April Classic Races within 100 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
Upcoming All Dates
Specify Date Range
Start Date
End Date
Specify Distance Range
From
Unit
To
Unit
All Colorado
Name Open Date Close Date
With Virtual Option
1. Aspen parkrun
2. Run the Ranch
3. South Boulder Creek parkrun
4. Aurora Polar Plunge and 5K
5. Donut Dash 5K
6. Nielson Two Mile Challenge
7. Raptor Run
8. Run the Ranch
9. RMRR Trophy Series - April
10. Three Creeks Half Marathon
11. Aspen parkrun
12. Boulder Rez Half
13. Horsetooth Half Marathon
14. Rattler Trail Race
15. South Boulder Creek parkrun
16. Spring Fling Prairie Dog Half
17. The Diabetes Link at CU 5K Run/Walk
18. Tillman Honor Run
19. Boulder Track Series Meet 1
20. Healthy Kids Running Series - Denver

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.