Course
Last-runner-standing format at Blue Mounds State Park. Runners repeat a 4 mile 880 foot loop on established park trails, setting out on a new loop each hour until one runner remains. Surface is 95% grass with some gravel and a short paved stretch. The support area has shade and a shelter building, with common aid available between loops.
Key dates
- ★Race dayOctober 2027 · date to be announced
About
The Duff Dog Backyard Ultra is a last-runner-standing race held at Blue Mounds State Park near Luverne, in south-west Minnesota. Entrants set out on a fresh loop every hour until a single runner remains, on a course that runs almost entirely on park grass and trail.
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