Trail RunningShort

KM Vertical

26 June 2026

Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France

Race details

Modality

Vertical

Organizer

Marathon du Mont-Blanc

Distance

3.8 km

Elevation

+1,000 m

Participants

7,494

Start time

16:00

Terrain

Trail

Difficulty

Advanced

Course profile

Mountainous

Minimum age

18+

Certified

Circuit

Marathon du Mont-Blanc

Event description

The Chamonix Vertical KM is an iconic trail running event challenging athletes to climb 1000m of vertical gain over a short 3.8 km course. Set in the world-renowned Chamonix-Mont-Blanc, this steep and technical race is a highlight of the Marathon du Mont-Blanc weekend.

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In the news

⛰️ Trail Running22 Jun 2026

Chamonix Under Pressure: Golden Trail Series Braces for Rémi Bonnet’s Record Attempt

Rémi Bonnet threatens the historic Mont-Blanc Marathon record in an edition defined by extreme speed and a race against the clock in Chamonix.

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Sport

Trail Running

Distance

Short

Country

France

Region

Auvergne-Rhône-Alpes