Why Downhills Wreck Ultrarunners And How To Train For It

Downhill running creates a strange mismatch: it can feel relatively easy aerobically while placing enormous mechanical stress on your legs. Coach Cliff Pittman explains what's happening inside the muscle during a descent, why technical terrain increases the cost, and how the repeated bout effect allows your body to become more resistant to downhill-induced damage. He also covers how to train when you don't have mountains outside your door, where strength training fits, when to schedule race-s...