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Trail & ultra races in Colorado, USA

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

Distance

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

8 races

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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

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

Take 5 in the Garden

Colorado Springs, CO, US

Valkyrie Trail Race

Colorado Springs, CO, US

50 km42 km30 km21 km13 km6 km

Ultra marathons

Ultra marathons in Colorado, USA 6

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