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

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert
👟 gear

With mountain terrain, choose a shoe with aggressive lugs (5mm+) for optimal performance.

By UltraHub Expert
🥤 nutrition

For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.

By UltraHub Expert

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.
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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