Every June, Combloux becomes the capital of trail running with the Comblorane, an emblematic race that ignites the village for a weekend of strong emotions. On the program for these two days of nature racing: 3 timed competitions on loops of 7, 25 and 42km through forests and mountain pastures on a balcony facing the Mont-Blanc massif, a canicross, an obstacle course dedicated to families, mini -trails for children and a film screening evening.

From distance to difficulty, you will find here all the information you need to prepare for this unique experience. So, get out your trail shoes and sharpen your calves, let's go

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La Comblorane: presentation of our weekend dedicated to trail running

The Comblorane trail race, in two words

La Comblorane is thetrail event accessible to all, which has become a must in Combloux.

4 trailer single file balcony trail facing Mont Blanc Combloux
Marine MARTIN – OT Combloux

His ambition? Gathering lovers of running, trail and more broadly outdoor activities around a single event. Conviviality, authenticity et kindness are the watchwords of this combloran sports weekend.

More than a race in the middle of nature and whatever your level, the Comblorane is a pretext for adventure, exploration of alpine landscapes, social cohesion and surpassing oneself.

In short, taking part in the Comblorane is the assurance of share highlights with other nature and sports enthusiasts, all in one alpine environment grand.

With this in mind, the Comblorane offers trail course at a time originals et attractive in breathtaking alpine panoramas.

With distances and variable positive elevations, the events of our trail weekend are established for allow everyone to run without “putting themselves in the red”. Thereby :

  • Trail running enthusiasts will turn to formats such as the 25 km ou 42 km, while neophytes and enthusiasts of short distances will have fun on the 7 km format !
  • Families will have fun on playful obstacle courses.
  • Children will learn about the joys of this discipline through different tests adapted to their age.
  • Dog owners can try their hand at a dog endurance race with their faithful companion
trail runners comblorane on the starting line Eglise Combloux
Marine MARTIN – OT Combloux

The different race formats of La Comblorane

poster 2023 comblorane race trail combloux
Marine MARTIN – OT Combloux

Let us recall it from the outset, whatever the reason:

  • meet a personal challenge
  • beat the clock
  • win the competition against the other racers
  • or recharge your batteries in contact with mother nature
  • La Comblorane is open to everyone.

Choose from the 5 race formats offered. Select your course according to your level and your sporting objective.

Time barriers

Please note that time barriers are introduced on the XL (42 km) and L (25 km) Comblorane routes.

For more details on these time limits: consult the pages dedicated to these nature race formats without further delay.

The routes of the Comblorane, in detail

Zoom on the different trails planned as part of our combloran weekend dedicated to running in the heart of nature.


Want to perform on a nature course in the heart of the Portes du Mont-Blanc?

Experienced runners in search of surpassing themselves will have plenty of time to challenge themselves on the intermediate Comblorane route: an original loop to improve their skills in trail running with a 360° panorama of the Fiz, Aravis and from the highest peak in Europe.

All about Comblorane L – 25 KM

trailer sur chemin randonnee combloux competition comblorane maratrail
Marine MARTIN – OT Combloux


Looking for a mountain marathon facing Mont-Blanc?

Experienced runner? The mara-trail format arrives at the Comblorane! Do you dare to take up the challenge of the queen event? Will you go to the end of the 42 km?

All about the Comblorane XL – 42 km

3 couereur a pied en descente d'alpage comblorane


Want to get started with trail running?

Beginners will learn to appreciate the trail over a first discovery distance of 7 km.

Find out more about the Comblorane M – 7 KM

enfant sur ligne de depart course a pied combloux structure gonflable intersport
Marine MARTIN – OT Combloux


A trail race for the little ones?

You do not dream ! Little budding athletes also have the opportunity to challenge themselves like the grown-ups on the mini-trails of the Kids Race.

Find out more about the Kids Race events

chien maitresse courant alpage combloux canicross comblorane
Marine MARTIN – OT Combloux


How about taking part in our weekend trail with your faithful companion?

Mountain running enthusiasts and their 4-legged best friend now have their own course: the canicross 7km.

Find out more about the 7km canicross

plan drone village course comblorane vu mont blanc plan eau structure gonflable


Do you prefer to take up the Comblorane challenge with your family?

A crazy race with tests and obstacles around the biotope body of water to share with the family, would you like it? All the reasons are good to participate in the Family Race à Combloux ! 100% guaranteed fun.

Learn more about the Family Race

Program for this sports weekend dedicated to trail running in Combloux

Dates, times of the different routes: find here all the practical information relating to the 27th edition of this trail race in the Pays du Mont-Blanc!

Thursday June 08 2023


  • End of online registrations.

Reopening of registrations at the race village from Saturday June 10 at 14:00 p.m., within the limit of available places.

Friday June 09 2023


18h30-21h00: Evening meeting with the athletes

  • Discovery of the Comblorane trail weekend: a presentation of the event and its evolution over time.
  • Meeting with combloran athletes from the outdoor world: presentation of Jérémie Marin, Alexis Dumas, Baptiste Chassagne (video), Kenza Lacheb, Adrian Lafont; of their career and their sporting achievements.
  • Continuation of the exchanges after 20 p.m. around an aperitif.

Saturday June 10 2023



  • Opening of the race village, withdrawal of bibs for the different race formats and registrations.
  • Departure from the Family Race.

From 16 noon

  • Departure of children's trails. The 4-6 year old category starts first, then when the first race is over, the 7-9 year olds will come and so on.
  • No timekeeping, classification is by order of arrival. Prize giving at the end of the last race.



Evening from 20:00 p.m.

  • 7 km podium, then post-race meal and free concert. Snack bar and snacks on site.

Sunday June 11 2023


  • Opening of the race village, withdrawal of bibs


  • Departure from 42 km XL trail and opening of registrations in L-25 km format 


End of the mornng 

  • XL and L format podiums, followed by the post-race meal starting at noon

Animations around our annual trail meeting in Combloux

Comblorane – Meeting with our combloran athletes

By way of the opening ceremony of the Comblorane, it is an evening meeting and film screening that will launch the festivities and set the tone for the 2023 edition. A great opportunity to come and chat with outdoor sports enthusiasts.

photo plan americain four athletes combloran

As its name suggests, this evening will be enhanced by the presence of 5 renowned athletes: Jérémie Marin, Alexis Dumas, Kenza Lacheb, Adrian Lafont and Baptiste Chassagne (in video).

Useful information

Date and time: Friday June 09 @ 18:30 pm

Location: 2nd floor of the Combloux Tourist Office

Immerse yourself in their inspiring journeys linked to the mountains and adventure, and let yourself be transported by their unique perspective, forged through experience.

Special community run “Comblorane”

Want to stretch your legs before your event? Participate in special community run “la comblorane” in the company of our comblorans athletes: the perfect opportunity to get valuable advice while starting on the right foot!

Enjoy a 4,5 km loop with breathtaking views of Mont-Blanc, followed by a free breakfast to recover well.

A morning outing combining joy, conviviality and exchanges awaits you! To take part, register with the Tourist Office or when handing over bibs / meeting with the combloran athletes on Friday evening.

Rules of La Comblorane

Registration for one of the race formats constitutes acceptance of its rules. We invite you to read these rules carefully, which include all the useful and essential information for your participation.

In particular, you will find the compulsory equipment for the trails, the types of sports licenses or medical certificates accepted to be authorized to take the start, the methods of participation and practical information for each race.

Access to the village of La Comblorane

At La Comblorane, in addition to running, it is better to leave on time! The village as well as the departures and arrivals are located at Combloux biotope lake. To get there:

By car

Take the motorway to Sallanches (9 km), then follow the departmental road RD 1212. At the 3rd roundabout in the village, take the 2nd exit onto Route de Prairy
Parking in the car park near the natural swimming pool.


Time to reach Combloux:

  • 35 minutes from Chamonix
  • 1 hour from Annecy or Geneva
  • 1h20 from Chambéry
  • 1h30 from Grenoble

Public transport

Possibility of train to Sallanches.

There are bus connections from Sallanches or Chamonix. Please note that these coaches do not run on Sundays!

More information here.

Coming to Combloux by carpooling

On D-Day, focus on your trail run rather than finding parking.

To get to Combloux without complicating your life, opt for carpooling: a solution that is both economical and ecological which will allow you to reduce your impact on the environment.

Book your trip now and be sure not to miss the departure!

Accommodation near the start

Are you coming from afar and want to sleep there the day before the race to make sure you don't miss the start? Or are you planning to take advantage of your participation in La Comblorane to spend a few days with your family in Combloux?

We offer a selection of accommodation near the race village so you don't miss a thing during the weekend!

How to prepare for the Comblorane trail?

In view of the distance, the difficulty and elevation of the different routes of our mythical combloran trail weekend, these challenges, both physical and mental, require careful preparation and planning.

To prepare you well for La Comblorane, we have concocted a guide with some practical advice to approach the race in the best conditions : training plan, material guide, post-race recovery…

Consult our articles dedicated to the preparation of La Comblorane and put the odds on your side to arrive in excellent physical condition on D-Day.

Baptiste Chassagne, high-level trail runner

Baptiste Chassagne is a top athlete. His disciplines: trail and ultra. Our athlete represents Combloux and performs well in renowned races! He notably performed on the OCC of the UTMB (6th), the CCC of the UTMB (9th), the French Trail Championships (3rd), the SaintéLyon (4th), the Transgrandcanaria…


Trail de la Comblorane: managing your race on D-Day and recovery


What equipment to choose for the Comblorane trail?


The complete guide to prepare for the Comblorane trail


La Comblorane is committed to the environment

We are fortunate to be able to offer you courses in the heart of nature, in an exceptional mountain environment. We take all the necessary measures to preserve and enhance this mountain.

Before the race

A day of inventory around the courses is organized.

During the demonstration

No departure from the marked route will be tolerated and waste management will be strict. Failure to comply with the rules will result in the disqualification of the offending runner.

Volunteers, first aiders and the public will be made aware of the vulnerability of these spaces. Motorized vehicles will not be tolerated and noise will be limited.

after the race

Garbage collection and unmarking will take place the same evening.

An inventory on the ground will be carried out again after the event.

Special attention on the XL trail – 42 km

Participants, you will be led to cross natural areas subject to biodiversity protection regimes. This is an area subject to a prefectural decree of biotope, "APB" of the Aravis, of nearly 580 hectares and a Natura 2000 area at the top of Croisse Baulet (2236 meters above sea level) highest point of the course . We thank you for being particularly attentive and respectful in these sensitive areas.

We would like to introduce you to our committed partners who generously support our combloran trail weekend.

Become a partner of La Comblorane

Take part in the adventure by becoming a partner of the event! We are looking for all types of partnership: financial endowment, exchange of goods (prizes, voluntary gifts, supplies for supplies, etc.) material or logistical support. In exchange, benefit from visibility with a target group of runners of all ages.

The official partners of the 27th Comblorane

They also support us:

  • Coast 2000 Adventure
  • Mont Blanc go-karting, Passy
  • Jams of Creation
  • The Salon, Combloux
  • Via Mountains
  • Butcher and Butcher
  • Elsa Cuidet – Foot reflexology
  • Plan B, Combloux
  • Myl'floraisons, Saint-Gervais-les-Bains
  • GAEC Val Mont-Blanc
  • The Crystal Museum, Chamonix

The results of the 2023 edition of the Comblorane

podium trail race combloux baptiste chassagne first place
Paul BESSON – OT Combloux

Comblorane 2023 is over for this year! Find below the nature race results which took place on June 10 and 11, in Combloux.

Spotlight on the performances of the athletes who took on the challenge with passion and determination!

Results of adult trail races

women's podium race trail combloux winners under tonelle

Results of children's nature races

Become a volunteer for La Comblorane

photo 2 volunteers smiling comblorane arrival gift reblochon

La Comblorane needs you to exist! Every year, about 70 volunteers come to lend a hand to make this event a success, why not you?

Live a moment of sharing with the runners, in a friendly atmosphere where smiles and jokes are on the agenda.

Different positions are offered before, during and after the race (marking, registration and withdrawal of bibs, supplies, signaling on the course, etc.).

Retrospective of previous editions of La Comblorane

La Comblorane 2023, in pictures

Photos of the 2022 edition

Frequently Asked Questions La Comblorane

How to register for La Comblorane?

We encourage you to register for the Comblorane directly online from the dedicated platform. As a reminder, a trail or running sports license, or a medical certificate of no contraindication to trail running in competition dating from less than one year on the day of the race must be presented at the time of registration or at the later when picking up the bib. 

If you are unable to register online, you can contact us at [email protected] or register directly on site (additional cost). Attention, no registration the same day for the XL format.

From what age can I register?

The mini-trails for children are accessible from the age of 4, with signed parental authorization.

The 7 km M trail is accessible from the Cadet category (from 16 years old, with signed parental authorization).

The XL and L formats are accessible from the Espoir category (from 20 years old).
These regulations are those of the French Athletics Federation on which the event depends and we must comply with them. No exceptions can be made.

Where can I pick up my bib?

You can pick up your bib, either:

  • Friday, June 09, 2023 at the Tourist Office (during the opening hours of thethe Tourist Office), for the XL, L and M routes.
  • Directly in the village of La Comblorane at the biotope lake on Saturday June 10 from 14 p.m. to 18 p.m. for the XL, L and M races as well as for the Family race.
  • And still at the same place on Sunday June 11 from 06 a.m. to 06:45 a.m. for the XL race – and from 07:00 a.m. to 08:15 a.m. for the L race.

How long before departure should I show up?

A briefing will take place 10 minutes before the start of each race. We recommend that you be there at least 15 minutes before the departure time if you have already collected your bib, and at least 30 minutes before if you need to collect your bib on site. If you haven't registered yet, plan to be there an hour in advance. (Attention no registration the same day for the XL format).

How many aid stations will I encounter during my race?

In addition to the supplies at the finish, three supplies are planned for the 42 km, and two for the 25 km.

Are there time barriers on timed events?

Yes, time barriers will be imposed on the XL and L formats. More details on the race presentation pages.

Are poles allowed on the trails?

Yes, the use of telescopic poles is authorized (except Family Race and Kids Race)

Is there any mandatory equipment?

Yes, for the XL trail: personal cup, water reserve of at least 0,5 L, survival blanket, whistle, mobile phone. 

For other formats, only the personal cup and mobile phone are mandatory.

Does the Comblorane allow you to acquire ITRA points?

Yes, the XL format allows you to obtain 2 ITRA points, and 1 point for the L trail.

I no longer wish to participate, can I transfer my bib to another person?

No, no transfer of registration is allowed for any reason. Any person retroceding his bib to a third party will be held responsible in the event of an accident suffered or caused by the latter during the event. Anyone with a bib acquired in violation will be disqualified. 

If you cannot participate due to injury or illness, your registration will be refunded upon presentation of proof. Abandonment for any other reason will not give rise to a refund.

Is La Comblorane maintained in case of bad weather conditions?

Route modifications may be made a few days before the date of the event in the event of residual snow on dangerous sections. A fallback route will be planned to avoid parts at risk in case of bad conditions on D-Day (fog, rain, snow, etc.). Except in extreme conditions, the event will be maintained whatever the weather.

If the event were to be canceled by the organiser, would I be reimbursed?

Of course, in the event of cancellation on our part, your registration will be refunded to you. A small percentage could be kept to cover organizational costs in case of last minute cancellations due to government measures.

For more information, we invite you to consult the race rules or to us us.

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