Photo Gregory DALLEAU / Unsplash

Mont Blanc2027

Sun, 27 Jun 2027 · Chamonix · 237 days

Distance
42.2 km
Terrain
Mountain
Climb
2521 m
Race day
19°C (66°F)

The Mont Blanc Marathon is one of Europe’s most iconic mountain races, held in the French Alps around Chamonix. The race starts and finishes at Place du Triangle de l’Amitié in Chamonix (Start and finish at ~1,040 m). The course leads runners through alpine forests, mountain trails, and high-altitude terrain while offering constant views of the Mont Blanc massif. The first section follows relatively fast trails before the course climbs steeply toward Aiguillette des Posettes, the main difficulty of the race and the highest point of the route. After descending into alpine valleys, runners face additional climbs through technical mountain terrain before returning toward Chamonix. The race attracts elite trail runners and experienced mountain athletes from around the world. With dramatic scenery and demanding climbs, the Mont Blanc Marathon is considered one of the most spectacular mountain marathons in Europe.

More marathons nearby in time

You might also run

All in Europe

Sun, 6 Jun 2027

In 216 days

Partly open

Marathon + Half

Cork: Cork City Marathon, Marathon

Start in the city center, follow the River Lee, finish back in the center.

Rolling · 185 m climb

🇮🇪 Cork€95

Mont Blanc Race Club

Join club

Mont Blanc Marathon 2027

New post

Log in to post, comment and vote.

Entries closed

  1. Entries openNot announced
  2. Entries close1 Nov 2026
  3. Race day27 Jun 2027

Checked 3 days ago on the organizer's site

Still want to run Mont Blanc 2027?

  • Local residents10% des dossards réservés aux habitants de la Vallée de Chamonix (Servoz, Les Houches, Chamonix-Mont-Blanc, Vallorcine) venant en transports en commun, à pied ou à vélo.
  • Charity place4 charities with places
  • Other40% of bibs reserved for participants who commit to coming to Chamonix by train or bus.

Similar races still open

The organizer publishes full results on their results site.

Where to stay

Arrive
Fri, Jun 25
Leave
Mon, Jun 28
Search hotels on Booking.com

Walk to the start

We haven't mapped places to stay near this race yet.

Distances are from the race's location, not the start line. Places from OpenStreetMap contributors.

Something wrong or missing?

Medal is on iPhone

Put races on your Radar and get a notification when the ballot opens, before entries close and when race day's near.

Get it on the App Store