10Ks within 50 miles of Estes Park, CO
City Location
Featured Listing
1. Boulderthon: Downtown Boulder Marathon
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Sep 28, 2025Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Boulder, CO
Boulder County, CO
1. RMRR Trophy Series - January
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Past DateJan 7, 2024Sunday
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10K, 5K run
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Thornton, CO
46 miles point to pointAdams County, CO
2. Lucky Lyons
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Past DateMar 9, 2024Saturday
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10K, 5K run
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Lyons, CO
17 miles point to pointBoulder County, CO
3. Boulder Rez Half
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Past DateApr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
28 miles point to pointBoulder County, CO
4. Earth Day 5K/10K
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Past DateApr 20, 2024Saturday
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10K, 5K run | kids run
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Loveland, CO
24 miles point to pointLarimer County, CO
5. Great Western Trail Race
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
37 miles point to pointWeld County, CO
6. Time Travel Half Marathon
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
7. 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
46 miles point to pointAdams County, CO
8. Boulder Sunrise 10K and 5K
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Past DateJun 23, 2024Sunday
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10K, 5K run
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Boulder, CO
28 miles point to pointBoulder County, CO
9. I Can 5K with Deja Vu 10K
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Past DateJul 13, 2024Saturday
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10K, 5K run
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Brighton, CO
46 miles point to pointAdams County, CO
10. 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
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Boulder, CO
28 miles point to pointBoulder County, CO
11. 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
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Fort Collins, CO
28 miles point to pointLarimer County, CO
12. Boulder Sunset 10K/5K
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Past DateAug 24, 2024Saturday
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10K, 5K run
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Boulder, CO
28 miles point to pointBoulder County, CO
13. Superhero Event
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Past DateSep 21, 2024Saturday
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10K, 5K, 1M run | kids run
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Greeley, CO
44 miles point to pointWeld County, CO
14. Golden Gallop
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Past DateSep 22, 2024Sunday
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10K, 5K run | kids run
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Golden, CO
46 miles point to pointJefferson County, CO
15. Not So Flatt Breast Cancer Awareness Run/Walk
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Past DateOct 5, 2024Saturday
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10K, 5K run
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
16. Windsor Marathon
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Past DateOct 6, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Windsor, CO
34 miles point to pointWeld County, CO
17. The Pretzel Run Colorado
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Past DateOct 12, 2024Saturday
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10K, 5K run | kids run
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Louisville, CO
34 miles point to pointBoulder County, CO
18. Eerie Erie
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Oct 26, 2024Saturday
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10K, 5K run | kids run
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Erie, CO
34 miles point to pointWeld County, CO
19. All-Out Kooky-Spooky
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Oct 27, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Golden, CO
46 miles point to pointJefferson County, CO
20. Longmont Turkey Trot
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Nov 9, 2024Saturday
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10K, 2M run
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Longmont, CO
27 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.