Eric Orton's experiences with the Tarahumara and his study of running, human performance, strength, and conditioning have led him to the cutting edge of the sport and made him the go-to guy for athletes everywhere. Christopher McDougall, author of the bestselling book Born to Run, is just one of the coach's many success stories. The former fitness director for the University of Colorado Health Sciences Center, Orton now personally oversees the training of dozens of athletes, from recreational racers to elite ultramarathoners.