Upcoming Marathons in Colorado

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Name Open Date Close Date
With Virtual Option
1. Runs With Scissors Races
2. Colorado Marathon
3. Denver Colfax Marathon
4. REVEL Rockies
5. Steamboat Marathon
6. Estes Park Marathon
7. Silverton Alpine Marathon & 50K
8. Aspen Valley Marathon
9. Boulder Rez Marathon
10. Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
11. Autumn Run
12. Fall Equinox Marathon
13. Colorado Springs Marathon
14. Boulderthon: Downtown Boulder Marathon
15. Center of the Nation Series - Day 1
16. Windsor Marathon
17. Long View Marathon
18. Rim Rock Marathon and Half Marathon
19. Southwest Series - Day 2 - CO
20. Four Corners Quad Keyah

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.