Many runners can guess when something obvious is off with their form. Maybe their shoulders start creeping toward their ears, their arms begin to swing across their body, or their posture collapses ...

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 ...

Starting a run routine can feel daunting—and early form issues can make it feel even harder. But you don’t have to constantly worry about whether you’re doing it “right.” By focusing on a few simple ...

In 2011, two years after his book Born to Run launched the barefoot boom, Christopher McDougall offered a clarification. “The ‘one best way’ isn’t about footwear,” he wrote in The New York Times ...