Upcoming Races within 50 miles of Windsor, CO
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
City Location
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
1. Carbon Valley Half Marathon
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May 11, 2024Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
More Information
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Firestone, CO
25 miles point to pointWeld County, CO
2. CMRA Tucker Lake 6.5 Mile
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May 11, 2024Saturday
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6.5M run
More Information
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Arvada, CO
48 miles point to pointJefferson County, CO
3. Colorado Brewery Running Series
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May 11, 2024Saturday
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5K run
More Information
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Northglenn, CO
41 miles point to pointAdams County, CO
4. Girls on the Run 5K
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May 11, 2024Saturday
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5K run
More Information
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Longmont, CO
24 miles point to pointBoulder County, CO
5. Healthy Kids Running Series - Fort Collins
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May 11, 2024Saturday
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kids run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
6. Quad Rock 50
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May 11, 2024Saturday
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50M, 25M trail run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
7. Run Like A Mother 5K
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May 11, 2024Saturday
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5K run
More Information
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Cheyenne, WY
46 miles point to pointLaramie County, WY
8. South Boulder Creek parkrun
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May 11, 2024Saturday
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5K run
More Information
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Boulder, CO
38 miles point to pointBoulder County, CO
9. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
More Information
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Boulder, CO
38 miles point to pointBoulder County, CO
10. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
11. Frank Shorter Track Classic
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May 12, 2024Sunday
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track meet
More Information
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Longmont, CO
24 miles point to pointBoulder County, CO
12. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
42 miles point to pointAdams County, CO
13. Dash & Dine 5K Series
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May 14, 2024Tuesday
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5K run
More Information
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Boulder, CO
38 miles point to pointBoulder County, CO
14. Know. Grow. GO RUN 5K
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May 17, 2024Friday
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5K run
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Loveland, CO
11 miles point to pointLarimer County, CO
15. Colorado Brewery Running Series
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May 18, 2024Saturday
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5K run
More Information
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Lafayette, CO
35 miles point to pointBoulder County, CO
16. Dog Jog 5K
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May 18, 2024Saturday
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5K run
More Information
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Cheyenne, WY
46 miles point to pointLaramie County, WY
17. Healthy Kids Running Series - Fort Collins
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May 18, 2024Saturday
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kids run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
18. South Boulder Creek parkrun
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May 18, 2024Saturday
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5K run
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Boulder, CO
38 miles point to pointBoulder County, CO
19. Healing Warriors Program 5K Fun Run
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May 19, 2024Sunday
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5K run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
20. Miles for Smiles 5K
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May 19, 2024Sunday
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5K run | kids run
More Information
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Arvada, CO
48 miles point to pointJefferson 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.