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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 an exciting ultra trail running event held at the YMCA of the Rockies in Estes Park, Colorado. This unique race format challenges participants to complete a 4.167-mile loop every hour until only one runner remains. The course features stunning Rocky Mountain scenery, with approximately 500 feet of elevation gain per lap.

The event is designed for both competitors and their families, offering various activities at the YMCA. Participants can expect unpredictable weather in October, adding to the adventure. Each runner receives a custom beanie, and awards are given for finishers and DNF participants. 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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...

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