Backyard Ultra of Northern Utah

Mantua, United States • 30 May 2026

Course and Location

The Backyard Ultra of Northern Utah takes place on the Mantua Reservoir Trail in Mantua, Utah. The exact course is a 4.1-mile loop around the Mantua Reservoir, avoiding out-and-back sections. The terrain is firm dirt with some gravel. The trail is described as flat, with minimal elevation gain per loop.

Event Format and Date

The event follows the backyard ultra format, where participants complete a loop within a set time before starting the next identical loop. The event is scheduled for Saturday, May 30, 2026.

Setting and Features

The location offers views of the reservoir, surrounding green farmland, and mountain hillsides. The area is known for its Mantua Poppy Fields in the spring. The looped course allows for headlamps to be seen around the lake during nighttime running. Visit the organization's website for the most recent information.

Race information

4 mi
Backyard Ultra Loop (4.1 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

Experience a unique trail race on Antelope Island featuring rolling singletrack and views of the Great Salt Lake. Run alongside wild bison in a festival offering 25k, 50k, and 50M distances.

The Coldwater Traverse follows the scenic Bonneville Shoreline Trail in Ogden, Utah. Runners can choose between an 11-mile or a 16-mile course. The event takes place in late April.

Test your endurance in this self supported lap race where runners must complete 7.7 miles every two hours. Navigate alternating directional loops with significant elevation gain to see how many laps you can survive.

The Shoreline 10K & 5K is a scenic dirt trail run starting and finishing at First Dam in Logan. The course follows the Bonneville Shoreline Trail towards Green Canyon. Registration includes a shirt, medal, and timed results, with packet pic..