
Gut Training for Runners: How to Fuel Without Stomach Problems with Claire Shorenstein, MS CSSD
From Tread Lightly Running Science Podcast by Amanda Brooks and Laura Norris
July 11, 2026 · 39 min · Episode 175
About this episode
This episode discusses gut training for runners with dietitian Claire Shorenstein, focusing on how to fuel effectively without gastrointestinal issues.
Most runners have experienced sloshy stomach, nausea, urgency, or other GI issues during a race or run. However, GI problems do not have to be a part of running! We discuss gut training with board-certified sports dietitian Claire Shorenstein. You will learn protocols for gut training, if gut training reverses during your taper, and how to pick the fuel that sits best with you. Thank you to our sponsors: ✨ Tailwind : Complete sport nutrition made simple, including hydration mixes, high-carb sport drinks, endurance fuel, and recovery mixes. Use code TREADLIGHTLY20 at https://tailwindnutrition.com/TREADLIGHTLY for 20% off your first purchase. In this episode, you’ll learn: ✅ What gut training actually is ✅ An effective gut-training protocol for runners ✅ How your daily diet impacts gut training ✅ Understanding carbohydrate sources and gut transports ✅ How chewing is part of gut training ✅ If gut training detrains during a taper or off-season ✅ How to improve gut tolerance when racing in the heat ✅ If you need to train your gut for hydration Tread Lightly Running is hosted and researched by Amanda Brooks and Laura Norris, MSc. Production, show notes, and graphics by Laura Norris…
People in this episode
Hosts: Amanda Brooks, Laura Norris
Guest: Claire Shorenstein
Topics covered
- gut training
- nutrition for runners
- GI issues
- fueling strategies
- endurance running
Keywords
- gut training
- sports dietitian
- running nutrition
- GI problems
- fueling strategies
- hydration
- carbohydrate sources
Sponsors
Tailwind
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