Gosfield Backyard Ultra

The Gosfield Backyard Ultra is a unique endurance running event held at Gosfield School in Essex, UK. Participants run a 4.167-mile (6.7 km) loop every hour on the hour, continuing until only one runner remains. The course is fully marked and set within the scenic school grounds, offering a challenging yet enjoyable atmosphere for runners and spectators.

Facilities include a camping area, aid station with drinks and snacks, changing rooms, showers, and toilets. The event emphasizes pacing strategy and self-sufficiency, with strict rules on timing and support. Finishers receive a memento, and the winner earns a special prize plus £150. Visit the organization's website for the most recent information.