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: ...

Tailor your Garmin watch setup to your running needs by focusing on key metrics that support your training without overwhelming you, starting simple and adding features as you go. Customize data ...

There are many mysteries in science. What is dark matter? Why are we conscious? Are we alone in the universe? But none looms larger in the mind of the average adult than this: why am I so exhausted ...