2 results for "Marcus O'Sullivan: The Basics of Lactate Threshold Training" between $0 and $40

One of the sport's most successful runner turned coach, Marcus O'Sullivan's mastery and understanding of Lactate Threshold Training for middle distance and distance runners has made him one of the most sought after clinicians in the country! O'Sullivan has a special gift of taking the science of physiology and translating it into easy-to-understand terminology, which can be applied to all levels. The key to threshold training is getting a firm grasp on the energy systems. In Part 1, O'Sullivan...