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.

New York Times best-selling author and ultramarathoning legend Dean Karnazes has pushed his body and mind to inconceivable limits, from running in the shoe-melting heat of Death Valley to the lung-freezing cold of the South Pole. He’s raced and competed across the globe and once ran 50 marathons, in 50 states, in 50 consecutive days.

From the best-selling author and renowned coach duo from Born to Run, a practical guide to running for everyone from amateurs to seasoned runners, about how to eat, race, and train like the world's best. Whether you're ramping up for a race or recuperating from an injury, Born to Run 2 is a holistic program for runners of every stripe that centers on seven key themes: food, fitness, form, footwear, focus, fun, and family.

The most accomplished mountain runner of all time contemplates his record-breaking climbs of Mount Everest in this profound memoir - an intellectual and spiritual journey that moves from the earth’s highest peak to the soul’s deepest reaches.

Ultramarathon Man helped introduce the world to ultramarathoning. Now, after three decades of running ultramarathons across the globe, Dean Karnazes is still going strong. This updated and revised edition includes an afterword full of the lessons he’s picked up along the way. He gives personal details on the essential pillars of health—fitness, diet, and sleep. What does he eat, what supplements does he take, and what kind of mattress does he sleep on? Aging well takes work, and the man who hasn’t stopped is sharing the tips and learnings that have kept him going.

When elite and everyday ultrarunners alike want to improve their ultramarathon performance, they turn to Coach Jason Koop for guidance and council. Training Essentials for Ultrarunning takes Coach Koop's time-proven and evidenced-based methodologies that have been honed over 20 years of professional coaching and delivers it to the masses. Regardless of whether you are first-time ultrarunner, a seasoned veteran, or an ultrarunning coach, this resource is a must-have for all ultrarunners.

This revolutionary training method has been embraced by elite runners - with extraordinary results - and now you can do it, too. Respected running and fitness expert Matt Fitzgerald explains how the 80/20 running program - in which you do 80 percent of runs at a lower intensity and just 20 percent at a higher intensity - is the best change runners of all abilities can make to improve their performance.

Scott Jurek is one of the world's best known and most beloved ultrarunners. Renowned for his remarkable endurance and speed, accomplished on a vegan diet, he's finished first in nearly all of ultrarunning's elite events over the course of his career. But after two decades of racing, training, speaking, and touring, Jurek felt an urgent need to discover something new about himself. He embarked on a wholly unique challenge, one that would force him to grow as a person and as an athlete: breaking the speed record for the Appalachian Trail.

Writing from both the cutting edge of scientific discovery and the front-lines of elite athletic performance, National Magazine Award-winning science journalist Alex Hutchinson presents a revolutionary account of the dynamic and controversial new science of endurance.

Quenton Cassidy's first foot races are with nature itself: the summer storms that sweep through his subtropical neighborhood. Shirtless, barefoot, and brown as a berry, Cassidy is a skinny, mouthy kid with aspirations to be a great athlete. As he explores his primal surroundings along the Loxahatchee River and the nearby Atlantic Ocean, he is befriended by Trapper Nelson, "the Tarzan of the Loxahatchee", a well-known eccentric who lives off the land.