Scientists track what happens to Runners' bodies during Ultra-Trail races
NCT ID NCT03712592
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at how extreme trail running—races from 40 to 160 km—affects the body. Researchers measured muscle fatigue, heart function, blood sugar, body composition, and sleep in 83 experienced runners before and after races. The goal was to better understand the physical toll of these events and how the body recovers.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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CHU Grenoble-Alpes
Grenoble, 38043, France