Ever wondered what’s actually going on inside your body during a marathon? In this episode, we break down the science of running 26.2 miles—from your heart and lungs to your muscles, brain, and fueling strategies. Learn how pacing, breathing, nutrition, and mental focus all come together to help you finish stronger and smarter.

Whether you’re a first-time marathoner or chasing a personal best, this episode gives you actionable tips for training, racing, and recovering like a pro. We cover:

How your heart adapts to long-distance running and why pacing matters
Lung efficiency and breathing strategies to sustain energy
Muscle fiber roles and fuel sources to delay fatigue
Mental tricks to push through tough miles
Smart fueling and hydration strategies before and during the race
Recovery tactics to bounce back faster

Tune in for science-backed insights, practical advice, and the inside scoop on what your body really goes through during a marathon.

Guest Info: https://www.instagram.com/patrickdavittphd/

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Body Science

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