July Half Marathons in Colorado
1. July 4th ROCK-IT Run
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Jul 4, 2025Friday
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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. All-Out Dog Days
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Jul 12, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Westminster, CO
Adams County, COJefferson County, CO
3. Aspen Valley Marathon
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Past DateJul 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
4. Prairie Dog Half and 10K - Castle Rock
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Jul 19, 2025Saturday
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13.1M, 10K, 5K run
More Information
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Castle Rock, CO
Douglas 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.