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Human Performance Outliers Podcast with Zach Bitter

Mar 30, 2026

Mark 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:


Mar 23, 2026

For 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:


Mar 13, 2026

Jonah 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...


Mar 6, 2026

Raj 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...