This is it. The most extreme, insane, imposing, pulse-pounding, heart-stopping 24-hour obstacle course challenge on the planet. This is World's Toughest Mudder. The rules are simple: complete as many 5-mile laps as possible in 24 hours. Take on course-exclusive challenges, be the first to access brand-new obstacles...and you could win big. But don't say we didn't warn you...this one isn't for the faint of heart.