Jason Koop

Books2

Cover of Training Essentials for Ultrarunning

Training Essentials for Ultrarunning

2021

with Jim Rutberg and Corrine Malcolm

Cover of Training Essentials for Ultrarunning: How to Train Smarter, Race Faster, and Maximize Your Ultramarathon Performance

Training Essentials for Ultrarunning: How to Train Smarter, Race Faster, and Maximize Your Ultramarathon Performance

2016