Sinopsis
Welcome to the Human Performance Outliers Podcast. Your hosts, Dr. Shawn Baker and Zach Bitter, will take you through a journey of the outer edges of human performance. Interviews, listener Q&A, and topic based discussion within the world of athletics and nutrition will be explored. Enjoy!
Episodios
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Episode 484: Influencers v. Athletes | Tommy Lewis
24/04/2026 Duración: 01h32minTommy Lewis hosts the podcast, That's Runnable, and is a content creator with a passion to introduce people to running. He joined the show to discuss the role influencers and athletes play in growing the sport of running, where conflicts arise, and what he believes the path forward is for these two influential groups. Tommy: thatsrunnable.com | IG: @tommyrunpt Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Podcast Details: Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 483: Arizona Monster 300 Course Record | Mike McKnight
17/04/2026 Duración: 01h17minMike McKnight is an ultramarathon athlete, coach, and former Triple Crown of 200s record holder. He is a trailblazer for 200+ mile trail events, and on a mission this year to win as many as possible. He recently won and set the course record at the Arizona 300 Mile, and has his sights on Cocodona 250, Tahoe 200, Hardrock 100, Bigfoot 200, and Moab 240 this year. Mike: greatwesternadventures.com | IG: @mikejmcknight Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) Podcast Details: HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 482: What Performance Fueling Shows Us | Dr. James DiNicolantonio
06/04/2026 Duración: 01h06minDr. James DiNicolantonio is a cardiovascular research scientist and Doctor of Pharmacy and has worked with professional athletes across sports. We cover the topic of fueling sport, and what to make of the extremes often discussed online. James: drjamesdinic.com | IG: @drjamesdinic | X: @drjamesdinic | YouTube: @dr.jamesdinicolantonio2215 Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) Podcast Details: Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 481: Multi-day & Backyard Ultras | Mark Dowdle
30/03/2026 Duración: 01h30minMark Dowdle specializes in long multi-day and backyard ultramarathons. He shares his experience coming from a non-running background. We discuss what makes multi-day ultras and backyard ultras unique and how the variables impacting performance shift compared to shorter ultras and endurance events. Mark Dowdle: www.mark-dowdle.com | IG: @mark.dowdle | YT: @mark.dowdle Episode Sponsors: LMNT: https://drinkLMNT.com/HPO (free sample pack with purchase) deltaG: https://deltagketones.com Code: BITTER20 (20% Off) ProBio: https://www.probionutrition.com/endurance Code: Endurance (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Endurance Training Simplified Series: https://zachbitter.com/endurance-training-series Support HPO: Website: https://zachbitter.com/hpo Patreon: https://patreon.com/HPOpodcast Coaching: https://zachbitter.com/coaching Zach's Newsletter: https://substack.com/@zachbitter
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Episode 480: Has Endurance Fueling Bonked?
23/03/2026 Duración: 30minFor this episode, I dive into some of the extremes we often see with respect to fueling strategies in endurance sports, both on the high and low end of carbohydrate consumption, and what we can make of it all. Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial)
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Episode 479: Is Low Carb Performance Misplaced? | Jonah Rosner
13/03/2026 Duración: 01h14minJonah Rosner is a sport scientist, performance coach, and the founder of Marathon Science, a platform dedicated to translating cutting-edge endurance research into practical insights for runners and hybrid athletes. Jonah previously worked in the NFL and now focuses on helping endurance athletes train smarter through evidence-based training, nutrition, and performance strategies. Jonah: @rosnerperformance | Newsletter: marathonscience.beehiiv.com Free resources for audience from Jonah 1. The Gel Cheat Sheet - breaks down race-day fueling strategy, gel timing, and the carbohydrate recommendations we discussed. Exactly the kind of practical takeaway your audience can use immediately. https://marathonscience.beehiiv.com/new-gel-guide 2. The Foot and Calf Strength Plan - a free gym program targeting the musculature below the knee that we touched on when talking about BFR and neuromuscular durability for endurance athletes. Covers calf raises, single-leg work, and progressive loading. https://marathonscience.beeh
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Episode 478: 100 Mile Record Redemption | Raj Pannu
06/03/2026 Duración: 01h11sRaj Pannu recently won and set the course record at the USATF 100 Mile National Championships. Raj was determined for redemption this year after being DQ'd last year due to his shoes not meeting USATF guidelines. In this episode, we discuss his trajectory through the 100 mile distance and steady improvements over the years. Raj: @lightningraj Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 477: Cocodona 250 Ultra Champ | Rachel Entrekin
27/02/2026 Duración: 01h23minRachel Entrekin is a 2x Cocodona Champion, and course record holder. She joined me for an in-depth interview discussing her transition to professional running, training methods, multi-day race strategy, and the evolution of ultrarunning. Rachel: rachelentrekin.substack.com | IG: @rachel__entrekin Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 476: Carbohydrate Fueling Strategies For Runners | Claire Shorenstein
20/02/2026 Duración: 01h29minHigh carb fueling has been gaining momentum over the past few years. Claire Shorenstein shares some things to consider around this process to make it more sustainable and long lasting. Claire is a sports dietitian who hosts Eat for Endurance. She is a Board-Certified Sports Dietitian (MS RD CSSD) with over a decade of experience helping active people achieve their nutrition, health, and fitness goals. I'm also a longtime endurance athlete, with a passion for trail and ultra running. Claire: eatforendurance.com | IG: @eatforendurance Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Jour
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Episode 475: Are Multiday Ultramarathons Soft?
16/02/2026 Duración: 32minThe sport of ultramarathon is growing! With that, we have much more exposure to the wide range of events that fall within the ultra category. With growth, we see increased competitive pressure, but not always in a uniform manner. Let's discuss what this means for the different disciplines within ultramarathon, and what we will likely see in the coming years. Endurance Training Simplified Series Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 474: 3:58 Mile to Ultra | Everett Smulders
06/02/2026 Duración: 02h14minEverett Smulders is an American distance runner, coach, and entrepreneur. He became an NCAA All-American and achieved a personal best of 3:58.93 in the indoor mile (2021), going sub-4:00, along with strong marks like 1:48.31 in the 800m and 3:42.86 in the 1500m. After college, he transitioned into ultra running and endurance events. He is the founder and CEO of WesFly Athletics (or WesFly Training Systems), a running media and coaching brand. Everett: wesflytrained.club/apply? I IG: @coachsmulders Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial) Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Z
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Episode 473: The Trial of Miles Chasing Olympic Trials Marathon Peter Bromka
30/01/2026 Duración: 01h51minPeter Bromka is a 2:19 marathoner, acclaimed writer, and passionate voice in the running community. Peter transformed his marathon debut from 3:07 to 2:19, coming agonizingly close to the U.S. Olympic Trials qualifying standard. Peter co-hosts the podcast, Road to the Olympic Trails, where collaborates with Lindsey Hein and Matt Chittim to uncover the stories behind the Olympic Marathon Trial Qualifiers. Peter: peterbromka.com I IG: @bromka | X: @bromka Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 472: Brad Stulberg The Pursuit of Excellence
26/01/2026 Duración: 01h02minBrad Stulberg researches, writes, and coaches on health, well-being, and sustainable excellence. He is the bestselling author of The Practice of Groundedness and co-author of Peak Performance. Stulberg regularly contributes to the New York Times, and his work has been featured in the Wall Street Journal, Washington Post, Los Angeles Times, The New Yorker, Sports Illustrated, Outside Magazine, Forbes, and other outlets. He also serves as the co-host of The Growth Equation podcast and is on faculty at the University of Michigan's Graduate School of Public Health. In his coaching practice, he works with executives, entrepreneurs, physicians, and athletes on their mental skills and overall well-being. He lives in Asheville, North Carolina. Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Supp
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Episode 471: Rory Linkletter | Sub-60 Half Marathon & Marathon Training Evolution
16/01/2026 Duración: 58minElite marathoner Rory Linkletter discusses his historic sub-60 half marathon at Houston, training philosophy changes, and preparation for upcoming races. Rory is coming off a big year, where he placed sixth at Boston in 2:07:02, second at Ottawa in 2:08:31 (winner recently provisionally suspended for doping), ninth at Chicago in 2:06:49. Rory: World Athletics Profile - IG: @rory_linkletter - X: @ThePapaLinks YT: @LinkletterRory Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 470: Strength for Endurance | Jason Fitzgerald
09/01/2026 Duración: 01h17minJason Fitzgerald is a life long runner, and host of The Strength Running Podcast. In this episode, we discuss if Truett Hanes can reach the Olympic Trials Marathon Qualifying time of 2:16, the increase in strength athletes embracing running, the role of strength in running, and the rise in popularity of muscular endurance and fatigue resistance training strategies. Find Jason: strengthrunning.com | IG: @jasonfitz1 | X: @JasonFitz1 Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 469: Failures & Success: Assessing a Training Cycle & Future Planning
31/12/2025 Duración: 31minI ended the year with a race where I didn't meet expectations. These types of experiences offer opportunities about what should be kept, versus what will likely lead to the same mistakes. For this episode, I highlight how I assess a training cycle to tease out the positives and the learning opportunities. Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 468: Desert Solstice | Chasing Fast 100 Milers
17/12/2025 Duración: 42minIn this episode, I reflect on my build into this year's Desert Solstice Track Invitational where I plan to target a fast 100 miler and 12 Hour ultramarathon. Included, my history with this event, how things went leading into it, how I structured my training, and my strategy around nutrition, hydration, pacing, and cooling for the event. Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 467: Cooling, Hydration, & Fueling for Peak Performance | Jeff Mogavero
10/12/2025 Duración: 01h04minIn this episode, Jeff Mogavero joins the podcast to discuss his exciting year in trail and ultra running, including his impressive second-place finish at Javelina (2024), notable performances at Canyons and Western States, and a nail-biting win at Ultra Trail Cape Town. Jeff dives into the specifics behind these successes, highlighting the impact of fine tuning his hydration strategy. The conversation also explores Jeff's unique approach to cooling during hot races, his thoughts on nutrition and fueling, and his plans to tackle races like Western States and UTMB in the future. Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach:
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Episode 466: Running Starter Pack
03/12/2025 Duración: 39minFor this episode, I dive into some of the fundamental elements to structuring a running program in a sustainable way. This guide is helpful for beginners and runners looking to best organize their current training. Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter
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Episode 465: Leadville 100 CR & 50 Mile World Record | Anne Flower
21/11/2025 Duración: 55minAnne Flower burst onto the ultramarathon scene this year by breaking the long standing Leadville 100 Mile Course Record of 31 years at her debut 100 mile race. She turned things around quickly for a very different experience by breaking the 50 Mile World Record at the Tunnel Hill 100/50 three months later. Anne trains and races while maintaining a career as an ER Doctor. Anne: Mountains to Mountains - IG: @_flowpow_ Endurance Training Simplified Series ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Training Peaks: trainingpeaks.com/hpopodcast (free 14-day trial) Support HPO: zachbitter.com/hposponsors HPO Website: zachbitter.com/hpo Zach's Coaching: zachbitter.com/coaching Zach's Journal: substack.com/@zachbitter Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter