Denver Colfax Marathon – Postponing

Race Technical Difficulty Score (RTDS) = 1 Half Marathon / 3 Full Marathon

Join Denver’s largest running weekend for 2020! 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!

may, 2020

sun17may3:43 pm3:43 pmDenver Colfax Marathon - Postponing


(Sunday) 3:43 pm - 3:43 pm


Denver Colfax Marathon

City Park Denver Colorado

To learn more, visit our Frequently Asked Questions page.  FAQ