Running a half or full marathon is on many runners’ bucket lists, but to be the best runner possible, it’s important to regularly challenge yourself with different distances and types of runs—and that ...

When cold, dark, rainy, or icy conditions make it tough to get outside, the obvious option is to hit the treadmill. The good news: Doing speed workouts on the treadmill makes the time seem to fly by ...

If you’re a new runner looking toward an (eventual) longer-distance race, or simply want to bring down your personal best time, how to run faster might be a top question on your list. And if that’s ...

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 ...