Latest News

2023 Photo Highlights

It isn’t easy finding a few of our favorite photos with 21,000 runners, but here are some we like!  

Cigna – Why Employees Run – Erik Harr

Cigna® is proud to be the presenting sponsor of the Denver Colfax Marathon. The Denver Colfax Marathon in the Rocky Mountains is a beautiful location and provides the opportunity to meet athletes…

Casa Bonita Joins the Denver Colfax Marathon as Volunteer Program Sponsor

Casa Bonita Joins the Denver Colfax Marathon as Volunteer Program Sponsor 1,500 volunteers will wear a limited-edition pink Casa Bonita T-shirt during the race weekend Denver, CO – Casa Bonita has partnered…

Cigna – Why Employees Run

Cigna® is proud to be the presenting sponsor of the Denver Colfax Marathon. The Denver Colfax Marathon in the Rocky Mountains is a beautiful location and provides the opportunity to meet athletes…

2023 Colfax 5K Race Shirt

Here is your 2023 Colfax 5K race shirt!  

Cigna – Vitality and Running

Cigna® is proud to be the presenting sponsor of the Denver Colfax Marathon. The Denver Colfax Marathon in the Rocky Mountains is a beautiful location and provides the opportunity to meet athletes…

Expanded and Improved Zoo Mile

There will be more animal spectators in Denver Zoo watching you run over a mile segment of the Denver Colfax Half Marathon! Here is a map showing you what’s waiting for you:

2023 Finisher Medals Completed

Your 2023 Finisher Medals are here! The Marathon, Marathon Relay, and Urban 10 Miler medals have the stadium, bridge, water, and more. The Half Marathon even has a giraffe popping out to…

Cigna – Vitality is Life

Vitality is the ability to pursue life with health, strength, and energy. It is a driver and an outcome of health and work/life engagement, and Cigna believes it is not only essential…

2023 Race Shirt

We are excited to show you your 2023 Race Shirt! This is a high quality navy frost heather soft tech shirt that puts all the focus on your accomplishment. Wear it out…