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Stephen J. McGregor, PhD, is a pioneer in the development of training concepts and software designed to maximize the benefits of running with a speed and distance device. Most notably, Dr. McGregor created the normalized graded pace (NGP) algorithm and the run training stress score (rTSS). The NGP algorithm accounts for changes in grade that affect running speed and reports an adjusted pace that is more reflective of the actual effort exerted by the athlete and helps runners determine the true physiological stress level of each run. Dr. McGregor is the director of the Applied Physiology Laboratory at Eastern Michigan University and has published and presented numerous research papers examining muscle injury, nutritional supplements, performance modeling, and running physiology.
Dr. McGregor is a former intercollegiate soccer player, triathlete, and elite competitive cyclist. He has coached endurance athletes for almost 15 years and has a doctorate in exercise physiology. He is on the science and education faculty for USA Cycling and serves as a consultant to numerous international-caliber cyclists and runners, including Olympians.
Stephen McGregor is the lead author of The Runner's Edge.
