Rasselbock Backyard Ultra - Hardwick Hall
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Event Format
The Rasselbock Backyard Ultra is a last-person-standing event. There is no fixed time or distance. Participants must run the same 4.161-mile (approx. 6.7 km) loop every hour, on the hour. The event continues until only one runner remains to start a lap. Participants can finish at any time.
Event Details
The 2026 event is held at Hardwick Hall Estate in Derbyshire. The course uses estate trails and farmlands. The route is described as flat, with a preliminary elevation of 69 meters. The surface is a mix of natural woodland, farmland tracks, and some tarmac. A dedicated aid station provides water, squash, cola, sweets, fruit, and cake. First aid is available on-site. There is an area for support crews.
Participation
The event had 190 places and a waitlist of over 200 for 2025. A discount is offered to runners who have completed more than 40 laps in a backyard ultra within the last two years. Visit the organization's website for the most recent information.
