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 ...

Is the treadmill harder or easier than running outdoors? Survey runners, and you’ll get plenty of different opinions on which feels harder or easier, but the basic physics of running are the same on ...

There’s nothing like lacing up your sneakers and heading out for an invigorating run. This popular form of cardio gets your entire body moving, boosts those feel-good endorphins, and revs up the ...

Treadmill and outdoor running deliver similar fitness benefits for most runners—miles count the same. Treadmill running can feel mentally and physically harder due to fixed pacing and lack of scenery.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." MY LEGS WERE screaming, my lungs were on fire, and the incline ahead had me stressed. I was in mile two ...

The treadmill isn't necessarily easier, but it can sure feel easier. There's a pervasive myth that the treadmill “moves your feet” and thus makes running easier, but that’s not true. However, if you ...

Navigating outdoor running during the winter months is a tough task. Frigid temperatures, dangerous road conditions, and the lack of daylight before and after work make it nearly impossible to put in ...

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 ...