Running: Marathon Relay
Denver, Colorado
May 20th, 2023 
City Park, Denver, CO
The Colfax Marathon is a Running race in Denver, Colorado consisting of a Marathon Relay.
Run through Denveras best landmarks in the Colfax Marathon with 7 different races to choose from!! Join Colorado's big running community reunion and achieve your goals on these flat courses!
Run 26.2 epic miles through the Broncos Stadium at Mile High, around Sloans Lake, along the Platte River, and back through the streets of Denver. Divide up the marathon course with a team of 5 for the Marathon Relay to win some money for charity!
The wild Half Marathon takes you on a one-mile trek through Denver Zoo (only race allowed!), through Aurora Fire Station #1, and down the flat shady course to the finish.
The Urban 10
Claim this race to update race dates, course descriptions, upload race pictures, and more.
CLAIM RACEWe try to keep race listings up-to-date, but sometimes miss updates. Click below to submit updated race information and details.
SUBMIT UPDATE