September 5Ks in Colorado

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Name Open Date Close Date
With Virtual Option
1. 10K at 10,000 Feet Trail Run
2. Orangetheory 5K at Labor Day Lift Off
3. Wine Run 5K at Holy Cross Abbey
4. Labor Day Half Marathon
5. Calarat Challenge Trail Running Festival
6. Aspen parkrun
7. RexRun For PAWSitivity 5K Trail Run/Walk
8. South Boulder Creek parkrun
9. Denver Rocks Run 5K/10K
10. RMRR Trophy Series - September
11. Bark & Brew 5K
12. Blue Shoe Run for Prostate Cancer
13. Ned Ned Run
14. Summit Up Trail Run
15. Waneka Classic
16. 9/11 Heroes Run - Denver
17. Tiger Prowl
18. Arapahoe County 5K Trail Run
19. All-Out Fall Fest
20. Aspen parkrun

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.