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LA THUILE TRAIL
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25 JULY 2026
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SHORT TRAIL
Distance
10KM
Elevation
650m+/-
10 intense kilometers along spectacular trails reaching 2,000m. Perfect for speed-seekers and newcomers eager to experience the excitement of trail running.
TRAIL
Distance
25KM
Elevation
1500m+/-
The original. 25km along the trails above La Thuile, passing by the foot of the Ruitor glacier, and the legendary Deffeyes Refuge. 
MARATHON
Distance
43KM
A high alpine marathon with Mont Blanc to accompany you on wild trails with breathtaking views.
Elevation
2500m+/-
Elevation
4000m+/-
ULTRA
Distance
70KM
For lovers of long distances and unexplored trails. If you don't want to miss out on anything, this is the race for you.
NEXT EDITION
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THE ORIGINAL
25KM  1500m D+

The original - 25 km along the trails above La Thuile, passing by the foot of the Ruitor glacier, and the legendary Deffeyes Refuge.

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JOIN OUR
VOLUNTEER FAMILY

Become one of the unseen heroes who make La Thuile Trail possible. Lend your energy, passion, and smile to help us create an unforgettable experience for every runner.

NEWS
MAIN SPONSOR
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SPONSORS
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OFFICIAL CHARITY
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