May 17, 2025
FRIDAY (16th) - Expo
SATURDAY (17th) - Colfax Marathon Expo & Colfax 5K
SUNDAY (18th) - All Other Races
Denver, CO
Races: Marathon, Half Marathon, Urban 10 Miler, Marathon Relay, Colfax 5k,

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Why We Run

Research
Advocacy
Community

Campaign Progress

$3,681 Raised
$25,000.00
$3,681/$25,000.00
14% of Goal

Colfax FAQ

Find answers to all of your questions about registering, fundraising and more.