In the six years since former Wall Street trader and ultraendurance athlete Joe DeSena, 47, debuted the first Spartan Race, nearly 3 million people have completed one of his obstacle races. Aft er finishing a grueling gauntlet of running, climbing ropes, throwing spears, dragging tires, and crawling under barbed wire, participants usually cross the finish line muddy, bloody, exhausted, and, most important, with an immense sense of accomplishment. That’s by design. DeSena’s personal philosophy, which he laid out in his first book, the New York Times bestseller Spartan Up!, is that the events are devised to yield rewards far greater than physical fitness— they’re literally intended to prepare you to better handle the obstacles of everyday life. So what’s the his new book, Spartan Fit!, about? We rang DeSena up…
