
Welcome to the Human Performance Outliers Podcast. Your host Zach Bitter, will take you through a series of interesting topics around health, fitness, endurance, running, hybrid athlete training, ultramarathon, and nutrition. Join in for interviews with folks exploring their outer limits and research in a wide variety of sports, fitness, and nutrition.
| Publishes | Twice weekly | Episodes | 513 | Founded | 8 years ago |
|---|---|---|---|---|---|
| Number of Listeners | Categories | RunningFitnessHealth & FitnessSports | |||

Vic Johnson shares the practical limits of high-carb strategies, discusses how carbohydrate needs can exceed what the gut can absorb, especially under heat and high intensity. Vic shares typical successful ranges, why hotter races and faster pacing w... more
Kilian Korth joined the show to have a discussion around ultrarunning's growing professionalization without sophisticated regulated drug testing, the limits and trade-offs of WADA/USADA-style regimes, and why "doping" as a blanket term obscures inten... more
Josh Kerr shattered the mile World Record, running 3:42.66. Everett Smulders has run 3:58 in the mile, and follows the sport closely, so he joined me to discuss everything surrounding this historic day. We dive into what made this such a mainstream a... more
There was recently some controversy at the Biotropica Backyard Ultra where both the men's and women's world bests were broken. After the event concluded, it was revealed that some violations occurred, causing all results from the event to be disquali... more
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Zach you sound terrified of a200. But I think you’d do great in a backyard
Zach deliveres the perfect balance between data-driven, science-backed talk and personal experience. This creates conversations that are personable and compelling, and there are always little gems of actionable next steps to take as an ultra runner.
Of a 25min podcast 10min was spend on his sponsors, code, draw, and socials…. That one of the worst ratio I have seen in the podcast world.
Zach covers a wide-range of health, wellness, and running topics. I’m always learning from keeping an open-mind to his and his guest’s opinions, the same way Zach approaches his own evolution. We are lucky to have Zach (and occasionally Nicole) in the space. ✌🏻💚🏃🏼♂️
I’ve been following HPO for a couple years now. While there are a number of great podcasts on running, I can say that HPO has had the most dramatic effect on my personal running improvement. Zach’s ability to discuss complex topics ranging from nutrition, mindset, training, and general running philosophy is impressive. He’s an important voice for the ultra-running community and those of us who are open to learn are lucky to have such an accessible podcast to improve our own performance. Thanks Z... more
Key themes from listener reviews, highlighting what works and what could be improved about the show.
How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.
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Apple Podcasts | #148 |
Recent interactions between the hosts and their guests.
Listeners, social reach, demographics and more for this podcast.
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This show centers on endurance, athletic performance, and science-driven training, with a steady focus on ultrarunning, nutrition, and mind-set. Guests range from elite ultramarathon runners and coaches to researchers exploring fueling strategies, sleep, and recovery, often discussing practical tactics for durability, pacing, and performance across multi-day events. The host frequently explores how media, sponsorships, technology, and storytelling influence modern endurance sport, offering actionable insights for both aspiring athletes and industry professionals. A notable strength is the breadth of expertise—from clinical nutrition to real-world race experience—paired with a calm, methodical interviewing style that brings clarity to comple... more
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These podcasts share a similar audience with Human Performance Outliers Podcast:
1. Singletrack
2. Everyday Ultra
3. Some Work, All Play
4. The Freetrail Podcast with Dylan Bowman
5. The Boulder Boys Show
Human Performance Outliers Podcast launched 8 years ago and published 513 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.
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Recent guests on Human Performance Outliers Podcast include:
1. Lotti Brinks
2. George Kusche
3. Nick Coury
4. Ian Sharman
5. Kevin Goldberg
6. Brian Peterson
7. Kilian Korth
8. Rachel Entrekin
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