Professional runner Dylan Bowman invited me into his home to discuss his running. We cover topics ranging from his development and early years, to his motivations and mindset, to racing strategy and more.

Interested in training on low glycogen levels? Doing it by running in the morning, without breakfast? If so, you may not be doing what you intend. In this episode, I explain why...and provide an actionable and reliable approach to do it right.

Alex Hutchinson is a prolific science-based writer who covers all facets of running. In this interview, we dig into the insights he's developed over the years and talk about his new book: Endure: Mind, Body, and the Curiously Elastic Limits of Human Performance.

Amino acids, the leucine trigger, and branched chain amino acids. What do you need, should you supplement, do they aid performance...all these question answered and much more.

An overview of recovery strategies with Dr. Shona Halson, Senior Recovery Physiologist at the Australian Institute of Sport.

Today’s episode is a special compilation of advice from some of the brightest and most insightful minds in the world of sports physiology. I ask many of my guests for their insight and wisdom into the biggest mistakes and the most grounded advice from their years of experience in respective fields. This special episode of Science Of Ultra is a curation of the practical wisdom in those answers from the first 25 episodes.

Listener questions answered!

Backpacking legend, Andrew Skurka, is also an outstanding ultra runner. Today, we learn about the psychology, mindset, and perspectives it takes to become one of the most accomplished adventurers in the world.

So, you've been running for 4...6...10...18...24...hours. Yes, your legs are tired. But, what about your respiratory muscles? Are they suited to breathing heavily for that long? Do they fatigue? Does greater effort to breath in a long ultra translate into higher ratings of perceived exertion? Check out my interview with Darlene Reid, PhD to learn the answers to those questions and how you can train your respiratory muscle to become your ultra best!

Guillaume Millet, Ph.D. is the world's leading expert on neuromuscular fatigue in ultramarathons. We explore the many facets of fatigue and bring his years of field research to you in practical and applied terms that you can use to help become your ultra best.