Why are humans so good at long distance running?

A new anthropological study supports the “endurance pursuit hypothesis,” arguing that endurance running was crucial to our ancestors’ survival

4 spicy tempo run workouts to build unstoppable endurance

You’ll have next-level fatigue resistance on race day after practising these workouts

Should you incorporate speedwork into your long run?

Some say yes; others say long runs are for slow mileage only–so should you, or shouldn’t you?