Here’s what to know about body composition numbers and what these metrics mean for your health and performance.

From city streets to rural trails, here are the best pairs for any locale—as recommended by runners who’ve logged the miles.

Recently, I had a conversation with someone who expressed an interest in running, but felt the need to lose weight before getting started on their running journey. They described their dieting ...

The good news is that you don’t have to run to build cardio fitness. If pounding pavements isn’t your thing, this no-equipment HIIT workout from a cardio and strength coach will still send your heart ...

These runners have been in the sport for decades. Here’s what they want new runners to know about checking off miles for ...