Chamonix, France · Date TBA
100 mi
Ultra-Trail du Mont-Blanc
171 km Distance
10,000 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 58 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 171 km of mountain with 10,000 m of ascent.
- Trail Running Shoes58 m of climb per kilometre — grip and rock protection before cushioning.
- Race NutritionPast 171 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles10,000 m of ascent to walk up.
- Headlamps171 km almost certainly means running into the night.
About
The world's most prestigious ultra trail race, circling Mont Blanc through France, Italy, and Switzerland.
Highlights
- 3 countries in one race
- 10,000m elevation gain
- Iconic Chamonix finish