Power, Speed, ENDURANCE is a highly effective training system that has catapulted thousands of endurance athletes to the next level. Developed by CrossFit Endurance founder Brian MacKenzie and featuring instruction from some of the world's top endurance and CrossFit coaches, Power, Speed, ENDURANCE unveils techniques, drills, and training strategies that will optimize your performance and overall work capacity while decreasing your susceptibility to injury. Through thousands of step-by-step color photographs and detailed narrative, this book breaks down proper running, cycling, and swimming mechanics like never before. MacKenzie's unique system of building strength, speed, and power is aimed at reaping continual results, without injury. In fact, he devotes an entire chapter to the "broken down" athlete, equipping you with the knowledge to prevent, repair, and treat injuries brought on by poor mechanics and tight overworked muscles.