“With masterful storytelling, Hutchinson unpacks the science and spirit of exploration—showing us it isn’t just a trait of history’s great adventurers… The book helped me understand myself better, and it'll do the same for you.”

- MICHAEL EASTER, author of The Comfort Crisis and Scarcity Brain

“Alex Hutchinson’s Endure is so much more than a sports book. It is a voyage to the outer reaches of human capacity.”

— DAVID EPSTEIN, author of Range and The Sports Gene

“Authoritative and easy to use. . . . This book answers all the big questions.”

— AMBY BURFOOT, Runner’s World