Experts share the best types of interval training to help you improve both as a long-distance runner and an all-around athlete.

Is there still snow on the ground? Perhaps for some of us. Is the temperature near freezing? Probably. Will you need to wear a balaclava while you’re running? Most likely. But are we solidly in spring ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

Lungs burning, legs ceasing up – no one actually enjoys interval training. Pushing through the pain is the only way to unlock faster PBs and achieve a higher level of fitness ...

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can improve cardiovascular health, regulate blood sugar, and reduce body fat ...

I used to take lots of shortcuts when training for a race. Often those shortcuts involved brief interval sessions and hill sprints, and very few long, slow and steady runs. My theory: the faster I ...

Our Sub-3:45 marathon plans, encompassing five to six runs per week, are aimed at experienced runners who are regularly running a minimum of four times per week. 3-4 runs per week Our Sub-3:45 ...

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

Is your running history over the years littered with more stops, starts, detours and long (long) pauses than the most meandering trail? Is the only incline you've encountered lately the inclination to ...

Jeffing involves alternating between set periods of running and brisk walking to increase endurance, reduce injury risk, and ...