Episode 281: ZACH BITTER Low-Carb Performance Insights from 100-Mile Ultramarathon World Record Holder

keto running training Jun 13, 2025

   

Zach Bitter is a professional endurance athlete, coach, and podcast host of the Human Performance Outliers Podcast. He has broken multiple World and American records within ultramarathon and competed for Team USA’s 100km World Championships Team.

In this episode, Zach shares about his long distance running records and experiences, while being low carb and ketogenic, as well his view on running shoes, and how to overcome mindset struggles when the going gets tough.

Learn more about Zach here: http://zachbitter.com

Instagram: @zachbitter

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CHAPTERS:

0:00 Intro
4:00 Zach's running records & experiences
13:55 Other training modalities
18:00 Low carb for 14 years
22:10 Things that hold people back in long distance running
29:00 Ketogenic macros
31:03 Running shoes
40:05 Moments when Zach struggled with mindset

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