This past weekend Chamonix was filled with excitement as everyone cheered hundreds of runners participating in the Mont Blanc marathon. This is one of the most well-known trail running events in the valley and it features multiple, very impressive races.

90 km

The first, definitely craziest one is the Mont-Blanc 90 km race, which has become legendary in the Chamonix valley. It is 92km long with 6330 meters of vertical drop and it has been recognized as one of the most technical trail races in France. The route uses only hiking trails but these can sometimes be very narrow.

42 km

The flagship race of the weekend is however the 42 km. This race brings together the best of the discipline who are engaged in a breathtaking battle in a dream setting. The race starts with some fast and rolling tracks, then it continues on the steep slopes of the Aiguillette des Posettes before ending at the heart of Chamonix.

23 km

Created in 1979, the Cross du Mont-Blanc race has celebrated its 43rd edition in 2022. This friendly race, whose route has remained almost unchanged since its creation, takes runners on the tracks of the pioneers of the discipline. All while admiring an absolutely breathtaking panorama.

10 km
The Mont-Blanc 10 km allows running with family or friends. This trail, despite its little elevation gain, features short but intense climbs and technical descents.

Vertical km

And finally the vertical kilometer, which takes place in the form of a time trial. The end of the route features a via ferrata with steps, cables, pedals and handrails. Sticks are forbidden because of the technical nature of the race, which is not advised to people suffering from vertigo.

More detailed information on the Mont Blanc marathon, which takes place every summer in Chamonix, can be found on montblancmarathon.fr.