Step Up – Celebrate 20 Years of Colfax!
This is more than a race—it’s a milestone. Join the Denver Colfax Marathon Race Crew and help make Year 20 unforgettable.
We are excited to announce our 2026 Volunteers are Presented by Google Fiber!
VOLUNTEER AS AN INDIVIDUAL
STEP UP. BE PART OF THE CELEBRATION.
✅ Choose from a variety of roles that are fun and high-energy!
✅ Register today and lock in your spot!
✅ Make a visible impact and feel the electric race day energy!
SIGN UP TO VOLUNTEER!
VOLUNTEER AS A GROUP
RALLY YOUR CREW. FUNDRAISE TOGETHER.
Make Year 20 a win for your organization and the community. Bring your nonprofit, school, club, church, or community group and earn a donation while supporting one of Denver’s most iconic endurance events.
How Groups Can Help:
✅ Help in key roles—relay zones, start corrals, finish line, gear check & more!
✅ Earn funds by committing and showing up
✅ Support 26,000 runners racing for charity, loved ones, and personal goals.
Team bonding, community pride, and fundraising—wrapped into one unforgettable race weekend.
Group spots fill fast! Contact Vicki Dunbar at volunteer@runcolfax.org to get your group signed up.
LEAD A WATERSTATION
Be the loudest stop on the course!
Make a high-visibility impact during Colfax’s Year 20 as a Water Station Captain. Lead one of the most energetic, crowd-favorite experiences on the course with a group of 25+ volunteers.
Why Lead aWater Station?
✔ Play a crucial role in race day success.
✔ High-energy, high impact role supporting 26,000 runners
✔ An unforgettable Year 20 experience for your team
Water stations are limited, claim yours early! Register Here Today!
Questions? Contact waterstation@runcolfax.org and volunteer@runcolfax.org to get started!
2026 Race Crew Shirt
20 Years. Serious swag. Volunteers receive an exclusive RACE CREW shirt, a mystery Year 20 volunteer gift, and a brand-new 2026 shirt design reveal on the way.
