The PWR Endure Backyard Ultra Marathon is a last-one-standing endurance challenge held in the grounds of Tockington Manor. Designed around the classic Backyard Ultra format, runners complete a 4.167-mile loop every hour on the hour, continuing until only one athlete remains. The event blends physical endurance, strategy, self-management and mental grit in a supportive but competitive environment.

Key Details

Date: 2027 Date TBC
Start Time: 10:00
Location: Tockington Manor School, Tockington, Bristol

Event Type

Backyard Ultra — 4.167-mile loops completed every hour, unlimited laps until a single finisher remains.

Format & Rules

• A new lap begins every hour.

• You must be in the starting corral when the next lap begins or you are eliminated.

• The event continues until one runner completes a lap alone.

• A maximum of 30 hours is available before a final “shotgun finish” loop is used to determine the winner if more than one runner remains.

What’s Included

• Fully marked looped course

• Event marshals and support team

• Toilets and base-camp area

• Space for runners’ personal tents and crew

• Parking on site

Additional Information

• Runners must be self-sufficient between loops, supplying their own food, hydration, kit, and shelter.

• Participants may bring a support crew/handler.

• Suitable for experienced ultrarunners as well as endurance athletes seeking a new format.

• Part of the event proceeds support Muscular Dystrophy UK.