Duff Dog Backyard Ultra

OCT
10
2026
The Duff Dog Backyard Ultra is a "last runner standing" trail race in Blue Mounds State Park, MN. Runners must complete a 4-mile loop every hour to continue. The event continues until only one runner remains.
Sat 10 Oct 2026
Loop Distance (4 Miles 88...

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Event Overview

The Duff Dog Backyard Ultra is a "last runner standing" event. It will take place at Blue Mounds State Park near Luverne, Minnesota.

Course Details

The event uses a 4-mile, 880-foot trail loop (approximately 6.7 kilometers) within the park. The course consists of 95% grass, with some gravel and a short paved section. The loop starts precisely every hour.

Event Format and Rules

This is a Backyard Ultra format. Runners must begin each new loop on the hour. To continue, a runner must complete the loop within one hour. The winner is the last person to complete a loop. The event is open-ended, meaning it continues until only one runner remains. Competitors cannot receive personal aid during a loop and cannot leave the course except for restroom breaks.

Facilities

The runner support area provides shade and access to a shelter building. There is camping available nearby for families and friends. Visit the organization's website for the most recent information.

7 km
Loop Distance (4 Miles 880 Feet / 6.7056 Km)