The Breakheart Backyard Ultra

An inaugural backyard ultra in Breakheart Quarry where runners complete a 4.167-mile loop every hour, on the hour, until only one runner remains.

The Breakheart Backyard Ultra is a backyard ultra endurance race set in Breakheart Quarry nature reserve in the Cotswolds. Competitors run a 4.167-mile mixed woodland and quarry trail loop every hour, on the hour, continuing until only one runner remains.

Runners can use any time saved each lap to recover, refuel and prepare for the next hour’s start, combining strategy and resilience with a sociable event atmosphere.

Date: Sat 12 Jun 2027
Start time: 09.00am
Location: Breakheart Quarry, Dursley, Gloucestershire
Price: £85
Age: 18+
Format: 4.17 miles trail running, multiple laps, no cut-off time

Highlights

• Backyard ultra format: racing continues until one runner is left standing
• Cotswold trails through quarry, woodland and sculpture paths
• On-site camping and facilities

What’s included

• Camping
• Chip timing
• GPS tracking
• Medal (optional)
• Drinks and snacks