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Rocky's Backyard Ultra

Name: Rocky's Backyard Ultra
Start: 2025-10-04
End: 2025-10-04
Location: Estes Park

Estes Park, United States • 4 Oct 2025

Rocky's Backyard Ultra is a unique ultra trail race held at the YMCA of the Rockies in Estes Park, Colorado, known as the highest organized Backyard Ultra in the world. Runners complete 4.167-mile laps on a challenging singletrack course featuring about 500 feet of elevation gain and loss per lap, with altitudes ranging from 7,930 to 8,060 feet. The course skirts Rocky Mountain National Park, offering scenic views, wildlife encounters, and varied terrain including stream crossings and beaver ponds.

The race continues hourly until only one runner remains. Participants enjoy stocked aid stations, YMCA day access for their crew, and a custom beanie. The event embraces unpredictable fall weather, adding to the adventure. Visit the organization's website for the most recent information.

United States Colorado Estes Park

Race information

Website Registration

4 mi

500 m+

4.167 Miles

Visit the organization's website for the most recent information.

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