Colfax Marathon

Colfax Marathon
Date May 18, 2024 -
May 19, 2024
Distance 5k, 10mi, Half-marathon, Marathon, Relay
Course Type Road

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Race Information

The Colfax Marathon is Denver's largest running weekend. Runners get to pick from the marathon, marathon relay, half marathon, or urban 10 miler and enjoy Denver’s iconic landmarks. Just getting started on the running scene? There's a 5k for that. Finish your 26.2 into a huge post-race party with live music, food, & drinks.

A Boston Marathon qualifier, the Colfax Marathon should be on the bucket list for every runner!

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Run Pick of the Month - Slacker Half Marathon

 Over 2,000 feet of descent at this downhill half marathon happening June 22, 2024.

Slacker Half Marthon runners follow an exhilarating point to point course from the base of Loveland Ski Area (10,630 ft) to the post-race party in historic Georgetown (8,400 ft).

Participants will receive a Long Sleeve Tech Shirt, a Finisher Medal, and the joy of indulging in one free beer (non-alcoholic option available).

One addition that we really like is that they offer free downloadable race photos.

Get Slacker Half Info

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Pace Calculator

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