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!

Get the Fun Started

  1. Choose your division: Open, Corporate or Government
  2. Pick a captain to register your team (male, female, coed).
  3. Register  (you don’t have to know all 5 runners when you register )
  4. Train with friends or at a Colfax run
  5. Check out the Relay Legs such as Screaming Downhill, Downtown River Trek.
  6. Have fun!

Video and Virtual Photo Tour

Our 30 second video tells all!   Click here to check out the Relay in action.  Cruise to the bottom of the page to take a virtual photo tour of the sites on the course!

Runner Perks and 2020 Medal

Tech race shirts and awesome finisher medals with detachable mini-medallions for your keychain or necklace. Free runner tracking and digital on-course photo! Virtual race bag with great offers. Don’t miss the awesome afterparty and Michelob Ultra Beer Garden lakeside in City Park.   Want to see this great medal up close – click here!

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.   There are also Corporate Industry Awards and Public School Teacher Awards — Click on Open, Corporate or 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.

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.

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!