April Races within 200 miles of Thornton, CO on Saturdays

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
Classic Multisport Variety Event Category

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.

All Colorado
Name Open Date Close Date
With Virtual Option
1. Aspen parkrun
2. Nielson Two Mile Challenge
3. South Boulder Creek parkrun
4. Aurora Polar Plunge and 5K
5. Baylon Michael Meyer 5K/10K Memorial Run
6. Mav Days 5K Run/Walk
7. Raptor Run
8. Run the Ranch
9. Aspen parkrun
10. South Boulder Creek parkrun
11. Boulder Rez Half
12. The Diabetes Link at CU 5K Run/Walk
13. Tillman Honor Run
14. All-Out Beat the Heat
15. Aspen parkrun
16. Rattler Trail Race
17. South Boulder Creek parkrun
18. Earth Day 5K/10K
19. Five Star Fun Run and 5K
20. Great Western Trail Race

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.