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Butterfield Backyard Ultra

Herriman, United States • 16 May 2026

The Butterfield Backyard Ultra, hosted by Happy Trails Racing, takes place at Butterfield Trailhead Regional Park in Herriman, Utah, nestled near the Oquirrh Mountains and Kennecott Mine. This unique event features a 4.167-mile loop course with 512 feet of elevation gain, primarily on scenic trails. Runners complete one loop every hour for either 6 or 12 hours, with the challenge of finishing each loop within the hour to continue.

The race emphasizes camaraderie, mental and physical endurance, and a festive finish line atmosphere with food and support for friends and family. Awards include finisher medals and custom leather patch beanies for 50-mile finishers. The event fosters community spirit and encourages runners of all levels to push their limits. Visit the organization's website for the most recent information.

United States Utah Herriman

Race information

Website Registration
12 hr
6144 m+
Backyard 12hr
6 hr
3072 m+
Backyard 6hr
Visit the organization's website for the most recent information.
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