LISTEN: Runners Prepare For Glasgow Ultramarathon
Overr 200 runners are limbering up to run along the banks of the River Clyde for a unique ultramarathon that combines the city and the countryside.
The Clyde Stride starts in Patrick in Glasgow following the famous stretch of water to New Lanark.
Competitors set off at 9am on Saturday with 150 running the entire 40 miles and 17 relay teams of 4 people also taking part.
Organiser Lee McLean: