Race Day is in

COLFAX MARATHON - CALL FOR VOLUNTEERS, 15TH YEAR, NEW SCHEDULE

VOLUNTEERS:   We need you!   Volunteer as an individual, or nonprofit groups can earn money for their nonprofit!   Indoor at the Expo, Outdoor at City Park, or at a Waterstation on the course!   Click here

15th ANNIVERSARY:  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 that 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.  

DEFERRALS:  If you chose to defer to 2021, you were emailed a personalized code (non-transferrable) to register for 2021 on April 30th.

TRAFFIC CLOSURES:  Click here.

Denver Colfax Marathon Weekend Details