Variations in the level of daily training stress not only occur as a result of different daily mileage, but also take place as a result of variations in the daily intensity of training. Any of the challenging workouts that performance- oriented runners regularly plan into their training (i.e., fartlek, intervals, tempo runs, speed work, time trials, races, etc.) – represent a significant increase in the intensity (and stress level) of training versus normal training days.
THE BREAKTHROUGH BOOK
that redefines how runners will look at their training
You (only faster)
by Greg McMillan M.S.
“It’s probably the most practical training book I’ve read. Every word is useful.”
– Matt Fitzgerald