Cutting-edge advice on how to achieve your personal best, for everyone from casual runners to ultramarathoners. In 80/20 Running, respected running and fitness expert Matt Fitzgerald introduced his revolutionary training program and explained why doing 80 percent of runs at a lower intensity and...

NEW YORK TIMES BESTSELLER ""Reveals how we can all surpass our perceived physical limits."" —Adam Grant Limits are an illusion: a revolutionary book that reveals the secrets of accessing your hidden extra potential Foreword by Malcolm Gladwell The capacity to endure is the key trait that...

An endurance athlete and coach reveals how the marathon transforms the lives of everyone who attempts it--and how it has helped his own family cope with serious adversity Step after step for 26.2 miles, hundreds of thousands of people run marathons. But why--what compels people past pain, lost...

There is a new revolution happening in sports as more and more athletes are basing their success on this game-changing combination: health, nutrition, training, recovery, and mindset. Unfortunately, the evidence-based techniques that the expert PhDs, academic institutions, and professional performance staffs follow can be in stark contrast to what many athletes actually practice. When combined with the noise of social media, old-school traditions, and bro-science, it can be difficult to separate fact from fiction.

David Clark is a formerly obese alcoholic and fast food junkie who found a new life in running. Now, 13 years after his transformation, he shares his inspiring story of taking running to the extreme edge of his physical and spiritual breaking points. Having run more than a hundred races, including the Leadville 100-Mile Trail Run and the Hardrock 100, David has achieved unimaginable success in the ultramarathon world, considering his humble start.