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.

Coach Jason Koop, Science Of Ultra Podcast

Book — Coach Jason Koop

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

TRAIL TIPS with Super Coach Jason Koop – T8

Training Essentials for Ultrarunning by Jason Koop Second Edition 2021

The Business of Ultramarathon Coaching-Hosted by Dirk Friel with Jason Koop, Heather Hart and Jeff Browning #203

Run With Fitpage, Jason Koop- Head Coach of CTS Ultrarunning

Book — Coach Jason Koop

Training Essentials for Ultrarunning, Glenview Public Library

Training Essentials for Ultrarunning by Jason Koop Second Edition 2021

Ep 18: Jason Koop, Head Coach of CTS Ultrarunning on Getting Faster and How to Not

Q & A with Jason Koop – Keeping Up With Koop