Denver Colfax Marathon 2025

May 17-18, 2025
Denver, CO
Already Signed Up to Run?

Two Days | Eight Races | Live Music
Food and Beer Garden

Colfax Runners

About the Event

This is our fourth year to be a charity partner and our participation and the funds we raise continue to grow! Last year we had 130 runners and raised $16,000 which allowed us to start Carley’s Closet programs at both Children’s Hospital Colorado and Rocky Mountain Children’s.

Carley, our inspiration for Rutledge Cancer Foundation, was an avid runner and Colfax weekend was always her favorite!

While the race registration funds go directly to Colfax, there are many ways to help Rutledge Cancer Foundation raise much needed funds for the adolescents and young adults (AYAs) with cancer in the greater Denver area.

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