For the 2020 edition, the organization offers a race package

The 6D Lacs and the 6D Vertical

Info pack : Click here


Saturaday 25 July 2020

Starting and finishing in Plagne Bellecôte, this 27km trail race has 1600 m of elevation gain and is less demanding than the 6000D.


  • 27 kms on a marked course with check points
  • 1600 m elevation gain
  • Altitude at start and finish: 1940 m
  • Highest point of the race: 2700 m
  • Price : 30€ to 42€ according to registration date
  • On-line registration closes July 15th, 2020
  • Medical certificate or license compulsory for the registration
  • No time limit
  • 1 Barrier Time at 11:45 am at Plan Bois
  • Limit to 1000 Runners
  • Hiking poles are allowed
  • No compulsory equipment (N.B. it can be cold at altitude). Recommended : 1 liter of water and mobile phone
  • Sticks are authorized from the Dou du Praz (there will be too many people in the first one ascent to use them)
  • Bibs will be given out in Aime (Salle des Fêtes) from Thursday morning to Friday evening, and on the morning of the race at the starting point in Bellecôte.Piece of identity required for the withdrawal of the bib and this individually
  • For this edition a reusable foldable tumbler to limit waste on the provisionings will be offered to you and it is strongly recommended to use it (more disposable tumbler on the feeding stations)
  • there will be lockers available at the start in Bellecôte in multi-purpose hall
    N.B: minimum age for 6D LACS is 20 (i.e. born before 2000)

The race leaves from Plagne Bellecôte, climbs to Le Dou du Praz by the footpath going towards the cheese dairy before meeting up with the 6000D course that climbs to the Lac des Blanchets, the Roche de Mio, the Col de la Chiaupe (not going up to the Glacier), the Dérochoir, Plan Bois, the Arpette and Belle Plagne, and then finishes in Plagne Bellecôte.

To keep as close as possible to the spirit of trail running , there is only 1 food station at the Col de la Chiaupe (food and drinks) and 1 water point at the Plan Bois (drinks only) over the 27 kms. A Camel Bag or a water bottle is strongly recommended. Running self-sufficiently is recommended.

Supporters can watch the runners from the points shown in the Road book

The Société d’Aménagement de la Plagne is pleased to offer the public free access
to the Bellecote/Glacier gondolas on Saturday 25th, 2020 (forbidden bike)
 Edition 2020 bye
Find routesin detail, thanks to our partner Draw Of Trail
sur :

Visualize the 3D video

Qualifyong Race

The 6D LACS will be a qualifying race for The North Face® Ultra-Trail du Mont-Blanc®.
The 6D LACS will get you 1
registration point.
If you want to check the entire liste of qualifing races and the site of the UTMB, click here

logo en

UTMB site :

Information Importante : 

Suite à la nouvelle classification des trails, l'attribution des points ITRA change pour les courses à partir de 2019 ! 
Plus d'informations en cliquant sur ce lien : ITRA évaluation des Trails

La 6000D - La 6D Lacs 2019- (N° ITRA 1316-40887)

Après évaluation, l'ITRA retient les valeurs suivantes qui seront communiquées sur notre site :
D 27,9 km / D+ 1540 m / D- 1540 m (lCI lien Trace de Trail)
Certification de parcours : Oui, l'ITRA s'engage sur les valeurs ci-dessus

  • Critères d'Évaluation :
    Points Endurance :     1 point
    Niveau Montagne :     7
    Niveau Finisher :        330