KoopCast

KoopCast

Coach Jason Koop covers training, nutrition and recent happenings in the ultramarathon world.

Episodes

October 8, 2025 61 mins

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 data.

• why serious runners wanted expert validation without elite pricing
• the three pillars of coaching we modeled: prescribe, analyze, communicate
• onboarding that pulls real hi...

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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: Scott@CerebralPerformance.com

Want to become a better coach? Check out UESCA’s Ultramarathon Coach Certification.- https://uesca.com/courses/uesca-ultrarunning-coach-certification/

Sign up for CT...

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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 performance by analyzing how runners handle different gradients throughout a race. Batiste Moral shares his data-driven approach that identifies specific areas where athletes can improve from year to year.

• ...

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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-athletes-career-insurance-implementation-of-monit
oring-tools-to-prevent-underperformance-in-sports

Sign up for CTS Coaching-https://trainright.com/coaching/ultrarunning/

Subscribe to Research Es...

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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 Gut-Training and Feeding-Challenge on Markers of Gastrointestinal Status in
Response to Endurance Exercise: A Systematic Literature Review
https://pubmed.ncbi.nlm.nih.gov/37061651/

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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: Scott@CerebralPerformance.com
Additional resources:
https://www.cerebralperformance.com/

Sign up for CTS Coaching-https://trainright.com/coaching/ultrarunning/

Subscribe to Resear...

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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 performance.

Papers discussed-
Durability of Running Economy: Differences between Quantification Methods and Performance Status in Male Runners

Sign up for CTS Coaching-https://trainri...

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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 in Maximal Oxygen Update and Time-Trial Performance in Endurance Athletes? A Systematic Review and Network Meta-analysis of Individual Participant Data.

Michael’s website-https:...

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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 as well as the Founder and Director of Glut4Science, a platform for scientific outreach.

Glut4Science: https://glut4science.com
Aitor’s X Account: https://x.com/mvaitor

SUBSC...

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September 30, 2024 101 mins

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 on contract strategies. Inspired by her popular Instagram series, Kelly shares invaluable tips and tactics for athletes preparing to reCoach Jason Koop sits down with Kelly Newlon to discuss the st...

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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 100. We explore the mental frameworks and pre-race preparations that can make or break an athlete's performance. By sharing personal stories and expert insights, we aim to provide guidance th...

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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 Research Essentials for Ultrarunning

Additional resources:
Buy Training Essentials for Ultrarunning on Amazon or Audible.
Information on coaching-
www.trainright.c...

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Coach Jason Koop sits down with Stephanie Howe PhD, Nicole Rasmussen and Sarah Scozzaro to discuss the development and launch of our High Performance Coaching service for elite ultra runners.

Info on the High Performance Coaching Program
Subscribe to Research Essentials for Ultrarunning

Additional resources:
SUBSCRIBE to Research Essentials for Ultrarunning
Buy Training Essentials for Ultrarunning on ...

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Ever wondered how elite trail and ultra runners manage to stay competitive throughout a jam-packed racing calendar? Join us as CTS coaches Neal Pallas and Adam Ferdinandson unlock the secrets to mastering the race recovery cycle. From developing tailored recovery plans to navigating the intricacies of transitioning between different race categories, this episode is loaded with actionable strategies to keep you performing at your pe...

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Coaches Stephanie Howe, PhD and Ryne Anderson discuss what athletes should and should not be doing in the several days leading up to UTMB.
Timeshifter app

Additional resources:
SUBSCRIBE to Research Essentials for Ultrarunning
Buy Training Essentials for Ultrarunning on Amazon or Audible.
Information on coaching-
www.trainright.com
Koop’s Social Media
Twitter/Instagram- @jasonkoop

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Luca Filipas is a coach, researcher and exercise physiologist based out of Milan Italy. He is the coach of TotalEnergies Pro Cycling Team, Owner and Coach of Endurance Academy and Researcher at the University of Milan.

Paper discussed-Beyond the classical periodization: the new frontier of micro-periodization for endurance disciplines

Previous podcast with Luca

The use case for HRV in ultrarunning with M...

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Uncover the secrets to excelling in extreme heat with Julian Perriard, a leading expert in environmental physiology. As the Western States Endurance Run approaches, Julian provides cutting-edge strategies for heat mitigation, including ice baths, slurries, and menthol gels. With rising global temperatures impacting athletic performance, we delve into crucial safety measures for endurance athletes. Learn how to maximize your perform...

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Coach AJW discuss all things Western States 100 including how to manage before and during race. This podcast is a must have for any athlete and crew preparing for the Western States 100.

Crack a Brew with AJW
Heat Acclimation Strategies with Julién Periard

Additional resources:
SUBSCRIBE to Research Essentials for Ultrarunning
Buy Training Essentials for Ultrarunning on Amazon or Audible.
Informat...

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Doug Brown is the founder and CEO of Untapped. In this discussion we review how nutrition labels are created and what the quality control process looks like for a nutrition product that is derived from natural components. 

Additional resources:
SUBSCRIBE to Research Essentials for Ultrarunning
Buy Training Essentials for Ultrarunning on Amazon or Audible.
Information on coaching-
www.trainright.com
Koop...

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Our Research for Essentials for Ultrarunning team discuss the recent Spring Energy debacle.
Access the Spring reports

Stephanie Howe-https://trainright.com/coaches/stephanie-howe/
Nick Tiller-https://skepticalinquirer.org
Jim Rutberg-https://trainright.com/coaches/jim-rutberg/

Join Coach Jason Koop, Stephanie Howe, Nick Tiller, and Jim Rutberg on this episode of the KoopCast as they discuss lab result...

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