Growing up in the Canadian Rockies, the mountains have always been home for Jenny Tough. Travelling the world, she's always discovered commonalities with mountains—and mountain people. Her major project is to run solo and unsupported across a mountain range on every continent where indigenous mountain people live isolated from the outside, urban world. Running solo and unsupported comes with obvious logistical as well as physical challenges, but running is also a common language.

In this beautifully written, vividly detailed memoir, a young woman chronicles her adventures traveling across the deserts of the American West in an orange van named Bertha and reflects on an unconventional approach to life

Welcome to the Barkley Marathons, a fever dream of an ultra event, inspired by a prison break, heralded by a conch blast, paid for in cigarettes and socks, and completed only by a select few. A race in which competitors haul themselves up mountains, through extreme weather conditions, beyond pain and exhaustion, mile after mile. Completed 60 miles? That’s just the fun run. In the Spell of the Barkley is a story of sporting obsession, exploring what drives individuals to challenge themselves at the limits of what is possible – and what it takes to succeed.

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 just 20 percent at a higher intensity is the best way for runners at all levels - as well as cyclists, triathletes, and even weight-loss seekers - to improve their performance. Now, in this eye-opening follow-up, Fitzgerald teams with Olympic coach Ben Rosario to expand and update the 80/20 program to include ultramarathon training and such popular developments as the use of power meters.

Deena Kastor was a star youth runner with tremendous promise, yet her career almost ended after college, when her competitive method - run as hard as possible, for fear of losing - fostered a frustration and negativity and brought her to the brink of burnout. On the verge of quitting, she took a chance and moved to the high altitudes of Alamosa, Colorado, where legendary coach Joe Vigil had started the first professional distance-running team. There she encountered the idea that would transform her running career: the notion that changing her thinking - shaping her mind to be more encouraging, kind, and resilient - could make her faster than she’d ever imagined possible.

As a journalist whose career spans three decades, CNN correspondent Tom Foreman has reported from the heart of war zones, riots, and natural disasters. He has interviewed serial killers and been in the line of fire. But the most terrifying moment of his life didn't occur on the job - it occurred at home, when his 18-year-old daughter asked, "How would you feel about running a marathon with me?"

A man takes on the challenge of a lifetime after hitting rock bottom. He finds himself divorced, unemployed, and in a deep depression when a degenerative eye condition renders him blind with limited light perception. Feeling a calling to run across America, he dedicated the next two years of his life to prepare for, and ultimately run, more than 3,000 miles from California to New York in less than 60 days, averaging 51.5 miles per day, to log the seventh-fastest transcontinental foot crossing in the history of the world.

After a decade-long addiction to crack cocaine and alcohol, Charlie Engle hit bottom with a near-fatal six-day binge that ended in a hail of bullets. As Engle got sober, he turned to running, which became his lifeline, his pastime, and his salvation. He began with marathons, and when marathons weren't far enough he began to take on ultramarathons, races that went for 35, 50, and sometimes hundreds of miles, traveling to some of the most unforgiving places on earth to race.

Running offers much more than road racing! After a decade of writing about running, sports columnist Susan Lacke found herself in a serious running rut. The runners around her seemed to be thriving, setting goals, and having fun, but her own interest in running was lackluster. Seeking to reengage with the sport she once loved, Lacke spent a year exploring running in its many shapes and forms, taking on running challenges that scared her, pushed her, and downright embarrassed her.

In 1972, at the age of 21, John Callahan was involved in a car crash that severed his spine and made him a quadriplegic. A heavy drinker since the age of 12, the accident could have been the beginning of a downward spiral. Instead, it sparked a personal transformation. After extensive physical therapy, he was eventually able to grasp a pen in his right hand and make rudimentary drawings. By 1978, Callahan had sworn off drinking for good and begun to draw cartoons. Over the next three decades, Callahan would become one of the nation's most beloved cartoonists.

Abby Maslin shares an inspiring story of resilience and commitment in a deeply affecting new memoir. After her husband suffered a traumatic brain injury, the couple worked together as he recovered - and they learned to love again.

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.

At the verge of turning 40, Peter Sagal - brainiac Harvard grad, short, bald Jew with a disposition toward heft, and a sedentary star of public radio - started running seriously. And much to his own surprise, he kept going, faster and further, running 14 marathons and logging tens of thousands of miles on roads, sidewalks, paths, and trails all over the US and the world, including the 2013 Boston Marathon, where he crossed the finish line moments before the bombings.

David Clark went from the rock bottom of bankruptcy, addiction, and obesity to becoming an accomplished athlete. In this compelling story of his life, he not only shares his journey with complete honesty, but he also lays out a blueprint for change that anyone can use to redefine what is possible.

Runners' vocabulary is full of acronyms like DNS for "Did Not Start" and DNF for "Did Not Finish," but when Mirna Valerio stepped up to the starting line, she needed a new one: DNQ for "Did Not Quit."