Frederic Sabater Pastor is a CTS ultrarunning coach with a PH.D. in Exercise Physiology and experiences coaching athletes for a variety of challenges. He is also a Postdoctoral researcher at the Inter-university Lab of Human Movement. His areas of focus are running, trail, performance, physiology, and fatigue.SUBSCRIBE to Research Essentials for UltrarunningBuy Training Essentials for Ultrarunning on Amazon or AudibleInformation on coaching-www.trainright.comKoop’s Social MediaTwitter/Instagram- @jasonkoop