Book excerpt: This is the ultimate official celebration of the world's toughest, most revered endurance event: IRONMAN. For more than 40 years IRONMAN has been, arguably, the toughest athletic competition on the planet, presenting participants with an almost impossible physical challenge: a 2.4- mile swim, 112-mile cycle ride, and 26.2-mile marathon run. Even so, it always attracts thousands of entrants. This unique illustrated book explores every aspect of IRONMAN, from its history and legendary competitors to its major global events, and provides practical advice on how to prepare and succeed at such a demanding challenge. Written by acclaimed IRONMAN expert Bob Babbitt, this book captures the spirit, excitement, and endeavor of this globally respected sports event.