3D Course – Distance L-3400
Immerse yourself in the heart of the Madeleine Triathlon experience with the 3D video of the L-3400 course!
An exceptional route in the heart of the Maurienne Valley, with some legendary climbs:
Laces of Montvernier
Croix de Fer pass
Glandon pass
Montgellafrey ascent
1800 m | 
100 km / 3400 D+ | 
16 km
Saint François Longchamp
Saturday 23 August 2025
