May 10Ks within 50 miles of Castle Rock, CO
City Location
1. Donot Stop
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May 10, 2025Saturday
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10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Thornton, CO
35 miles point to pointAdams County, CO
2. Colorado Friends of First Responders Annual Run
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Past DateMay 11, 2024Saturday
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10K, 5K run
More Information
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Littleton, CO
18 miles point to pointArapahoe County, CO
3. Colorado Friends of First Responders
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Past DateMay 11, 2024Saturday
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10K, 5K run | kids run
More Information
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Littleton, CO
18 miles point to pointArapahoe County, CO
4. Colorado Women's Classic - Westminster
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May 11, 2025Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
33 miles point to pointAdams County, COJefferson County, CO
5. Donot Stop
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May 11, 2025Sunday
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10K, 5K run | kids run
Virtual OptionMore Information
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Colorado Springs, CO
37 miles point to pointEl Paso County, CO
6. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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Past DateMay 11, 2024Saturday
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10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
37 miles point to pointEl Paso County, CO
7. High Line Canal Run
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Past DateMay 11, 2024Saturday
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10K, 5K run
More Information
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Centennial, CO
14 miles point to pointArapahoe County, CO
8. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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Past DateMay 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
35 miles point to pointAdams County, CO
9. Endure Trail Runs
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May 17, 2025Saturday
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24H, 12H, 13.1M, 10K trail run
More Information
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Divide, CO
34 miles point to pointTeller County, CO
10. Memorial Day Run & March
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Past DateMay 18, 2024Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
11. BOLDERBoulder 10K
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May 26, 2025Monday
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10K run
More Information
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Boulder, CO
49 miles point to pointBoulder County, CO
12. Angel Run
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Past DateMay 27, 2024Monday
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10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
37 miles point to pointEl Paso 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.