The Tarahumara are a remote, mysterious tribe of Mexican Indians, who came to the attention of the sport world in 1993, when one of them, aged 57, came first in a prestigious 100-mile race, wearing a toga and sandals. A small group of runners - as well as the author - make the treacherous journey into the canyons to learn the secrets of incredible running. 'A fascinating and inspiring true adventure story... destined to become a classic' Ranulph Fiennes