Matt Fitzgerald

The bestselling author of 80/20 Running and How Bad Do You Want It? reveals his inspiring and surprising journey to see just how fast he can go.

From “The Four Hour Body,” to “Atkins,” there are diet cults to match seemingly any mood and personality type. Everywhere we turn, someone is preaching the “One True Way” to eat for maximum health. Paleo Diet advocates tell us that all foods less than 12,000 years old are the enemy. Low-carb guru...