Marathon Relay

What’s better than running 26.2 miles through the Mile High City? Sharing the miles with friends!  Get a team of five to run Denver’s only 26.2 mile Marathon Relay.  We have 3 divisions in the Relay: Open (keep reading), Corporate Relay (employee teams), and Government Relay (employee teams).  See the great sites of the Mile High City on each leg – from Empower Field at Mile High to the Confluence, Sloan’s Lake, downtown, or the neighborhoods around Colfax – which one will you run?

NEW! University of Colorado

We are thrilled to announce the University of Colorado as the sponsor of the Colfax Marathon Relay!

How Does the Relay Work?

  1. Choose your division: Open, Corporate Cup, and Government Cup.
  2. Pick a captain to register your team.
  3. Register online (you don’t have to know all 5 runners when you register your team). Choose male, female or coed.
  4. Run – enjoy the training and join the Colfax Ambassadors for a group run.
  5. Check out the Relay Leg Details such as Screaming Downhill, Downtown River Trek including stadium run-through.
  6. Have fun!

Virtual Photo Tour

Cruise to the bottom of the page and take the virtual photo tour to view the fun sites along the course!

Win Money for Charity & Awards

Marathon Relay teams compete for more than $90,000 in awards for charity – 60 top teams in the Open, Corporate Cup and Government Cup divisions designate one of our eligible Charity Partners as a recipient.  Times are based on chip time (the timing chip is in the baton).  Top 3 teams in each division (Open, Corporate, Government) for Male, Female, and Coed receive awards. Click on Open, Corporate and Government to see the 2019 winners!  You must have 5 runners to be eligible for awards, and a coed team must have at least 1 runner of each sex and a total of 5 runners.

Runner Perks

Great tech shirts, car decals, and awesome finisher medals for each runner with detachable mini-medallions for your keychain or necklace. Free runner tracking and digital on-course photo!  Don’t miss the awesome afterparty and Michelob Ultra Beer Garden lakeside in City Park.

Run For Charity

Run for one of the largest Charity Partner programs in the country! Over 200 charities participated in 2019. Choose a charity to run for when you register and they will contact you.

Training & Runs

Announcing the Colfax Training Series! Our Colfax Marathon Ambassadors will join Featured Running Clubs and running store Runs with Colfax drawings for great schwag. Check the TRAINING section for the up to date calendar – and great training tips.

Packet Pick Up & Race Day Logistics

Relay Team Packet Pick Up Friday and Saturday, May 15-16, 2020 at the Health & Fitness Expo. No Race Day Packet Pick Up. Detailed race day logistics for each Relay Leg will be posted in April. And, the Relay Zone at the Expo will have experts to answer last-minute questions.

Photo Tour

Hover over each photo to learn fun facts!