Training Essentials for Ultrarunning – Second Edition

"Training Essentials for Ultrarunning – Second Edition" by Jason Koop, with contributions from Jim Rutberg and Corrine Malcolm, offers a comprehensive and updated guide for ultrarunners of all levels. This edition builds upon Koop’s evidence-based coaching techniques, refined through over two decades of experience working with elite and amateur runners. Whether you're new to ultrarunning or preparing for advanced challenges like the Leadville Trail 100, this resource aims to enhance your training, nutrition, and mental resilience.