Running is not typically related to higher-than-usual incidences of lower back pain. However, excessive running without sufficient recovery time, improper running form, and other factors may ...

While running is not necessarily bad for the knees, poor form and injury may affect performance. Knee pain due to running is a common injury, and approximately 50% of runners report injuries due to ...

Running may look pretty straightforward on the surface: All you have to do is put one foot in front of the other. But when you break down each step and consider the ...

Easy running, by definition, should feel easy. But as any runner knows, those long, slow runs can sometimes be the most difficult of a training program—both mentally and physically. Some good news: ...

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 ...

Running economy is a measure of how fast you can run using a given amount of oxygen. If you can run faster than your training partner while using the same amount of oxygen, then you’re more economical ...