In this episode, Scott Johnston talks with Kilian Jornet. Kilian needs no introduction in the mountain endurance world. But for those who are new to this, he is one of the most accomplished mountain endurance athletes in the world. Join them as they discuss the fundamental importance of long term training adaptations, and how Kilian and other highly successful athletes modulate their training over the weeks, months, years, and decades according to their individual biological talents and limitations.