McDougall reveals the secrets of the world's greatest distance runners--the Tarahumara Indians of Copper Canyon, Mexico--and how he trained for the challenge of a lifetime: a fifty-mile race through the heart of Tarahumara country pitting the tribe against an odd band of super-athletic Americans.

"A displaced family charts a path forward in this testament to the power of perseverance and the many forms resistance can take. The Rarámuri people of Chihuahua, Mexico, make up one of the largest Indigenous tribes of North America. Renowned for maintaining their language and cultural traditions in the face of colonization, they have weathered numerous hardships-climate disaster, poverty, cultural erasure-that have only worsened during the twenty-first...