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.

What Coaches & Athletes Should Know About the Business of Endurance Coaching

Coach Jason Koop on Smarter Running

TRAIL TIPS with Super Coach Jason Koop – T8

Getting more from your Ambit than just basic stats

3 Steps for Creating Your Ultrarunning Long-Range Plan - Jason Koop

Book — Coach Jason Koop

Coach Jason Koop

FKT Chasing with Abby Hall and Jason Koop

Jason Koop (@jasonkoop) / X

Podcast: Episode 77 with Jason Koop - the morning shakeout

Jason Koop (@jasonkoop) / X

CTS – Bald Runner

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Discover What's New in the Second Edition of Training Essentials for Ultrarunning - Jason Koop

Training Essentials for Ultrarunning by Jason Koop, Jim Rutberg