Once the reserve of only the most hardcore enthusiasts, ultra running is now a thriving global industry, with hundreds of thousands of competitors each year. But is the rise of this most brutal and challenging sport - with races that extend into hundreds of miles, often in extreme environments - an antidote to modern life, or is it a symptom of a modern illness? In The Rise of the Ultra Runners, award-winning author Adharanand Finn travels to the heart of the sport to investigate the reasons behind its rise and discover what it takes to join the ranks of these ultra athletes.

Karnazes reveals the mind-boggling adventures of his nonstop treks through the hell of Death Valley, the incomprehensible frigidity of the South Pole, and the breathtaking beauty of the mountains and canyons of the Sierra Nevada.

Long before Cory Reese strapped on his first pair of running shoes, he learned the key to being a successful ultrarunner: He knew how to suffer. In Nowhere Near First, Cory shares his deeply personal story about experiencing his father’s suicide at a young age, and how this led to a career in endurance running and a desire to live life to the fullest. Nowhere Near First is a humorous, captivating, and uplifting account of Cory’s memorable ultramarathon experiences.

Ultramarathons don't leave much room for mistakes. Don't learn the hard way: Get a jump on training for an ultramarathon with Hal Koerner's Field Guide to Ultrarunning, a comprehensive handbook to running 30 to 100 miles and beyond, authored by one of the most experienced and recognized athletes in the sport.   

Finding Ultra is Rich Roll's incredible but true account of achieving one of the most awe-inspiring midlife physical transformations ever. One evening in 2006, before turning 40, Rich experienced a chilling glimpse of his future. Nearly 50 pounds overweight at the time and unable to climb the stairs without stopping, he plunged into a new way of eating that made processed foods off-limits and prioritized plant nutrition and daily training. Rich morphed - in mere months - from out-of-shape midlifer to endurance machine. Revised and updated edition with a new and original foreword and a bonus chapter.

In his gripping memoir, Cory Reese offers a compelling and vulnerable insight into the pervasive destruction of depression. Drawing on lessons learned over a decade of ultramarathon running, Stronger than the Dark offers a powerful new approach in the battle against depression: the willingness to embrace suffering. In a moment of physical and mental crisis during a 314-mile race across Tennessee, he realizes with clarity life’s ultimate purpose. 

Aside from her rock star looks, Catra Corbett is a standout in the running world on her accomplishments alone. And, unbelievably, she's also a former meth addict. After two years of addiction, Catra is busted while selling, and a night in jail is enough to set her straight. She gives up drugs and moves back home with her mother, abandoning her friends, her boyfriend, and the lifestyle that she came to depend on. Her only clean friend pushes her to train for a 10K with him, and surprisingly, she likes it and decides to run her first marathon after that.

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.

Why we think it’s a great listen: Want to join the “superhumans”? Luckily you don’t have to run to catch up with them, thanks to McDougall’s and Sanders’ inspiring (and motivating) journey through history, science, physiology, health, entertaining characters and unlikely friendships. Full of incredible characters, amazing athletic achievements, cutting-edge science, and, most of all, pure inspiration, Born to Run is an epic adventure.

Marathons have become too easy for some runners. What was once the pinnacle of achievement in a runner's life is now a stepping stone for extraordinary adventure in ultramarathoning. The number of ultrarunners - those running distances of 50k (31 miles), 50 miles, 100k (62 miles), or 100 miles - is growing astronomically each year. To date, there has been no practical guide to ultramarathoning. Now, Bryon Powell has written Relentless Forward Progress, the first how-to manual for aspiring ultrarunners.

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.

Travis Macy has summited glacial peaks in the French Alps, rappelled into limestone caves in China, and raced through parched deserts in Utah. In 2013 he famously won the Leadman Series, a combination of nearly 300 miles of high-altitude trail running and mountain biking over the course of five epic endurance races. Macy achieved all of these victories without elite professional training or even exceptional strength, speed, or flexibility.

Into The Furnace explores the inner workings of bravery, hope, and passion. These themes are framed against the backdrop of the Badwater Ultramarathon - a 135-mile race across the hottest place on the planet, Death Valley. Cory Reese has walked into the furnace. He has faced adversity, both in running and in life. His book captures the essence of what it means to suffer, what it means to persevere, and ultimately, what it means to create a life of clarity and purpose. 

The ultimate endurance athlete, Marshall Ulrich has run more than 100 foot races averaging over 100 miles each, completed 12 expedition-length adventure races, and ascended the seven summits - including Mount Everest. Yet, his run from California to New York - the equivalent of running two marathons and a 10k every day for nearly two months straight - proved to be his most challenging effort yet. In Running on Empty, he shares the gritty backstory of his run and the excruciating punishments he endured on the road.