Sizzler
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Aug 16, 2025Saturday
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10K, 5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
10. Impact Uganda 5K/10K
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Past DateAug 17, 2024Saturday
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10K, 5K run
More Information
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Denver, CO
Denver County, CO
11. Boulder Sunset 10K/5K
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Past DateAug 24, 2024Saturday
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10K, 5K run
More Information
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Boulder, CO
Boulder 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.