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Alex Hutchinson (Sweat Science)

Alex Hutchinson (Sweat Science)

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Journalist and endurance science analyst; evidence-based takes on cadence, training psychology, physiology.

Fast Marathoners Lose More Weight than Slower Runners
Social•Apr 2, 2026

Fast Marathoners Lose More Weight than Slower Runners

I grew believing that any amount of dehydration is too much. A simple study changed my mind: faster finishers at a marathon lost more weight than slower finishers. “Inverse relationship between percentage body weight change and finishing time in 643 forty-two-kilometre marathon runners,” Zouhal et al., BJSM 2011.

By Alex Hutchinson (Sweat Science)
Tricking Temperature Perception Boosts Cycling Performance in Heat
Social•Mar 18, 2026

Tricking Temperature Perception Boosts Cycling Performance in Heat

Coming from Toronto and trying do mile reps in the middle of a heat wave in Tucson, I keep this study in mind: “Deception of ambient and body core temperature improves self paced cycling in hot, humid conditions,” Castle et al.,...

By Alex Hutchinson (Sweat Science)