NEW YORK, Feb 4 — Billed as the toughest race in the world, ‘Tough Guy’ contestants negotiate a brutal 13 kilometer or 8-mile route that looks a lot like an army assault course. — ReutersA competitor crawls beneath barbed wire during the Tough Guy event in Perton, central England February 1, 2015. — Reuters pic
A competitor crawls beneath barbed wire during the Tough Guy event in Perton, central England February 1, 2015. — Reuters pic