Competitors makes their way through a water obstacle during the annual Tough Guy race “the toughest race in the world” at Perton in Staffordshire, England, Sunday January 26, 2014. Tough Guy claims to be the world's most demanding one-day survival ordeal. First staged in 1987, the Tough Guy Challenge has been widely described as one of the hardest races of it's type with up to one-third of the starters failing to finish in a typical year. (Photo by Jon Super/AP Photo)
