Backyard Ultra 2024 Uk Dates. Join us at gosfield school, for our back yard ultra taking place in the beautiful grounds of gosfield school in essex, uk. 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.

A backyard ultra is a form of. When each lap is completed, the.