Cigna Denver Colfax Marathon
- When
- Sat, May 16, 2026, 4:00 AM
- Where
- Denver, US
- Distances
- 5K · 10 Mile · Half Marathon · Marathon
- Terrain
- ROAD
- Typical weather
- Cool
- Organizer
- Colfax Marathon Partnership
About
Held on Sunday, 17 May 2026, the Half Marathon offers a unique course through Denver, including a memorable mile through the Denver Zoo, organized by the Colfax Marathon Partnership.