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

Here's what we've got right now:
Cancelled or TBD Due to COVID-19
Physical Races Offering Virtual Option
These lists are updated hourly.

December Races in Colorado

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1. Jingle Bell Run - Northern Colorado
2. RMRR Trophy Series - December
3. Rudolph Ramble 5K
4. All-Out Fa La La
5. Aspen parkrun
6. ColderBOLDER
7. Colorado Brewery Running Series - Left Hand Brewing
8. Four Corners Quad Keyah
9. Nielson Two Mile Challenge
10. South Boulder Creek parkrun
11. Rock Canyon Half Marathon
12. Chasing Santa 5K
13. Chilly Cheeks Duathlon or 4 Mile Run Series
14. Santa Catch 5K
15. Summit for Life
16. Sweaty Sweater - Ugly Sweater Run/Walk
17. Jingle Bell Run - Denver
18. Jingle Bell Run - Denver
19. Aspen parkrun
20. Candy Cane Course North Denver

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.