10Ks within 50 miles of Windsor, CO on Weekends

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All Colorado
Name Open Date Close Date
With Virtual Option
1. RMRR Trophy Series - January
2. Lucky Lyons
3. Boulder Rez Half
4. Earth Day 5K/10K
5. Great Western Trail Race
6. Time Travel Half Marathon
7. Boulder Mothers Day Run
8. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
9. Crazy Legs 10K+ Trail Run
10. Into The Wild Running Festival
11. Red, White and Brew 5K, 10K & Half Marathon
12. Boulder Sunrise 10K and 5K
13. I Can 5K with Deja Vu 10K
14. Boulder Rez Marathon
15. Choice City Running Festival - Mountain Avenue Mile & Human Race
16. Boulder Sunset 10K/5K
17. Westminster Trail Race
18. Calarat Challenge Trail Running Festival
19. All-Out Fall Fest
20. Ned Ned Run

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.