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Ultra marathons in Colorado, USA

6 upcoming ultra marathons in Colorado, USA, sorted by date.

6 races

November 2026

1 race

Colorado Cold Rush Ultra

Colorado Springs, CO, US

50 km21 km10 km

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

3 races

Collegiate Peaks Trail Run

Buena Vista, CO, US

Valkyrie Trail Race

Colorado Springs, CO, US

50 km42 km30 km21 km13 km6 km

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