Running to the Castle

RTTC #242 How to Run Faster in the Summer Heat

July 30, 2026·22 min
Episode Description from the Publisher

Send us Fan Mail In this episode of Running to the Castle, Dr. Ali breaks down why your paces feel so much harder — and slower — when the temperatures climb, using heart rate zones to show exactly what's happening inside your body. She walks through a simple self-experiment comparing your warm-up heart rate on a comfortable day versus a scorching one, and explains why your heart can't tell the difference between beating fast from sprinting and beating fast from heat stress. Dr. Al...

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