May 10Ks within 200 miles of Glenwood Springs, CO
1. 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
139 miles point to pointLarimer County, CO
2. 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
127 miles point to pointAdams 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
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Littleton, CO
122 miles point to pointArapahoe County, CO
4. Colorado Friends of First Responders Annual Run
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Past DateMay 11, 2024Saturday
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10K, 5K run
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Littleton, CO
122 miles point to pointArapahoe County, CO
5. Colorado Women's Classic - Westminster
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May 11, 2025Sunday
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10M, 10K, 5K run | kids run
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Women Only
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Westminster, CO
123 miles point to pointAdams County, COJefferson County, CO
6. 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
141 miles point to pointEl Paso County, CO
7. 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
141 miles point to pointEl Paso County, CO
8. High Line Canal Run
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Past DateMay 11, 2024Saturday
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10K, 5K run
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Centennial, CO
130 miles point to pointArapahoe County, CO
9. Boulder Mothers Day Run
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Past DateMay 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
113 miles point to pointBoulder County, CO
10. 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
127 miles point to pointAdams County, CO
11. Endure Trail Runs
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May 17, 2025Saturday
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24H, 12H, 13.1M, 10K trail run
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Divide, CO
122 miles point to pointTeller County, CO
12. Habitat Archuleta's 15 Homes in 5
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May 17, 2025Saturday
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10K, 5K, 1M run
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Pagosa Springs, CO
158 miles point to pointArchuleta County, CO
13. Samson's Revenge Trail Race
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May 17, 2025Saturday
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55K, 27K, 10K trail run
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Estes Park, CO
111 miles point to pointLarimer County, CO
14. 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
131 miles point to pointDouglas County, CO
15. Spirit Challenge
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Past DateMay 18, 2024Saturday
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10K, 5K run | kids run
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Steamboat Springs, CO
70 miles point to pointRoutt County, CO
16. BOLDERBoulder 10K
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May 26, 2025Monday
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10K run
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Boulder, CO
113 miles point to pointBoulder County, CO
17. 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
141 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.