Discover the secrets for super endurance -- from one of the fittest men on the planet! Dean Karnazes has run 350 continuous miles through three sleepless nights, ordered pizza during long runs, and inspired fans the world over with his adventures. So what does a guy like this do when he wants to face the ultimate test of endurance? He runs 50 marathons in 50 states-in 50 consecutive days. With little more than a road map and a caravan packed with fellow runners and a dedicat