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.

In Running for Weight Loss: Body Composition, Jennifer Brown and our experts explain: There are many factors that play a role ...

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 ...

A recent study found that strength-based workouts can improve hip strength, balance and flexibility – and they can boost lean ...