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Denver Colfax Marathon Weekend

A group of runners standing at the start line of the Colfax Marathon
City Park
2001 Colorado Blvd
Denver, CO 80205
www.runcolfax.org
Date:
May 17, 2025 to May 18, 2025
Cost:
Learn more by visiting our site

Largest running weekend in The Rockies is in Denver May 17-18. Kickoff the weekend with the 5K. Sunday choose from Denver’s only Marathon, Half Marathon with a mile through Denver Zoo, 10 Miler, or team of 5 for the Relay.

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