September Races in Colorado

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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.

Featured Listing
1. Fall Equinox Marathon
1. 10K at 10,000 Feet Trail Run
2. Calarat Challenge Trail Running Festival
3. Denver Broncos 7K
4. Orangetheory 5K at Labor Day Lift Off
5. Wine Run 5K at Holy Cross Abbey
6. Labor Day Half Marathon
7. Oak Creek No Fun Run
8. Breck Crest Mountain Marathon
9. Lakewood Trail Series
10. Roost Rebellion Relays
11. Flaming Foliage Relay
12. Alberta Peak Challenge
13. Historic Elizabeth Main Street 5K
14. Aspen parkrun
15. Black Squirrel Half Marathon
16. Blue Shoe Run for Prostate Cancer
17. Cirque Series - Arapahoe Basin
18. Desert's Edge Triathlon
19. Devil on the Divide
20. Harvest Moon Long Course Triathlon

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.