Duff Dog Backyard Ultra

Race Details

Welcome to the 2025 Duff Dog Backyard Ultra. The event will be held at the Blue Mounds State Park near Luverne MN. The very runner friendly loop course will utilize the established trail system at the park. The course will be 95% grass, a little gravel and a short stretch on paved path. The runner support area will have plenty of shade and a shelter building to use if the weather gets a little chilly at night. There is also plenty of nearby camping available just off the course for family and friends to use throughout the event.

Rules for the Backyard Ultra

• 1) Course: Loop or out and back. Must be 4 miles 880 feet in length (6.7056 kilometers).
• 2) Starting Corral: Measured to fit entire starting field. Corral stays the same size thru out the event. Participants must be in the starting corral at the bell.
• 3) Starts: Each loop starts precisely 1 hour after the last. Warning must be given 3, 2, and 1 minutes prior to start. All competitors must start at the bell (no late starts).
• 4) Loops: Except for restrooms, competitor may not leave the course until each loop is completed. No non-competitors on the course (including eliminated runners). No personal aid during a loop (common aid stations are allowed). Each loop must be completed within an hour to be counted… including the final lap. No artificial aids (including trekking poles). Slower runners must allow passes.
• 5) Timing: Timing of the loops is optional.
• 6) Winner/Results: The winner is the last person to complete a loop. All others are technically DNF. Results of each runner in terms of distance covered are to be given. If no runner can complete one more loop than anyone else, there is no winner.
• 7) Cap: Race must be open ended.

Registration Information

Registration closes: Fri, Oct 9 @ 11:59 PM CT

Early Bird Price (before May 31): $60.00 ($66.25 incl. taxes & fees)

Price after May 31: $75.00 ($82.18 incl. taxes/fees)