Michael Joyner, the Mayo Clinic physiologist and human performance expert who first floated the prospect of a sub-two-hour marathon back in the early 1990s, once distilled his voluminous training ...

Right now in the fitness community, the hottest topic is Zone 2 training. Everywhere you look, both coaches and runners are extolling the benefits of running at a Zone 2 effort, while advising runners ...

The road to marathon success is never smooth and problem-free. Every runner, from first-timer to marathon veteran, hits a hurdle or two while preparing for the marathon: an injury, a cold, an ...

6:52 pace for 26.2 miles. That’s what it takes to dip under the elusive three-hour barrier in the marathon, an accomplishment that drives many runners to head out the door and put in the training each ...

This article has been excerpted and adapted from Run Fast: How to Beat Your Best Time — Every Time, by Hal Higdon. They are disparagingly called “junk miles”—those slow, extra miles done on our easy ...