Ultra Races in Colorado

Find upcoming ultra races in Colorado — with dates, locations, and direct registration links.

2 upcoming ultra races found in Colorado

Upcoming Ultra Races in Colorado

12 hour - Solo+5

Sep 5

Raising the Barr

Sat, September 5, 2026

Brighton, CO

View Race

Flaming Foliage Relay - 10 person Team (6-10 runners)+2

Sep 11

Flaming Foliage Relay - Idaho Springs to Buena Vista

Fri, September 11, 2026

Idaho Springs, CO

View Race