Eat and Run : My Unlikely Journey to Ultramarathon Greatness

'Run until you can't run anymore. Then run some more. Find a new source of energy and will. Then run even faster.' The words of Scott Jurek, a dominant force - and darling - in the gruelling and growing sport of ultrarunning for more than a decade. In 1999, as a complete unknown, he took the lead in the Western States Endurance Run, a 100-mile jaunt over the Gold Rush trails of America's Sierra Nevada. He went on to win that race seven years in a row.