The Training
Intensity Handbook
The Training Intensity Handbook is a classification of training intensity based on lactate, heart rate and perceived exertion. Suitable for all endurance sports and written for sport scientists, coaches, athletes and students
“John Hellemans brings unique insight as a sports physician, coach, and champion triathlete to provide the most straightforward approach to training that I have seen. This book gives you the tools to more effectively guide your own training or plan training for others.”
Pete Pfitzinger MSc – Olympic Marathoner