Nutrition
Cold Weather Dehydration for Athletes
Cold weather dehydration for athletes hides fluid loss under layers when thirst fades—schedule drinks and check weigh-ins on long winter efforts.
Cold weather dehydration for athletes happens because sweat and respiratory fluid loss continue under layers while thirst drops—winter runners and skiers often finish under-hydrated despite feeling fine. Warm drinks, scheduled bottle breaks, and weigh-ins on long efforts reveal hidden deficits.
Sodium needs may be lower than summer but are not zero on hard sessions. Do not skip bottles because gear feels bulky.
Common questions
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Do I sweat less in the cold?
You still lose fluid through sweat and breath under layers—thirst just drops. Keep drinking on runs over an hour.
Related terms
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