Human Performance Outliers Podcast with Zach Bitter

Latest Episodes:

Episode 453: Cam Hanes | The Growth of Ultra Sep 02, 2025

Show notes

Cameron Hanes is an American bowhunter, endurance athlete, author and outdoorsman best known for his relentless pursuit of backcountry bowhunting in the remote wildernesses. His success in a variety of communities has resulted in bringing large groups of people into the sport of ultramarathon. For this episode, we talk about what draws him to ultramarathon, different approaches and personalities within the sport, and what makes the sport so interesting.

Cam: cameronhanes.com | IG: @cameronhanes | Podcast: Keep Hammering Collective | Books: Backcountry Bowhunting, Undeniable: How To Reach The Top And Stay There, Endure: How to Work Hard, Outlast, and Keep Hammering.

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Episode 452: High Carb - My First 8-Weeks Aug 28, 2025

Show notes

After using a low carbohydrate for 14 years over my ultramarathon racing career, I decided for my next 100 mile training cycle and race, to try high carb. I outline why and how the first 8-weeks have gone.

Substack Post: Testing High Carb after 14 years Low Carb

Low Carb Series: My Low Carb Approach

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Episode 451: Running Shoes Will Predict Injury | Royi Metser Aug 14, 2025

Show notes

Royi Metser joined me to share some discuss how we collect data through wearables like watches, foot pods, and heart rate monitors. We dive into the future of how footwear can add to these data points, in an effort to better optimize mechanical loading.

Royi: @royimetser & @avelorunning - Kickstarter

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Episode 450: Fat Oxidation Levers | Dr. Matthew Cook Aug 05, 2025

Show notes

Dr. Matthew Cook is a Senior Lecturer in Sport and Exercise Science at the University of Worcester. Dr. Cook has worked with a range of athletes including cyclists and runners. He joined the podcast to discuss the topic of fat oxidation as it pertains to endurance training and racing.

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

Support HPO: zachbitter.com/hposponsors

HPO Website: zachbitter.com/hpo

Zach's Coaching: zachbitter.com/coaching

Zach's Journal: substack.com/@zachbitter

Dr. Cook: https://www.worcester.ac.uk/about/profiles/dr-matthew-cook

Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter

Episode 449: Nick Bare - BPN Moves into Endurance Jul 29, 2025

Show notes

Nick Bare is the founder of Bare Performance Nutrition (BPN), and has built a large brand around sharing his journey chasing fitness goals. Recently, Nick and BPN launched a Last Man Standing event called, G1M Ultramarathon on his ranch in Texas. It went viral despite little pre event mainstream ultra media coverage, but rather exploded from participants and BPN creating live and pre/post event content around it. We chat about Nick's current build for an Ironman, the future of BPN Ultramarathon and their move into the endurance world.

Nick: nickbare.com | IG: @nickbarefitness | Podcast: Nick Bare Podcast | YouTube: @nickbarefitness | Book: Go One More: Find the Clarity to Make Intentional, Life-Changing Choices

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Episode 448: Shoe Talk with Brady Holmer Jul 23, 2025

Show notes

Brady joined me to chat about some shoes we have been trying out the last couple of months. Shoes we covered include; Speedland RX:FPY, Tracksmith Eliot Racer, Puma Fast-R Nitro Elite III, New Balance 1080v14 & Rebel v4, ON Cloudsurfer II, Brooks Hyperion Max III & Launch 11. Shoe card specs for the models we discussed are available on Instagram at @hpopodcast

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Brady: https://www.physiologicallyspeaking.com/ - X: @B_Holmer - IG: @brady.j.holmer - Strava: Brady Holmer

Episode 447: Ultramarathon Records at Dead Cow Gully | Phil Gore Jul 10, 2025

Show notes

Phil Gore recently broke the Backyard Ultra World Record at Dead Cow Gully, completing 119 yards (6.7 km loop), which totaled 495.86 miles (798.014 kilometers). Phil plans to compete at Big's Backyard, which hosts the Backyard Ultra World Championship. Phil and I dive into all that goes into the preparation and competition within Backyard Ultras, and why bigger numbers are coming.

Phil: @phil.gore.ultrarunner | Strava

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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

Episode 446: WSER 100 - What We Learned Jul 03, 2025

Show notes

WSER 100 is becoming one of the most recognized and high stakes 100 mile ultramarathons for both professionals and ultramarathon participants. we can learn a lot about how participants are preparing and completing this event. Here are some things to consider from what we learned at the 2025 WSER 100.

Heat adaptation and in race management
The power of race day expectations
The psychology around group and competitive pressure
Considerations around varied weather events
The role of super shoes on the trails

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

Support HPO: zachbitter.com/hposponsors

HPO Website: zachbitter.com/hpo

Zach's Coaching: zachbitter.com/coaching

Zach's Newsletter: substack.com/@zachbitter

Find Zach: zachbitter.com - IG: @zachbitter - X/Tw: @zbitter - FB: @zbitterendurance - Strava: Zach Bitter

Episode 445: Jeff Garmire | Cocodona, Media, & Doping Control in Ultra Jun 30, 2025

Show notes

Jeff Garmire is a professional ultramarathon athlete, coach, author, podcast host, and one of a very few to have participated in all Cocodona 250 events. Long ultras are not even long for Jeff, as he has also completed some monster through hikes like John Muir Trail, Arizona Trail, Continental Divide and more. He is currently gearing up for an unsupported attempt on the Appalachian Trail in August.

Endurance Training Simplified Series

Zach's Low Carb Endurance Approach Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

Support HPO: zachbitter.com/hposponsors

HPO Website: zachbitter.com/hpo

Zach's Coaching: zachbitter.com/coaching

Zach's Newsletter: substack.com/@zachbitter

Find Zach: zachbitter.com - IG: @zachbitter - X/Tw: @zbitter - FB: @zbitterendurance - Strava: Zach Bitter

Jeff: freeoutside.com | IG: @thefreeoutside | YouTube: @JeffGarmire | Podcast: Free Outside Podcast

Episode 444: WSER 100 | Meghan Canfield: 13 Finishes, 10 top 10 Jun 24, 2025

Show notes

Meghan Canfield has a deep history and love for the WSER 100 Endurance Run, completing it 13 times and finishing in the top 10 on 10 occasions. She has been a long time friend, and big influence on the ultramarathon community. She joined me to discuss why the WSER 100 is unique, her many experiences with this event, as well as growing with the sport.

Meghan: zenithcoaches.com/about-us/meghan-canfield - IG: @runningmegleg

Endurance Training Simplified Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

Support HPO: zachbitter.com/hposponsors

HPO Website: zachbitter.com/hpo

Zach's Coaching: zachbitter.com/coaching

Zach's Newsletter: substack.com/@zachbitter

Find Zach: zachbitter.com - IG: @zachbitter - X/Tw: @zbitter - FB: @zbitterendurance - Strava: Zach Bitter