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Duff Dog Backyard Ultra

Luverne, United States • 11 Oct 2025

The Duff Dog Backyard Ultra is an endurance running event held at Blue Mounds State Park near Luverne, Minnesota. The race features a runner-friendly loop course primarily on grass trails, with some gravel and a short paved section, covering 4 miles 880 feet (6.7 km) per loop. Participants run one loop every hour, starting precisely on the hour, continuing until only one runner remains.

The event offers shaded support areas and nearby camping for spectators. Strict rules govern the race format, including no personal aid during loops and no artificial aids. The race is open-ended, with the last runner standing declared the winner. Visit the organization's website for the most recent information.

United States Minnesota Luverne

Race information

Registration Facebook
6 km
4 Miles (6.7056 Kilometers)
Visit the organization's website for the most recent information.
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