Half Marathons in Boulder County, CO
1. Boulder Rez Half
-
Past DateApr 13, 2024Saturday
-
13.1M, 10K, 5K run
More Information
-
Boulder, CO
Boulder County, CO
2. Longmont Half & 5k
-
Past DateJul 4, 2024Thursday
-
13.1M, 5K run
More Information
-
Longmont, CO
Boulder County, CO
3. Boulder Rez Marathon
-
Aug 3, 2024Saturday
-
26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
More Information
-
Boulder, CO
Boulder County, CO
4. Boulderthon: Downtown Boulder Marathon
-
Sep 29, 2024Sunday
-
26.2M, 13.1M, 10K, 5K run | kids run
More Information
-
Boulder, CO
Boulder County, CO
5. Arctic Prairie Dog Half - Westminster
-
Jan 19, 2025Sunday
-
13.1M, 10K, 5K run
More Information
-
Louisville, CO
Boulder County, CO
6. Colorado 13er
-
Jun 1, 2025Sunday
-
13.1M, 10K, 5K run
More Information
-
Louisville, CO
Boulder County, CO
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.
ALWAYS visit the race's website for the most complete and accurate race information.