Marathon will close some streets

Denver Colfax Marathon Logo

Colfax Avenue from I-25 to Garrison Street in Lakewood will be closed between 5 and 11 a.m. This may affect traffic, access and parking during this time.

The marathon route in Lakewood will take runners along West Colfax Avenue, turning north on Pierce Street, traveling through Rocky Mountain College of Art + Design, returning to Pierce and heading north to West 20th Avenue. The runners return to Colfax at Glen Moor Drive, heading east, remaining in the westbound lanes of Colfax Avenue.

Crossing traffic will be allowed by law enforcement at select locations along 20th Ave when runners are not present.

See a map

Visit the marathon website for complete details about the event, including runner info, registration, volunteering, types of races and more.


  • Sunday, May 19, 2024 | 05:00 AM - 11:00 AM