Training

A treadmill-specific workout, this tempo run variation builds strength, reduces impact and keeps it interesting.

Runner's knee, the most common running injury, is not what you might think it is. New understanding changes how you treat it.

A quick stretch and exercise to release runner's knee pain and start improving your knee health.

Six dynamic exercises that build side-to-side strength to improve performance and resist injuries.

Off-season training gets you to the starting line—of a more advanced training plan that will take you to new heights.

Brisk walking—especially uphill, with a pack—may be your path to injury-resistant hamstrings.

Three tips to prepare for your best competitive spring season.

Speed work will raise your aerobic capacity, but to improve performance, you need every piece of the fitness puzzle.

After giving up his treadmill aversion, this runner used these tactics to train for a 2:13 marathon PR.

Four keys to interpreting and adapting elite training plans to fit your experience and ability.