Nutrition
Caffeine Pre-Race Gut Risk
Caffeine pre-race gut risk comes from stacking coffee and caffeinated gels—speeding motility and reflux when nerves and jostling already stress the gut.
Caffeine pre-race gut risk stacks coffee, gels with caffeine, and pre-workout stimulants into one morning—speeding motility and reflux when nerves already tighten the gut. Many runners tolerate one tested dose; doubling on race day invites trots.
Trial caffeine on long runs, not the first marathon.
Common questions
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Should you skip caffeine entirely if the gut is sensitive?
Not mandatory—use one source you have rehearsed, often three to four hours before or a single gel dose on course. Removing all caffeine on race day can blunt performance if you train with it.
Related terms
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