The Breakheart Backyard Ultra

An inaugural backyard ultra at Breakheart Quarry in the Cotswolds where runners complete a 4.167-mile loop every hour until only one remains, with camping and on-site facilities.

The Breakheart Backyard Ultra is a backyard ultra endurance race at Breakheart Quarry nature reserve in the Cotswolds. Competitors run a 4.167-mile mixed trail loop every hour, on the hour, continuing until only one runner remains. The event pairs an open-ended format with camaraderie and on-site facilities including camping.

• Date: Saturday 12 June 2027
• Start time: 09.00am
• Location: Breakheart Quarry, Dursley, Gloucestershire
• Loop distance: 4.17 miles (trail)
• Eligibility: Age 18+
• Includes: Camping, chip timing, GPS tracking, medal, snacks/drinks