Running on a treadmill or outside offers similar fitness benefits—learn which feels harder, when to choose each, and how to start training consistently.

All products featured on Self are independently selected by Self editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. The short answer: For ...

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 ...

Getting some miles in on your feet has a ton of benefits. Previous Prevention reporting found that running can lower blood sugar, boost cardiovascular health, build muscle, support healthy bones, and ...

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 ...

Treadmill intervals at a medium effort combined with two sets of bodyweight squats (lower body) and planks (core). Stop the ...

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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Seth Berkman Seth Berkman is a fitness writer. He incorporates testing into ...