Hot water biking may boost heat tolerance and performance

NCT ID NCT05727774

Completed Knowledge-focused Sponsor: University Hospital, Montpellier Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether water biking in hot water (35°C) helps athletes adapt to heat better than biking in neutral water (25°C). Twenty-four healthy recreational athletes completed 10 training sessions over two weeks. Researchers measured changes in distance traveled during a 30-minute time trial in a hot, humid room, as well as changes in VO2 max. The goal was to see if hot water training improves heat acclimation and sport performance.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Water biking in hot water (35°C) vs neutral water (25°C)
What this could lead to: If hot water biking proves better, it could offer a simple way for athletes to adapt to heat and boost performance.
What could go wrong: This is a small, early study with only 24 healthy athletes, so results may not apply to others or lead to clear benefits.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEALTHY HEAT EXPOSURE

Contacts and locations

Locations

Département de Médecine Physique et Réadaptation

Montpellier, 34295, France

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