Mont-Blanc Marathon
From June 25 to June 28, 2026
The Mont Blanc Marathon is a trail running event organized by the Club des Sports de Chamonixa non-profit association founded in 1905. Every year, 10,000 runners take part in one of the 8 races organized on the trails around Chamonix, in the Mont Blanc massif.
See you in Chamonix from June 25 to 28, 2026 for another edition of the Mont Blanc Marathon!
Registrations open on October 20 - don't miss your chance to take the start.
Consult the calendar and registration details now.
News
Program
Thursday 25, Friday 26 and Saturday 27 June 2026
Place du Mont-Blanc - Chamonix
9:30am - 7:00pm: Trail Camp - Salon du Marathon du Mont-Blanc
9.00am - 9.00pm: Race number collection (EMC2 room) - by appointment.
Friday June 26, 2026
90 km of Mont-Blanc
Place du Triangle de l'Amitié - Chamonix
- 04:00 (provisional time): Start of the 90km du Mont-Blanc
- 14:30 : First finishers of the 90km du Mont-Blanc
KM Vertical du Mont-Blanc
Place du Triangle de l'Amitié - Chamonix
- 4:00 pm : Start of the KM Vertical
- 9:00 pm: KM Vertical prize-giving ceremony
Planpraz
- 5:00 pm: First finishers of the KM Vertical
Saturday, June 27, 2026
23km / 10km / Mini-Cross / The Young Race / Star duo
Paragliding area - Chamonix
- 08:00: Start of the 23km Mont-Blanc
- 10:30 am : Start of the Mont-Blanc 10km
- 14h00 : Mini-Cross start - 800m
- 2:15pm: Mini-Cross - 2km start
- 2:45pm: Mini-Cross - 3km start
Planpraz - Chamonix
- 10:00 am: First finishers of the 23km
Place du Triangle de l'Amitié - Chamonix
- 3:00 pm: Start of The Young Race
- 3:05pm: 90km, 10km and 23km Mont-Blanc prize-giving ceremony
- 6:00 pm: Elite presentation followed by autograph session
- 7:30pm: Start of the Star Duo
- 9:45pm : First Star Duo finishers
Sunday, June 28, 2026
Mont-Blanc 42km
Place du Triangle de l'Amitié - Chamonix
- 6:45 am : Start of the elite women's 42km Mont-Blanc race
- 7:15 am: Start of the elite men's 42km du Mont-Blanc, followed by non-elite runners
- 10:45am: First finishers of the 42km
- 4:50pm: Presentation of Club des Sports de Chamonix solidarity bibs
- 5:00 pm : Duo étoilé and 42km du Mont-Blanc prize-giving ceremony
Races
Relive the 2024 event on video
Schedule and procedures