Backyard Ultra of Northern Utah
Mantua, United States • 30 May 2026
Event overview
The Backyard Ultra of Northern Utah is a Backyard Ultra event held at Mantua Reservoir in Mantua, Utah on May 30, 2026. The format uses a repeated loop that participants may run as many times as they wish. The event description notes spring scenery around the reservoir, including the Mantua Poppy Fields, surrounding farmland, mountain hillsides, and wildlife. Nighttime running may include headlamps around the lake.
Course details
The course is a single loop of 4.1 miles with no out-and-back sections. The trail surface is firm dirt with some gravel. Reported elevation change is about 20 feet per loop, described as flat and suitable for many runners using cushioned road shoes. Visit the organization's website for the most recent information.