Get the scoop on how to make THIS YEAR a great race
- Race Weekend Events
- Cigna Denver Colfax Marathon Expo
- Elite Program – New for 2025
- 2 Day Mile High Challenge
- Double Marathon Challenge
- 5-10-15 Year Legacy Runners
- Denver – Plan your trip!
- 2025 Official Hotels
- Athletes with Disabilities
- FAQs
- Ambassador Team
- Featured Run Clubs
- Colfax Store
- Run for a Nonprofit
- Results
- Runner Photos
