In 1997, Jan Ullrich announced himself to the world by obliterating his rivals in the first mountain stage of the Tour de France. So awesome was his display that it sent shockwaves throughout the world of cycling and invited headlines such as L’Équipe’s ‘The New Giant’. He went on to become Germany’s first ever Tour winner, storming to victory in that edition by almost 10 minutes, a result that was greeted as an era-defining changing of the guard. Everyone agreed: Jan Ullrich was the future of cycling.

In his quest to define ‘sporting greatness’, double Olympic champion Alistair Brownlee has spent nearly four years interviewing and training with some of the greatest minds in sport to discover what it takes to become—and remain—a champion.

Seabiscuit was one of the most electrifying and popular attractions in sports history and the single biggest newsmaker in the world in 1938, receiving more coverage than FDR, Hitler, or Mussolini. But his success was a surprise to the racing establishment, which had written off the crooked-legged racehorse with the sad tail.

Why does an international footballer with the World at his feet decide to take his own life? On November 10, 2009, the German national goalkeeper Robert Enke stepped in front of a passing train. He was 32 years old. Viewed from the outside, Enke had it all. Here was a professional goalkeeper who had played for a string of Europe's top clubs, including Jose Mourinho's Benfica and Louis Van Gaal's Barcelona. Enke was destined to be his country's first choice for years. But beneath the veneer of success lay a darker story.

Bernard Hinault is "Le Blaireau", the Badger. Tough as old boots, he is the old warrior of the French peloton, as revered as he is feared for his ferocious attacks. He has won five Tours de France, marking his name into the history books as a member of cycling's most exclusive club. Yet as the 1986 Tour de France ascends into the mountains, a boyish and friendly young American named Greg LeMond threatens the Badger - and France's entire cycling heritage.

By the early 1960s, Ford Motor Company, built to bring automobile transportation to the masses, was falling behind. Baby boomers were taking to the roads in droves, looking for speed not safety, style not comfort, and Ford didn’t offer what these young drivers wanted. Meanwhile, Enzo Ferrari lorded over the European racing scene, crafting beautiful, fast sports cars that epitomized style.

Like countless other kids, Phil Gaimon grew up dreaming of being a professional athlete. But unlike countless other kids, he actually pulled it off. After years of amateur races, hard training, living out of a suitcase, and never taking "no" for an answer, he finally achieved his goal and signed a contract to race professionally on one of the best teams in the world. Now, Gaimon pulls back the curtain on the WorldTour, cycling's highest level.

The 1988 Seoul Olympics played host to what has been described by some as the dirtiest race of all time, by others as the greatest. The final of the men's 100 metres at those Olympics is certainly the most infamous in the history of athletics, and more indelibly etched into the consciousness of the sport, the Olympics, and a global audience of millions, than any other athletics event before or since.

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.

In 2007, Chrissie Wellington shocked the triathlon world by winning the Ironman World Championships in Hawaii. As a newcomer to the sport and a complete unknown to the press, Chrissie's win shook up the sport. A LIFE WITHOUT LIMITS is the story of her rise to the top, a journey that has taken her around the world, from a childhood in England, to the mountains of Nepal, to the oceans of New Zealand, and the trails of Argentina, and first across the finish line.

In the tradition of Seabiscuit, critically acclaimed author Neal Bascomb reaches back to the golden age of sport and crafts an utterly captivating narrative of what may be the most remarkable athletic feat of all time.

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.

Dust and prairie were abundant on the Texas Panhandle, the land that gave birth to generations of Moores. But instead of working the land or the cattle that fed upon it, the Moore brothers, Colton and Caleb, heeded another call. Their dreams, paired with hard work and family sacrifice, eventually became reality. The Moore brothers, with their boundary-exploding athleticism, innovation, and appetite for risk, became stars on the burgeoning freestyle ATV and snowmobile circuits.

Penguin presents the unabridged, downloadable audiobook edition of the revealing, inspirational memoir from the British winner of the Tour de France. The Climb tells the extraordinary story of Chris Froome's journey from a young boy in Kenya, riding through townships and past wild animals, and with few opportunities for an aspiring cyclist, to his unforgettable yellow jersey victory in the 2013 Tour de France.

Mark Webber was at the centre of one of the most captivating chapters in the history of Formula One. In 2010, while racing for Red Bull, he and his teammate, Sebastian Vettel, went head to head for the World Championship. There could be only one winner. Since retiring from Formula One, Mark has concentrated on endurance racing, including the legendary Le Mans 24-hour race.