Denver’s Colfax Marathon

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Event Description

Denver’s Colfax Marathon returns this weekend, May 20 and 21 for 2 days, 7 races! There’s a 5K on Saturday but the main race day is Sunday and includes a Marathon, Half Marathon, Urban 10 Miler, and Marathon Relay. The Relay and 5k are still open, the other races have sold out.

The Marathon starts and ends at City Park, running through Empower Field at Mile High and along seven miles of rivers, lakes, and bridges – including Sloan’s Lake Park – in Denver and Lakewood. Prepare for road closures by reviewing the full course map.


May 20, 2023
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Colfax Marathon Partnership
View Organizer Website

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