August Races in Colorado

Show Map
Specify Date Range
Start Date
End Date

Event Category

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.

1. Boulder Stroke & Stride Series
2. Aspen parkrun
3. Atalanta 5K
4. Colorado Cancer Foundation Run for the Cure
6. High Lonesome 100
7. Ironman 70.3 Boulder
8. Nielson Two Mile Challenge
9. RMRR Trophy Series
10. Sheep Mountain 50 Mile
11. South Boulder Creek parkrun
12. Wild West Relay
13. Bec Tri
14. CO Brewery Running Series - Call to Arms Brewing
15. Denver: bRUNch At Quality Italian
16. Evergreen Trail Racing Series - Staunton State Park
17. Funnel Cake 5K
18. HRCA Splash Mash Dash Kids Triathlon
19. Kennebec Mountain Run
20. La Sportiva Berry Picker Trail 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.