← All races in the USA

Race Calendar

Trail & ultra races in Colorado, USA

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

Distance

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

11 races

November 2026

2 races

Colorado Cold Rush Ultra

Colorado Springs, CO, US

50 km21 km10 km

WP Elite Turkey Trot and Ruck

Woodland Park, CO, US

December 2026

1 race

Santa's Summit Slam

Estes Park, CO, US

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

4 races

Take 5 in the Garden

Colorado Springs, CO, US

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