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Butterfield Backyard Ultra

Herriman, United States • 17 May 2025

The Butterfield Backyard Ultra is a unique ultramarathon held at Butterfield Trailhead Regional Park in Herriman, Utah. Participants run a 4.167-mile trail loop every hour, aiming to complete as many loops as possible within 12 or 24 hours. The race emphasizes camaraderie, strategy, and endurance, with the final timed loop determining overall winners.

Runners who complete at least one loop receive a medal, while those reaching 50 or 100 miles earn custom beanies. The event offers a festive atmosphere with support for friends and family, and features scenic trails, food, and community spirit. It’s designed for runners of all levels seeking a challenging and memorable outdoor experience. Visit the organization's website for the most recent information.

United States Utah Herriman

Race information

Website Registration
100 mi
3725 m+
Backyard 24hr - 100 Miles
50 mi
1870 m+
Backyard 12hr - 50 Miles
Visit the organization's website for the most recent information.
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