Why donate?
Your donations finance medical & scientific
studies to protect your health as an ultra-sportsman.
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News
UTMB International Congress
Chamonix – @UTMB Week | August 24–30, 2026. An initiative led by Ultra Sports Science. The UTMB 2026 congress is part of a strong ambition: to make UTMB week an international benchmark event for women's health in ultra-endurance.
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Find us at the Marathon du Mont-Blanc
Visit us at the Ultra Sports Science booth during the @Marathon du Mont-Blanc trail camp. From June 25 to 27, 2026, at the @mx3nutrition brand booth Plenty of advice on scientific research and ultra-endurance.
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New book available!
"L'arrivée d'une vie" (The Arrival of a Life) is the story of @Marion Delespierre—trail running world champion and sports physician—sharing her journey from elite-level competition to motherhood. The book is available in the shop.
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Our cause:
Avoiding serious diseases of ultra endurance
A risk of accident multiplied by 7 in ultra-sports.
How?
Medical research
Education
A clean sports for all
Together,
let's protect
all athletes
from serious
illnesses.
They support
our cause
- Karine Baillet Multisports Raid
- Kilian Jornet Ski-mountaineering, Mountaineering, Ultra-trail
- François D'Haene Ultra-trail
- Fernanda Maciel Ultra-trail
- Maxime Sorel Sailing
- Kevin Mayer Decathlon
- Thomas Coville Sailing
- Nathalie Mauclair Trail & Ultra-trail
Make a donation,
support our field studies
We need your donations,
to bring scientists to ultra-athletes,
to better understand and fight against the risks.







Make a donation