Weekend Warriors - bbc2

The growing popularity of military-style obstacle courses, a global industry estimated to be worth more than half a billion dollars. The documentary follows five men over the length of one course - the Tough Mudder. As they attempt to conquer all 12 miles of the route, scaling 12ft walls, crawling through mud-filled trenches and submerging themselves in skips full of ice, the film also looks at their daily lives to explore why they would subject themselves to such an event in the first place