Born to Run: A Hidden Tribe, Superathletes, and the Greatest Race the World Has Never Seen

by Christopher McDougall

In the Tarahumara tongue, humans come in only two forms: there are Rarámuri, who run from trouble, and chabochis, who cause it. It’s a harsh view of the world, but with six bodies a week tumbling into their canyons, it’s hard to say they’re wrong.