High-intensity interval training, or HIIT, is the go-to workout modality for anyone who likes to get their heart rate up, strengthen their muscles, and then move on with their day. It focuses on quick ...

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 ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

The Huberman-famous protocol promises to gamify your interval training, but the rules seem to make it worse, not better, than standard interval workouts. The Sugarcane workout is a series of intervals ...

The Jeffing method, developed by Jeff Galloway, is a training technique that involves running for a set period, followed by a walking interval. Typically, beginners might start with a one-minute run ...

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 ...

There is no magic workout. I used to get frustrated with my training partners when they’d start stressing about whether we should take 90 seconds or two minutes between repetitions, or argue about ...

Once upon a fitness goal, a young girl spent hours upon hours on the treadmill, one 30-minute steady-state workout at a time. She wanted to lean out -- aka lose body fat to improve muscle tone -- and ...

If you’re in a run/walk training program, going out for a workout isn’t as easy as lacing up a pair of running shoes, connecting your GPS watch, and selecting the “open run” option. You need to track ...