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Looking for a mountain marathon facing Mont-Blanc? Discover the comblorane XL course: the unmissable meeting place for mar-trailers in Combloux. Come and challenge yourself on the queen distance through forests and mountain pastures on the balcony, under the benevolent eye of the highest peak in Europe.

La Comblorane XL – 42,6 KM | 2835m D+

Marine MARTIN – OT Combloux
photo weekend trail comblorane 14

Sunday June 9, 2024 at 07:00 a.m.

Lovers of gradients and long-distance courses on alpine trails are going to rub their hands: the trail challenge gets tougher in Combloux with a 42 km maratrail!

Un beautiful route from a distance of 42,9 km for 2832 meters of elevation gain, straddling Savoie and Haute-Savoie, on the mountain trails of six towns: Combloux, Cordon, Sallanches, Demi-Quartier, Megève, La Giettaz.

From the biotope lake, you will cross the village of Combloux then criss-cross the Portes du Mont-Blanc area, passing through Croisse-Baulet, the highest point at 2236 meters above sea level.
Facing the Aravis and the spectacular Fiz range, you will be offered a magnificent panorama on this wild loop between forests and mountain pastures, always with an unobstructed view of the roof of Europe. You will be immersed in an alpine atmosphere throughout this aerial course by climbing the peaks and ridges at more than 2000 meters above sea level.

Sharpen your calves: this technical test is an admirable test of your fitness!

Key information about the 42 km – maratrail

Actual distance: 42,9 km

Approximate elevation: 2832 D +

Fees :

  • 35 € until February 29, 2024
  • 40 € from March 1 to May 31, 2024
  • 45 € from June 1 to June 6, 2024

No registration on site.

This price includes registration for the race + post-race meal + a gift participant.

Compulsory material:

  • Cup
  • Mobile
  • Water reserve (0,5 L)
  • Blanket
  • Whistle
  • Waterproof jacket (Gore-tex type) in case of bad weather
  • Trail or crampon shoes
  • A bib holder or pins


Qualification Points:

  • 2 ITRA points
  • 50K UTMB Qualifier

Route and GPX track of the 42 km

Download the route


Water jerry cans will be provided at the various refreshment points to allow runners to fill their own container. In order to minimize the environmental impact of our event, we encourage participants to bring their own reusable bottle or glass. The organization does not offer disposable cups for ecological reasons.

  • Refreshment point 1: Cabane du Petit Pâtre – 12 km
  • Refreshment point 2: Plan de la Giettaz – 23 km
  • Refreshment 3: Plain – 32 km

For information purposes, here is the content of the refreshments on the XL, L and M races: water, Coke, St-Yorre, apple juice, syrup, Naak products, madeleines, sweets, gingerbread, TUC, oranges, apples, bananas.

Time barriers

LocationMileageLast pass time
Departure: Biotope lake007h
Refreshment 1: Little Shepherd’s Hut1210h
Aid station 2: Map of la Giettaz2311h
Supply 3: Plain3214h
Arrival: Biotope lake4216h

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