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Backyard Ultra of Northern Utah

Name: Backyard Ultra of Northern Utah
Start: 2026-05-30
End: 2026-05-30
Location: Mantua

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.

United States Utah Mantua

Race information

Website Registration

4 mi

Backyard Ultra

Visit the organization's website for the most recent information.

Trail runs nearby

Thu - Thu Apr-Sep 9-17

O-Sho Trail Series

Ogden

5 km

Three evening 5k trail races in Ogden on the Bonneville Shoreline Trail starting at the 27th Street trailhead. Fields are capped at 75 per race and top three finishers earn awards in each gender category.

Saturday Apr 11

5K HOPstacle Run

Nibley

Mud Run / Obstacle Run

1 mi

5 km

Experience a festive morning at Virgil Gibbons Heritage Park featuring a 5K with optional obstacles and a 1 mile Rabbit Run. This event offers various prize categories for stroller runners, leashed canines, and creative costumes.

Saturday Apr 25

Coldwater Traverse

Ogden

11 mi

16 mi

Trail races near Ogden, Utah on April 25, 2026, following the Bonneville Shoreline Trail with 16 mile and 11 mile options; registration closes April 12 at 11:59 PM MT.

Saturday May 30

Coldwater In Your Veins

Backyard Ultra

A Last Person Standing trail event in North Ogden where runners repeat a 7.7 mile loop with 1,200 feet of climb each loop until only one runner remains; crew space and basic amenities are provided at the Horse Corral.