Book — Coach Jason Koop

The benchmark book for ultramarathon training is back for a second edition. When elite and everyday ultrarunners alike want to improve their ultramarathon performance they turn to Coach Jason Koop for guidance and counsel.

Dean Karnazes - Jason Koop is a really good guy. He coached me during the 50 marathons, in 50 states, in 50 consecutive days endeavor and we've stayed close since. He had

Training Essentials for Ultrarunning- Second Edition — Coach Jason Koop

Training Essentials for Ultrarunning - Book Review - Trail And Ultra RunningTrail And Ultra Running

The Book All Serious Ultrarunners Should Read The Runner's Trip: Run Long, Travel Far, Discover More

Training Essentials for Ultrarunning, Glenview Public Library

Book — Coach Jason Koop

These back-to-back sessions (a.k.a. doubles) will make you powerful - Canadian Running Magazine

TRAIL TIPS with Super Coach Jason Koop – T8

Episode 8: Fat Adaptation, Ultramarathon Physiology, and Coaching Science with Jason Koop - Science & Chill, Lyssna här

Book — Coach Jason Koop

Jason Koop: Runner, Head Coach at CTS Ultrarunning (Ep.20)

Book Review: Training Essentials for Ultrarunning by Jason Koop - Run Oregon

Jason Koop leads an ultramarathon training revolution — ATRA

Ultra training from the mind of Coach Koop