2017 registrations

Registration organisation for 2017 :

Registration only on internet with a secure paiement by credit card.
There will be a draw for registration of Mont-Blanc 23km, 42km and 80km.

New in 2016 : Cadet category on Mont Blanc 42k
For the first time the Mont Blanc 42k will be open for the cadet category. A 15k race on the Mont Blanc 42k trails will be organize sunday June 25th 2017.
Registration in line since October 17th.

Mont Blanc 80k
Pre-registration from Monday October 17th to Sunday October 23th, 2016
Annoucement of the runners selected Tuesday October 25th 2016

Mont Blanc 42k
Pre-registration from Monday October 24th to Sunday October 30th, 2016
Annoucement of the runners selected Tuesday November 1st 2016

Mont Blanc 23k
Pre-registration from Monday October 31th to Sunday November 6th, 2016
Annoucement of the runners selected Tuesday November 8th 2016
For the Mont-Blanc 10k and the Vertical KM, registrations will start on October 17th 2016.

All accord is firm and final and implies total acceptance of the rules and regulations.

2017 registration conditions for runners not selected in 2016 :

Runners who were not selected for 2016 Mont-Blanc 23km, 42km or 80km will individually get a coefficient 2 which will double their chance to be selected if : 

  • they register for the race  they were not selected for in 2016
  • they register during the pre-registration time. The coefficient 2 will be lost after this period.

Vidéos 2016




TRAIL in semi-autonomy. A route with a distance of 83.7 km and a vertical gain of 5960m (reference : ITRA). Two fallback paths : the first one in case of excessive snow conditions (84km and about 6000m of vertical gain); the second one in case of  very bad conditions weather preventing rescue helicopter (78km and about 5000 of vertical gain). Limited to 1000 participants. Open from the category "hope".


TRAIL in semi-autonomy. Distance of 41.6km coupled with a positive vertical gain of 2760m, and a 1704m vertical drop off (reference : ITRA). Open from the category "hope". Limited to 2000 runners.


SHORT TRAIL in semi-autonomy. Distance of 23 km with a positive vertical gain of 1665m, and a 621m vertical drop off (reference : gpx file with 10m vertical threshold). Open from the Junior class. Limited to 1500 runners.


Time Trial. Distance of 3.8 km with a positive vertical gain of 1000m. Open from the Junior class. Limited to 400 runners.


Nature race. Distance of 10km on the cross-country ski trails, accessible to all runners regardless of their ability level.


Children's races between 800m - 3km (categories of schools athletics minimal) set in the Bois du Bouchet.