There may, however, be a shortcut. High-intensity interval training ( HIIT) promises to get you fit with just a few minutes ...

Maybe you’ve tried high-intensity interval training (HIIT) as a way to balance out your running and didn’t love it. But have you tried SIT? A recent study in the journal Psychology of Sport and ...

Here’s an example. Running an ultra marathon requires endurance, because the goal is to maintain a steady pace for several ...

Most runners run too hard. We log the majority of our miles at moderate- and high-intensity speeds, barely deigning to hit the low-intensity paces that are so essential to building an aerobic base.

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...