Nothing screams "leg burner" like a hill workout. Running -- and even walking -- up hills has profound fitness benefits.

There are approximately a zillion ways to get your cardio in nowadays. Walking, running, biking, stair climbing, rowing, ...

If you like walking or running on the treadmill, you don’t need an excuse to do so. Even run coaches appreciate a little Netflix and tread on occasion. “I just enjoy it,” says Beck.

If you are a runner, you know that running uphill is dramatically more difficult than running on flat ground. You may have also found that running uphill while outside in nature is harder than running ...

Treadmill running isn’t “cheating” or any less of a fitness boost than an outdoor run. As Dr. Willy points out, many elite runners—including Jakob Ingebrigtsen, ...

For a treadmill runner, the great outdoors is new territory. You have heat, hills, tricky surfaces—and, worst of all, no way to set your speed and go on autopilot.

Looking to make your mark on this year's fitness goals? Grab one of the best treadmills of 2025 in this article to complete your home gym setup. More on Nordictrack, Echelon, and other top brands.

Treadmill running isn’t “cheating” or any less of a fitness boost than an outdoor run. As Dr. Willy points out, many elite runners—including Jakob Ingebrigtsen, ...