So it’s only natural to question whether your regular running routine is helping to maximize your performance—or if it’s actually holding you back. And one common cause for concern has to do with ...

The treadmill isn't necessarily easier, but it can sure feel easier.

Ask a group of runners whether they’d rather run on a treadmill or outside, and you’ll probably get some very strong opinions. Some can’t stand the boredom of indoor miles, while others love the ...

I’m a running coach and five-time marathoner. Here are the best treadmills I’ve tested for walking and running.

Before you get on the treadmill hate train, hear me out. They can save your training, and I swear, they can be a ton of fun—really. Between the engaging, interactive streaming treadmill classes, and ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Is the treadmill ...