On October 16-17, come to the Mile High City and celebrate the 15th running of Denver Colfax Marathon! This is the largest running weekend in the Rockies and includes a Marathon, Half Marathon, Urban 10 Miler, Marathon Relay and 5K.
COLFAX MARATHON – BRONCOS IMPACT: With the Broncos having a home game on Sunday, we’ll have our main Race Day – Marathon, Half Marathon, Urban 10 Miler and Marathon Relay on Saturday, October 16th. The 5K will be Sunday, October 17th.
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Register before September 23rd to beat the price increase and save $15 off your registration.
Click here to sign up: https://www.runcolfax.org/promotions/2021-low-prices-end-soon/?mc_cid=71874ed2a9&mc_eid=7b346d53f2