This article was made possible through the generous support of our voluntary subscribers. If you value coverage like this, please support FasterSkier with a voluntary subscription. This is a follow-up to my last article, Speed Creates the Load, Not Intensity. Before going further, it helps to define terms. Intensity is reflected in the heart rate response. Load is the physiological stress that drives adaptation. This piece takes a different angle, using high-intensity workouts and race heart...
