Queeny Backyard Ultra 2025 Dates. Queeny backyard ultra race in st. 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.

Winner of the 2025 edition of queeny backyard ultra will earn an entry to big dog’s. Louis sees 2 men run for 58 hours straight.