Thirst-Guided hydration studied in Ultra-Trail runners
NCT ID NCT02519764
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study followed 198 runners in the 2015 Ultra-Trail Mont-Blanc to see if drinking only when thirsty ("at thirst") keeps blood sodium levels more stable compared to other drinking plans. The goal is to understand how hydration affects health during extreme endurance events. Results may help guide safer hydration advice for athletes.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHRU de Nîmes - Hôpital Universitaire Carémeau
Nîmes, 30029, France
-
CHU de Nice - Hôpital St-Roch
Nice, 06001, France
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