If you’re wondering why your legs feel heavy when running, then you’re in the right place. That “ugh, why do my legs feel like cement blocks” feeling can happen for all kinds of reasons, and sometimes ...

Many runners believe their natural stride could be improved. Here’s what to know before trying to change yours. By Christine Yu Want to get better at tennis? Fine-tune your serve. Swimming? Perfect ...

"Faster, mommy, faster!" Allison's toddler squealed as she ran down the hill by her house with her jogging stroller. As a longtime runner and running biomechanics researcher, she found herself in the ...

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 ...

Running's a great way to stay in shape, but it's essential to ensure that you're running correctly to avoid injury. These drills can help improve your form. Running is a great way to stay in shape, ...

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: ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

If you’ve just started pounding the pavement, you probably had this thought cross your mind soon after lacing up: What does proper running form look like? Am I running “wrong”?! Since you probably ...