Alex Hutchinson is the New York Times bestselling author of Endure, a longtime columnist for Outside covering the science of endurance, and a National Magazine Award–winning journalist who has contributed to the New York Times, The New Yorker, and other publications. A former long-distance runner for the Canadian national team, he holds a master’s in journalism from Columbia and a Ph.D. in physics from Cambridge, and he did his post-doctoral research with the National Security Agency. He lives in Toronto with his family.