Denver Colfax Marathon

Oakland Logo

(Saturday, October 16)
6:00 am - 3:00 pm


Ferril Lake, Denver, CO 80205

Join Denver’s largest running weekend for 2021! Choose the marathon, half marathon, or urban 10 miler and enjoy Denver’s iconic landmarks. Or create a relay team of five runners for one of the largest marathon relays in the U.S. – your team can be friends or work colleagues as we have Open, Corporate and Government divisions. Just getting started on the running scene? Try out the 5K too!