Backyard Ultra Schedule 2024 Tickets. Introducing, the london backyard ultra! The backyard ultra is a form of ultramarathon race where competitors must consecutively run the distance of 4.167 miles (6.706 kilometers) in less than one hour.
Backyard ultra is a form of ultramarathon race where competitors must consecutively run the distance of 6706 meters (4.167 miles) in less than one hour. So come and have a crack at the inaugural breakheart backyard ultra, located in the stunning cotswold countryside in.
