← All races in the USA

Race Calendar

Trail & ultra races in Colorado, USA

6 upcoming races in Colorado, USA, sorted by date.

Distance

All Up to 21k Marathon 50–100k 100 mi+

6 races

Clear filters

January 2027

1 race

Frozen Devil's Head

Sedalia, CO, US

February 2027

1 race

Sourdough Snowshoe Race

Nederland, CO, US

April 2027

2 races

Rattler Trail Race

Colorado Springs, CO, US

50 km25 km10 km5 km

Cheyenne Mountain Trail Race

Colorado Springs, CO, US

50 km25 km11 km6 km

May 2027

2 races

Collegiate Peaks Trail Run

Buena Vista, CO, US

Valkyrie Trail Race

Colorado Springs, CO, US

50 km42 km30 km21 km13 km6 km

Ultra marathons

Ultra marathons in Colorado, USA 6

Save races, get a countdown

Favorites, maps and alerts for new races live in the app.

Download on the App Store