August Classic Races within 200 miles of Boulder, CO

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All Colorado
Name Open Date Close Date
With Virtual Option
1. Boulder Stroke & Stride Series
2. BRR All Comers Summer Track and Field Series
3. New Castle Dirty Dozen Trail Running Race
4. RMRR Trophy Series - August
5. Rocky Mountain Half Marathon
6. Wild West Relay
7. All-Out Runapalooza
8. Arapahoe Warrior 5K
9. Aspen parkrun
10. Berry Picker Trail Run
11. Boulder Rez Marathon
12. Flying Colors 5K
13. Nielson Two Mile Challenge
14. Pearl Street Mile
15. Reece's Roundup
16. Rocky Mountain Half Marathon
17. Run for the Ring 5K
18. Sheep Mountain Trail Runs
19. South Boulder Creek parkrun
20. Staunton State Park 20K

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.