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.

Honest, relatable, and raw, every listener will connect with Sally’s story and see how they too can overcome even the most difficult situations in life and sport. Choose Strong is a story for everyone from every age and walk of life looking to live their strongest life.

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.

Can’t Hurt Me, David Goggins’ smash hit memoir, demonstrated how much untapped ability we all have but was merely an introduction to the power of the mind. In Never Finished, Goggins takes you inside his Mental Lab, where he developed the philosophy, psychology, and strategies that enabled him to learn that what he thought was his limit was only his beginning and that the quest for greatness is unending.

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.

Isolated by Mexico's deadly Copper Canyons, the blissful Tarahumara Indians have honed the ability to run hundreds of miles without rest or injury. In a riveting narrative, award-winning journalist and often-injured runner Christopher McDougall sets out to discover their secrets. In the process, he takes his readers from science labs at Harvard to the sun-baked valleys and freezing peaks across North America, where ever-growing numbers of ultra-runners are pushing their bodies to the limit.

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.

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?"

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.

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.

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.

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.

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.

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.

Kara Goucher grew up with Olympic dreams. She excelled at running from a young age and was offered a Nike sponsorship deal when she graduated from college. Then in 2004, she was invited to join a secretive, lavishly funded new team, dubbed the Nike Oregon Project. Coached by distance running legend Alberto Salazar, it seemed like the opportunity of a lifetime. Kara was soon winning a World Championship medal, going to the Olympics, and standing on the podium at the New York and Boston marathons, just like her coach. But behind the scenes, Salazar was hiding dark secrets.