January Races within 100 miles of Boulder, CO

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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. New Years Rockn' Run
2. Rescue Run
3. Resolute Runner 5K
4. Aspen parkrun
5. Nielson Two Mile Challenge
6. Resolve 5K/10K
7. South Boulder Creek parkrun
8. Six Pack Series Winter
9. Snow Mountain Ranch Classic
10. Winter Six Pack Series - Highlands Ranch 1M/5K
11. RMRR Trophy Series
12. All-Out Polar Prowl
13. Aspen parkrun
14. Chilly Cheeks Duathlon or 4 Mile Run Series
15. Six Pack Series Winter
16. South Boulder Creek parkrun
17. Winter Series
18. Lafayette Oatmeal 5K
19. Resolution Brew Run With Resolute Brewing Company
20. Winter Six Pack Series - Highlands Ranch 2M/5K

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.