Denver Colfax Marathon returns this weekend

May 16, 2024, 3:55 PM | Updated: 3:55 pm

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More than 21,000 runners are expected to participate in the 18th Denver Colfax Marathon this weekend. The races include a marathon, half marathon, 10 miler, 5K and the nation’s largest marathon relay.

It begins Friday, May 17, with the Denver Colfax Marathon Expo. It starts at Empower Field and Mile High and is expected to welcome 36,000 runners, family, friends and the public.

All races are on Sunday with the exception of the 5K. Two race lengths have sold out and others are nearing capacity.

Get all the details here.

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