Harvey Lewis smashes backyard ultra world record at Big’s

The American completed 108 yards—more than 724 kilometres—over five days, thanks to an assist from Canada’s Ihor Verys

Belgian runner sets Backyard Ultra world best with 90 laps (600+ km)

Merijn Geerts ran a total of 90 laps over a 6.7-kilometre course every hour on the hour

U.K. runners set new Backyard Ultra world record

John Stocker and Mathew Blackburn both beat Belgian runner Karl Sabbe’s previous record of 312.5 miles in 75 hours