The Clyde Backyard is Glasgow & Lanarkshire’s Backyard Ultra.

Complete a 6.7056 km / 4.167 mile loop within one hour.

Whatever time you have left is yours to rest, eat, drink and get ready to go again.

At the start of the next hour, everyone still in the race starts another loop.

This continues until only one runner remains.

There is no set finish time or distance.