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KoopCast

by Jason Koop

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Latest episodes

Koop AI, Unboxed

October 8, 2025 · 1 hr 2 min

We reveal how Koop AI turns 25 years of coaching into an adaptive, terrain-aware training system for trail and ultra runners. We share why we built it, what it does today, where it falls short, and how we’re improving it with real race…
Brain Endurance Training with Scott Frey, PhD | KoopCast #244

May 23, 2025 · 1 hr 4 min

Dr. Scott H. Frey is an internationally renowned neuroscientist and psychologist, accomplished endurance athlete, author, and teacher. Scott helps individuals and groups identify and realize their aspirations. He can be reached at…
Insights from Ultramarathon Pacing Strategies with Baptiste Morale | KoopCast #243

May 16, 2025 · 58 min

Baptiste Morel-Prieur is a author on a recent paper titled Submaximal force-velocity relationships during mountain ultramarathon: Data from the field Research from the 2023 UTMB offers ground-breaking insights into trail running…
Monitoring for Overtraining Syndrome with Sophie Herzog, PhD | KoopCast #242

May 9, 2025 · 1 hr 6 min

Sophie Herzog is the Owner and Co-founder and primary performance analyst at the MRYA center for athlete development. MYRA institute: https://www.myracad.com/ Koopcast on HRV https://www.myracad.com/articles/the-athlete…
Training the Gut for Ultramarathons with Isabel Martinez #241

April 24, 2025 · 52 min

Isabel Martinez is a Research Sports Dietitian In the Department of Nutrition, Dietetics and Food at Monash University. She is the author of several studies on gut training as well as consults with athletes in this area. The Effect of…

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The Brain’s Role in Ultrarunning Performance with Scott Frey, PhD (2024) #240

April 17, 2025 · 1 hr 37 min

Dr. Scott H. Frey is an internationally renowned neuroscientist and psychologist, accomplished endurance athlete, author, and teacher. Scott helps individuals and groups identify and realize their aspirations. He can be reached at…
Durability in Ultrarunning with Michele Zanini, PhD | KoopCast #239

April 10, 2025 · 1 hr 9 min

Michele Zanini is a PhD candidate at Loughborough University as well as the head of Strength and Conditioning for the Italian Triathlon Federation. During this podcast we ddiscuss the concept of durability as it relates to ultramarathon…
Polarized or Pyramidal Training for Ultrarunning with Michael Rosenblat, PhD #238

April 4, 2025 · 1 hr 19 min

Michael Rosenblat comes back on the podcast to discuss his new paper exploring what types of interval workouts are most effective for Ultrarunners. Which Training Intensity Distribution Intervention will Produce the Greatest Improvements…
High Carbohydrate Intake for Ultrarunners #237

October 25, 2024 · 1 hr 23 min

Aitor Virbay is a Researcher in Exercise Physiologist and Metabolism and the Head of the nutrition and physiology department for the WT INEOS Grenadiers cycling team. He is also a scientific advisor to elite athletes and various companies…
Elite Athlete Contracts with Kelly Newlon #236

September 30, 2024 · 1 hr 41 min

Curious about the secrets behind elite athlete contract negotiations? Get ready to master the art of securing powerful deals as we sit down with Kelly Newland, an expert who has transitioned from catering to top athletes to advising them…
Thoughts on DNF with Coaches AJW and Neal Palles #235

September 21, 2024 · 1 hr 9 min

What drives an ultra marathoner to push through the final miles, or decide to DNF (Did Not Finish)? This episode tackles this profound question head-on, drawing from recent high-profile races like UTMB, Run Rabbit Run, and Leadville Trail…
Double Threshold Workouts for Ultrarunning with Rune Talsnes #234

September 12, 2024 · 48 min

Coach Jason Koop discusses the merits of double threshold workouts with Rune Talsnes. Comparison of acute physiological responses between one long and two short sessions of moderate-intensity training in endurance athletes. SUBSCRIBE to…