Butterfield Backyard Ultra
Herriman, United States • 16 May 2026
The Butterfield Backyard Ultra is a trail running event held at Butterfield Trailhead Regional Park in Herriman, Utah, featuring a 4.167-mile loop with 512 feet of elevation gain. 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 course offers scenic views through dense foliage and smooth trails.
The event fosters a supportive, community atmosphere with a lively finish line area for friends and family. Awards include finisher medals and custom leather patch beanies for 50-mile finishers. The race emphasizes camaraderie, mental toughness, and strategic pacing on a well-marked trail. Visit the organization's website for the most recent information.