With the aid of detailed illustrations, Extreme Fitness demonstrates how Special Forces soldiers are trained to reach and maintain peak physical fitness. Who's going to guide you when your military boot camp class is over? What's going to help you prepare for the next boot camp challenge? This book explores the different training methods to build up physical strength, speed, agility, and endurance, across running, swimming, weight training, circuit training, and triathlon events. In addition, it addresses the importance of diet and nutrition, injuries, and rest, and using mental fitness to improve physical health. With more than 300 easy-to-follow artworks, training tips, and workouts used by the US Navy SEALs and British Royal Marines, Extreme Fitness is the definitive guide for the person who wants to be their best.