Applied Athletics

In his best-seller Born to Run, Christopher McDougall sought the secrets of the world’s greatest ultrarunners. With his new book, he again looks at extreme athletes – this time with an eye towards people using their advanced fitness in practical ways. This hour, we’ll talk to him about Natural Born Heroes: How a Daring Band of Misfits Mastered the Lost Secrets of Strength and Endurance (Knopf).