Upcoming 10Ks within 50 miles of Fort Collins, CO on Sundays
City Location
1. Calarat Challenge Trail Running Festival
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Sep 1, 2024Sunday
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13.1M, 10K trail run
More Information
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Jamestown, CO
36 miles point to pointBoulder County, CO
2. Boulderthon: Downtown Boulder Marathon
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Sep 29, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Boulder, CO
41 miles point to pointBoulder County, CO
3. Windsor Marathon
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Oct 6, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Windsor, CO
12 miles point to pointWeld County, CO
4. MonsterDash Run - Louisville
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Oct 27, 2024Sunday
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10K, 5K trail run | kids run
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Louisville, CO
42 miles point to pointBoulder County, CO
5. Arctic Prairie Dog Half - Westminster
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Jan 19, 2025Sunday
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13.1M, 10K, 5K run
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Louisville, CO
42 miles point to pointBoulder County, CO
6. Old Man Winter Bike Rally and Run
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Feb 2, 2025Sunday
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10K, 5K run
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Lyons, CO
27 miles point to pointBoulder County, CO
7. NOCO Half Marathon & 10K
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Apr 27, 2025Sunday
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13.1M, 10K run
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Loveland, CO
13 miles point to pointLarimer County, CO
8. Colorado Marathon
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May 4, 2025Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
9. Colorado 13er
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Jun 1, 2025Sunday
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13.1M, 10K, 5K run
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Louisville, CO
42 miles point to pointBoulder 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.
