Our solidarity bibs
Another way to support us
For the runner, it is the possibility of guaranteeing their registration for one of the races by making a direct donation to our endowment fund Ultra Sports Science.
Mont Blanc Marathon - 90 km
Click here
for more information on registration
& events participation.
Mont Blanc Marathon - 42 km
Click here
for more information on registration
& events participation.
Mont Blanc Marathon - 23 km
Click here
for more information on registration
& events participation.
Hoka Semi de Paris - 2026
Click here
for more information on registration
& events participation.
Asics SaintéLyon
Click here
for more information on registration
& events participation.
Vredestein 20km de Paris
Click here
for more information on registration
& events participation.
TAR 52km / Trail des Aiguilles Rouges
Click here
for more information on registration
& events participation.
P'tit TAR 16km / Trail des Aiguilles Rouges
Click here
for more information on registration
& events participation.
Sustain Ultra Sports Science
Click here
to support us.
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