In 1983, a sixty-one-year-old potato farmer named Cliff Young showed up for a grueling, weeklong ultramarathon from Sydney to Melbourne—in overalls and work boots. He shuffled off the starting line as the much younger and athletic runners sprinted ahead. Soon he was miles behind. Spectators feared for his health. But that night, as the other runners slept, Cliff took a quick nap and kept going. Five days and five nights later he came in first—ten hours ahead of his closest competitor!