August Races within 50 miles of Boulder, CO

Clear your browsing data in order to view the new map.
Saturday Sunday Monday Tuesday Wednesday Thursday Friday Multiple
Sat Sun Mon Tue Wed Thu Fri Multiple
Hide 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. Ironman 70.3 Boulder
3. South Boulder Creek parkrun
4. Colorado Cancer Foundation Run for the Cure
5. RMRR Trophy Series
6. CO Brewery Running Series - Bruz Beers
7. Evergreen Trail Racing Series - Staunton State Park
8. Fit Foodie 5K - Denver
9. Funnel Cake 5K
10. HRCA Splash Mash Dash Kids Triathlon
11. Run for the Ring 5K
12. Tri for the Cure - A Women's Triathlon
13. Visit Estes Park Half of the Rockies
14. Winter Park Half Marathon
15. Adelante 5K
16. Arapahoe Basin Trail Running Series #2
17. CO Brewery Running Series - Two22 Brew
18. Evergreen Town Race
19. Xterra Trail Race - Castle Rock Colorado
20. Wild West Relay

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.