The amazing life story of Britain's world conquering triathlete, Chrissie Wellington. Chrissie Wellington is the world's No 1 female Ironman triathlete, the current quadruple World Champion and World Record holder. In 2009 she was voted 'Sunday Times Sportswoman of the Year' and in 2010 was awarded the MBE. She is the undefeated champion of Triathlon, having won nine Ironman titles from nine races.

When Des woke up on April 16, 2018, the morning of the Boston Marathon, it was 39 degrees and raining, with high, gusty winds. The weather didn’t bother her. In fact, she thought it might be a blessing. She was far from peak form—recovering from illness and questioning her running future—and didn’t expect much of herself that day. But as she ticked off mile after mile in the brutal conditions, passing familiar landmarks on the course she knew and loved, something shifted. Opportunity unexpectedly presented itself. Des tapped into her inner strength and found a reason to race.

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.

The 1989 Ironman World Championship was the greatest race ever in endurance sports. In a spectacular duel that became known as the Iron War, the world's two strongest athletes raced side by side at world-record pace for a grueling 139 miles. Driven by one of the fiercest rivalries in triathlon, Dave Scott and Mark Allen raced shoulder to shoulder through Ironman’s 2.4-mile swim, 112-mile bike race, and 26.2-mile marathon. After 8 punishing hours, both men would demolish the previous record - and cross the finish line a mere 58 seconds apart.

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.

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.

Lauren Fleshman has grown up in the world of running. One of the most decorated collegiate athletes of all time and a national champion as a pro, she was a major face of women’s running for Nike before leaving to shake up the industry with feminist running brand Oiselle and now coaches elite young female runners. Every step of the way, she has seen the way that our sports systems—originally designed by men, for men and boys—fail young women and girls as much as empower them. Written with heart and verve, Good for a Girl is a joyful love letter to the running life.

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.

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.

From beloved performance expert, executive coach, and coauthor of Peak Performance Steve Magness comes a radical rethinking of how we perceive toughness and what it means to achieve our high ambitions in the face of hard things.

A breakthrough program for triathletes - beginner, intermediate, and advanced - showing how to balance training intensity to maximize performance - from a fitness expert and elite coach. Cutting-edge research has proven that triathletes and other endurance athletes experience their greatest performance when they do 80 percent of their training at low intensity and the remaining 20 percent at moderate to high intensity.

The best-selling author of Born to Run now travels to the Mediterranean, where he discovers that the secrets of ancient Greek heroes are still alive and well on the island of Crete, and ready to be unleashed in the muscles and minds of casual athletes and aspiring heroes everywhere.

In this myth-busting book, Daniel Lieberman, professor of human evolutionary biology at Harvard University and a pioneering researcher on the evolution of human physical activity, tells the story of how we never evolved to exercise - to do voluntary physical activity for the sake of health. Using his own research and experiences throughout the world, Lieberman recounts without jargon how and why humans evolved to walk, run, dig, and do other necessary and rewarding physical activities while avoiding needless exertion.

As he did so masterfully in his New York Times best seller The Gatekeepers, Jacques Steinberg creates a compelling portrait of people obsessed with reaching a life-defining goal. In this instance, the target is an Ironman triathlon---a 2.4-mile open-water swim followed by a 112-mile bike ride, then finally a 26-mile marathon run, all of which must be completed in no more than seventeen hours. Steinberg focuses not on the professional who live off the prize money and sponsorships, but on a handful of triathletes who regard the sport as a hobby.

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.