BOULDERTHON 10K

PRESENTED BY CHERIBUNDI

WELCOME TO THE
BOULDERTHON 10K

PRESENTED BY CHERIBUNDI

Boulderthon 10K

Date: Sunday, September 27th 2026

Start Time: 8:10AM

Experience one of Colorado’s most scenic and exciting race weekends, powered by the natural recovery benefits of Cheribundi.

Cheribundi’s all-natural tart cherry juice is scientifically proven to reduce inflammation, improve sleep, and speed up recovery. Trusted by 475+ professional and collegiate sports teams, it’s the natural recovery choice for athletes and runners.

RUNNERS LOVE OUR 10K

A fun, fast 10K through Downtown Boulder with scenic streets and an unforgettable finish on Pearl Street Mall -part of the largest running weekend in the U.S.