For the last 30 years, adrenaline junkies have been braving mud, fire and electric shocks in what has been described as the world's toughest one-day race. This year's Tough Guy Challenge – an epic obstacle course run along a muddy 15km course on a farm near Wolverhampton – was the last one ever. Competitors faced 250 obstacles, including a 40ft vertical wall climb, an underwater tunnel and a series of concrete pipes fixed with hanging electric wires.
Billy Wilson, a former soldier who created the obstacle course in 1987 and who goes by the name of Mr Mouse, has decided to put a stop to the annual challenge. Instead, he wants to turn it over to a non-profit charity to run. The money raised by the competitors goes towards the Horse Sanctuary charity, which aims to help unwanted, elderly or injured horses and donkeys.