Denver Colfax Marathon starting line

Denver Colfax Marathon, Half Marathon, 10M & Relay

Home » Races » Colorado » Denver » Denver Colfax Marathon, Half Marathon, 10M & Relay
Date

May 18, 2025

Starting Time

6:30 AM

Course

Road

Fees

Visit website for current race fees.

Location

Denver

Participants

1,000-10,000

Terrain

Fast & Flat

Environment

Park Run

Temperature
High: 70°
/ Low: 49°
Perfect For:
Fun Run
Beginner Friendly
Destination Race
Big Finisher Party
Well Organized
Great Swag
Overview
The largest running weekend in The Rockies is back with 25,000 runners! Go for Denver’s only marathon where you go inside Empower Field at Mile High Stadium twice, along 7 miles of water, tour of Lakewood, and pass Casa Bonita. Get a team of 5 and split it up with the Marathon Relay! The Urban 10 Miler option is the last 10 miles of the Marathon course of fun.
 
The Half Marathon has your own personal safari with a mile segment through Denver Zoo, inside Denver Fire Station No. 1, by epic spots like the Capital and VooDoo Donuts, and past the dancing aliens.
 
Finish in Denver City Park with 50,000 new friends that includes your unique finisher medal, lunch, drinks, live band, picture opps, and more!

Course Description

Visit the race website for an up to date course description.

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