the 82 km Relay
Discover the 82-km Franco-Swiss route with 3,740 meters of elevation gain, a loop that takes you through many of the Transjurassienne’s iconic villages, such as Bois-d’Amont, Chapelle-des-Bois, Bellefontaine, and Prémanon.
In teams of 2 to 4 runners , share the effort and the adventure by running the sections of your choice. Team spirit, encouragement and mutual support will be your best allies in overcoming this collective challenge.
All along the route, you will enjoy remarkable passages such as the Creux du Croueand through the Risoux forest or the Roche Champion, as well as superb panoramic views over the lakes of Les Rousses, Les Mortes and Bellefontaine, not forgetting the impressive viaducts of the Hirondelles line.
You'll finish this adventure in style with the ascent of La Dôle, offering a unique view of Mont Blanc and Lake Geneva, before crossing the finish line together in the heart of the village of Les Rousses.in the heart of the village of Les Rousses.
Are you up to the challenge?
We would be grateful if you would refrain from using these private passageways, so as to ensure the continuity of our routes and agreements.
-> On race day, always follow the course markers, not your watch.
- Distance: 82 km
- Departure: Les Rousses at 06h00
- Arrival : Les Rousses
- Elevation gain: 3,740 m
The relay is handed over by transmitting the race number.
- Relay 1* : Les Rousses > Chapelle-des-Bois: 26km - 1,160m D+ climb
- Relayeur 2: Chapelle-des-Bois > Morbier (Les Marais): 13.4km - 350D+ (1. 5 miles)
- Relay 3: Morbier (Les Marais) > Prémanon: 20km - 1,220 D+.
- Relayeur 4*: Prémanon > Les Rousses: 21.4km - 1000m D+.
(*portion modified for 2026)
Numbers can be collected at the trail show in Les ROUSSES .
Friday, June 5: 2 to 8 p.m.
Saturday, June 6: 4 a.m. to 6 a.m. and 11 a.m. to 7 p.m.
Sunday, June 7: 6:30 a.m. to 11:30 a.m.
You can also pick up your numbers 1h30 before the start on Saturday June 6 and Sunday June 7 at the start of your race.
We advise you to come well in advance for the collection of the numbers in order to be sure to take the start.
You must bring the following documents with you:
- Your official, valid identification document
- Proof of registration
- Your license or medical certificate if not validated beforehand
The number will be accompanied by a timing chip. Participants must take care not to damage it. To do so, the number must be fixed without being folded on the chest or the belly and remain visible throughout the race. In case of damage to the number or the chip, preventing its detection, the participant will not be able to make a claim. The organizer will not be held responsible.
Another person may pick up the race bib, provided they present the same documents required for in-person pickup: the participant’s ID (photo ID accepted), proof of registration (PPS or medical certificate if not validated).
INCLUDES
- A runner's gift: Transju'Trails technical t-shirt
- Morbier base camp (relief bag)
- Massage service on arrival (physiotherapist or osteopath)
- Showers and changing rooms
- Transport of the checkroom bag and its safekeeping until the finish of your race
- Race number (personal, guaranteed for all registrations made before May 21, 2026)
- The timing chip and the timed classification
- A photo of you taking part in the event courtesy of our partner Crédit Agricole Franche Comté (link to the album sent after the event)
- Medical assistance and safety
- Refreshments along the route and at the finish line
- Access to a bag-free room
OPTION
- Cancellation insurance
- Bodily injury insurance
- Products from our online store
- A traditional Franc-Comtois runner's meal (bookable when you register)
The routes are subject to change, so the routes and elevation profiles are subject to change.
Our refreshment stands, carefully prepared by our volunteer teams, offer drinks and food with local products from our partners.
Number: 7
View the contents of the aid stations
⚠️Participants may only be assisted at refreshment points, in the area immediately adjacent to the refreshment area, and at the discretion of the station manager.
Any assistance provided outside the authorized zones will result in the application of a time penalty to the riders who received the assistance.
MANDATORY EQUIPMENT
- Water capacity of at least 500 ml
- 1 survival blanket,
- Waterproof jacket with a hood that fits his size
- 1 charged cell phone,
- 1 individual cup,
- 1 headlamp (first runner only)
RECOMMENDED EQUIPMENT
- 1 Whistle,
- 1 quick-dressing and foot-care kit.
- Nutrition
AUTHORIZED EQUIPMENT
- Sticks.
PROHIBITED MATERIAL
- Two-wheeled vehicles or motorized vehicles.
This equipment is prohibited in all races
The Défi Transju' by Jura Pellets aims to reward the best male and female participant in the 3 major races of our events: La Transju', La Transju'Trails and La Transju'Cyclo.
- All those who have participated in the 3 events of the current year will benefit from a 10% discount on the Transju'Cyclo, regardless of the race distance chosen.
- The fastest participant in the 3 major Transju' events will win the winners' bell (the Transjurassienne, the Ultra 110km or the Trail 82km and the Cylclo 160km).
Trans'Organisation has decided to honour and promote and promote healthy sports in the workplaceby organizing a dedicated challenge: The challenge Transju' Entreprises.
It's a collective challenge for all employees of a company who wish to take part in one of the Transju''s Transju' time trials or hikes.. The aim is to share a convivial moment that develops team cohesion.
This challenge is open to all companies, the aim being to mobilize as many employees as possible.
The challenge applies to each of the 3 events Transju', Transju'Trails, Transju'Cyclo with rankings and awards for each event, plus an overall ranking at the end of the event year.
Transju’Trails 2026: A Record-Breaking 19th Edition
The 2026 Transju’Trails came to a close on Sunday, June 7, marking a historic success. With nearly 7,000 participants, a new attendance record was set across the 11 races held throughout the weekend in the Jura Mountains.
Transju’Trails 2026: A Successful First Day Under the Jura Sun
The 19th edition of the Transju’Trails got off to a great start this Saturday, June 6. Under ideal conditions, thousands of runners took to the trails of the Jura Mountains across the various races on the program: the 110 km Ultra, the 82 km (individual and relay), the 65 km, and the 42 km.
The Web Program is now online!
Check out the online schedule and start looking forward to this great trail running weekend!