Zach Bitter
Human Performance Outliers Podcast with Zach Bitter
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.
Author
Zach Bitter
Category
Podcast website
Latest episode
Jul 5, 2026
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Episodes
Episode 349: Keto Without The Crazy - Amy Berger 05.05.2023 1:10:02
Amy Berger returns to share her approach to helping people manage keto and low carbohydrate diets. Amy has a Master's Degree in Human Nutrition from the University of Bridgeport, a Certified Nutrition Specialist (CNS), and certified Nutritional Therapy Practitioner. Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast LMNT: drinkLMNT.com/HPO Zach's Coaching: zachbitter.com/coach...
Episode 348: Long Intervals Simplified 28.04.2023 27:09
For this episode, I describe a simple way to implement long intervals into your training without overcomplicating things. This may help better understand perceived effort, and create an understanding that will allow for building in more variables to future long interval sessions. LMNT: drinkLMNT.com/HPO HPO Sponsors: zachbitter.com/hposponsors Support HPO: zachbitter.com/hpo HPO Patreon: patreon...
Episode 347: Low Carb Endurance - Dr. Dan Plews 12.04.2023 1:08:22
Dr. Dan Plews is an Applied Sports Scientist (PhD Exercise Physiology), researcher, and endurance coach. He has competed at a high level in triathlon, including an age group record at Kona. He has worked with numerous world and Olympic class athletes in the sports of rowing, kayak, and triathlon. He employs a low carbohydrate approach to his own training and racing, and with some of his coaching c...
Episode 346: Short Intervals Simplified 06.04.2023 23:57
For this episode, I describe a simple way to implement short intervals into your training without overcomplicating things. This may help better understand perceived effort, and create an understanding that will allow for building in more variables to future short interval sessions. Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach's Coaching: zachbitter.com/coaching LMNT:...
Episode 345: 2x Barkley Marathons Finisher - John Kelly 28.03.2023 1:06:29
John Kelly is an ultramarathon athlete, Chief Technology Officer of Envelop Risk, holds a PhD in electrical engineering and machine learning from Carnegie Mellon, and is a father of four. Barkley Marathons is considered by many one of the hardest endurance events to complete, with only 17 total finishers and 21 total finishes in it's history. LMNT: drinkLMNT.com/HPO Support HPO: zachbitter.com/hp...
Episode 344: Endurance Training Simplified 24.03.2023 52:29
There are a lot of ways to prepare for endurance events, and countless ways to structure workouts. For this episode, I scaled it all way down to five core intensities to work on to prepare for your next event if you are looking to get back to the basics and simplify your training, and better understand targeting different intensities in training. From here, you can add as you see fit! LMNT: drinkL...
Episode 343: How To Win The WSER 100 Mile - Pam Smith 21.03.2023 1:08:14
Pam Smith returns for part two to educate me and Nicole on how she went from finishing in the back of the field at the 2012 Western States Endurance Run to winning it in 2013. She also became one of very few women in history to finish in the top 10 overall at WSER. LMNT: drinkLMNT.com/HPO Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Talk To Zach: zachbitterconsultation.as....
Episode 342: Ultramarathon Legend - Pam Smith 14.03.2023 1:13:40
This is part one of two episodes with Pam Smith. Pam put together what many consider one of the best build ups and race execution at the 2013 Western States Endurance Run. Nicole and I will be interviewing her in part two, specifically on this topic. For this episode, I dive into all sorts of ultramarathon topics with Pam Smith, including: her massive range within the sport, her fueling strategy,...
Episode 341: New Study Questions Low Carbohydrate Performance Deficit 08.03.2023 40:18
A new study looks at how a low carbohydrate diet impacts higher intensity endurance training. Let's take a look! LMNT: drinkLMNT.com/HPO Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach's Coaching: zachbitter.com/coaching Full Study : https://www.frontiersin.org/articles/10.3389/fnut.2023.1084021/full Zach: zachbitter.com IG: @zachbitter Tw: @zbitter FB: @zbitterendur...
Episode 340: 6-Steps To Grow As A Runner - Duane Scotti, PT, DPT, PhD 28.02.2023 1:15:35
Dr. Duane Scotti, DPT, PhD, OCS is a running physical therapist, run coach, host of the Healthy Runner podcast, and founder of Spark Healthy Runner and has been a leader in the rehab and running community for 20+ years. For this episode, we unpack his six steps to grow as a runner, which includes: mindset, strength training, run plan, nutrition, recovery, and race strategy. Support HPO: zachbitter...
Episode 339: Time Restricted Eating & Performance 23.02.2023 41:23
For this topic based episode, I look into time restricted eating and how it relates to performance, mainly in relation to endurance, and weight management. Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach's Coaching: zachbitter.com/coaching LMNT: drinkLMNT.com/HPO Zach: zachbitter.com IG: @zachbitter Tw: @zbitter FB: @zbitterendurance Strava: Zach Bitter Effects of faste...
Episode 338: Appalachian Trail Record Attempts - Kristian Morgan 17.02.2023 1:15:38
Kristian Morgan is an ultramarathon athlete who focuses on long trail projects. He currently holds the second fastest completion of the Appalachian Trail, which he completed in 44 days 4 hours 54 minutes. Kristian is currently gearing up for another attempt. LMNT: drinkLMNT.com/HPO HPO Sponsors: zachbitter.com/hposponsors Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach's...
Episode 337: The Long Run - Considering The Variables 15.02.2023 32:27
For this topic based episode, I dive into what to consider when building out a long run. Points discussed: physiological benefits, endurance and stamina development, fueling and hydration practice, highs and lows during long sessions, race day pace development. Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach's Coaching: zachbitter.com/coaching Zach: zachbitter.com IG: @z...
Episode 336: Steve Magness - Training Principles, Mental Toughness, Measurables, & Sex Based Categories In Sport 10.02.2023 1:23:56
Steve Magness is a world-renowned expert on performance. He is the author of the new book Do Hard Things: Why We Get Resilience Wrong and The Surprising Science of Real Toughness . He is the coauthor of Peak Performance. The Passion Paradox , and the author of The Science of Running. Collectively his books have sold more than half a million copies in print, ebook, and audio formats. For this episo...
Episode 335: Training Progression & Rocky Raccoon 100 Mile 08.02.2023 39:21
For this episode I outline my training progression since recovering from the Brazos 100 Mile, and why I jumped into the Rocky Raccoon 100 Mile after a big training block. I also cover some application of short intervals targeting velocity at VO2max. LMNT: drinkLMNT.com/HPO Zach's Coaching: zachbitter.com/coaching Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach: zachbitte...
Episode 334: Adult Recess With Brad Kearns 06.02.2023 1:18:00
Brad Kearns, 58, is a New York Times bestselling author, Guinness World Record setting professional Speedgolfer , #1 USA-ranked Masters age 55-59 track&field high jumper in 2020, and former national champion and #3 world-ranked professional triathlete . LMNT: drinkLMNT.com/HPO HPO Sponsors: zachbitter.com/hposponsors HPO Patreon: patreon.com/HPOpodcast Zach's Coaching: zachbitter.com/coaching Brad...
Episode 333: Training Once vs Twice Per Day 31.01.2023 33:27
This is a listener inspired topic episode. The topics discussed include, is it better to run once per day or twice, assuming volume and intensity equates. I opened this topic up a bit to discuss some other variables to consider when spacing workouts and intensities. Also, my take on ties in major races. LMNT: drinkLMNT.com/HPO HPO Sponsors: zachbitter.com/hposponsors Support HPO: zachbitter.com/h...
Episode 332: Low Carbohydrate Endurance With Leighton Phillips 26.01.2023 1:10:35
Leighton Phillips has trained and raced endurance events from a young age. This included swimming, triathlon, and ultramarathon. After years of endurance experience, Leighton wanted to explore the world of low carbohydrate nutrition and performance. Along the way, he developed a product line SFuels, which he worked closely with Dan Plews, PhD to develop and finetune. LMNT: drinkLMNT.com/HPO HPO S...
Episode 331: Working Out While Sick & Cool Downs 24.01.2023 44:00
This topic episode dives into working out when sick and when it is okay to resume training, and the reason and application of cool downs, with a final consideration about long cool downs. Thanks to Hans Weber & Jonas Narkeliūnas for submitting these topics. LMNT: drinkLMNT.com/HPO HPO Sponsors: zachbitter.com/hposponsors Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOpodcast Zach'...
Episode 330: Paul Laursen, PhD - HIIT Science & Low Carb Endurance 20.01.2023 1:19:54
Paul Laursen is an author, endurance coach, high-performance consultant and entrepreneur. He has used and coached athletes on low carbohydrate nutrition. He was formerly employed as the Physiology Manager for High Performance Sport New Zealand, and has retained his former joint role as Adjunct Professor of Exercise Physiology at Auckland University of Technology. He is also the co-founder and CEO...
Episode 329: Optimal Training Duration & Recovery 12.01.2023 22:26
For this episodes, I dig into a couple of listener suggested topics. 1) Optimal training time and structuring volume and frequency 2) Timeline to recover from a race Support HPO: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching HPO Patreon: patreon.com/HPOpodcast Zach: zachbitter.com IG: @zachbitter Tw: @zbitter FB: @zbitterendurance Strava: Zach Bitter
Episode 328: Nicole Bitter - Bandera 100km - The Mental Side Of Ultra 08.01.2023 1:10:08
Nicole Bitter returns after her second place finish to Courtney Dauwalter at the Bandera 100 Kilometer. The Bandera 100 Kilometer hosts one of the Golden Ticket races, where the top two men and women received invites into the highly competitive Western States Endurance Run 100 Mile (WSER). Nicole reflects on what it took to move up the field over the day, and punch her ticket to WSER. Some focus i...
Episode 327: Training In Cold Weather & My Coldest Sessions 30.12.2022 37:38
I recently came back from a trip to the Midwest where I grew up. During this trip the temps dipped to -47F wind chill on one of the mornings. This inspired me to record an episode with some tips for running in cold weather, things to consider, and some stories of very cold training sessions. HPO Sponsors: zachbitter.com/hposponsors Magnesium Breakthrough: https://magbreakthrough.com/human promo c...
Episode 326: Exogenous Ketone Research 16.12.2022 45:28
For this episode, I look at some interesting research on exogenous ketones. Topics included: satiety, body composition, blood sugar impact, performance, and dependency. HPO Sponsors: zachbitter.com/hposponsors Magnesium Breakthrough: magbreakthrough.com/human promo code: HUMAN10 BON CHARGE: boncharge.com/HPO promo code: HPO (20% off) Support HPO: zachbitter.com/hpo HPO Patreon: patreon.com/HPOp...
Episode 325: Doctors Karl & Spencer Nadolsky 09.12.2022 1:19:05
Dr. Spencer Nadolsky is an Obesity and Lipid Specialist Physician, Medical Director of @joinsequence . Dr. Karl Nadolsky is an Endocrinologist, and diplomate of the American Board of Obesity Medicine. They are both former D1 wrestlers, co-hosts of the Docs Who Lift Podcast. Both use a low carbohydrate diet, at times, with their patients, but willingly push back when they believe advocates go beyon...
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