Hey Runners! We are working long hours to update races that are cancelled, TBD, postponed, and/or converted to virtual due to COVID-19.

We are making progress every day. Thanks for your patience.

October Races in Colorado

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1. AppleFest 5K
2. Aspen parkrun
3. Black Canyon Triathlon
4. Castle Rock Trail Festival
5. Castlewood Canyon Fun Run
6. Crested Butte Ultra
7. Emerald Mountain Trail Run
8. Glenwood Canyon Shuffle
9. Just for J Superhero 5K
10. Louisville Trail Race
11. Nielson Two Mile Challenge
12. Rim To Rim Royal Gorge Race Weekend
13. Runway 5K Run for the Angels
14. Rut Run 5K
15. South Boulder Creek parkrun
16. Spanish Peaks Downhill Half Marathon
17. Spanish Peaks Downhill Half Marathon and 5K Fun Run
18. Boulder Beer Chase
19. Hot Chocolate 15K/5K Denver
20. Its Fall Yall 5K and K9 Canter 1M Fun 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.