The best distance runners in the world are from Ethiopia where most grew up barefoot which accounts for their flawless forefoot running style. Below outlines how we can learn from their form.

What is the Correct Foot Strike for Running? Worlds Top Coach Says Forefoot Strike NOT Heel Strike
One of the best distance running coaches in history, Alberto Salazar, emphasizes with verifiable facts that forefoot striking is the correct foot strike, and heel striking is not.