But many runners don’t follow the principle of progression for their strength workouts. They do the same core session year after year, or always stick to a similar series of exercises in the gym.

And then the principle of progression lets you build on that: “In order to achieve the desired training adaptations for a certain activity or skill consistently, the training stimulus must ...

All of us have big goals to finally get healthy, run more consistently, and set new personal bests. But unfortunately, the majority are short-changing themselves by making silly mistakes. Today I ...