The 82 km Trail

3,500 m of elevation gain
Date
Departure time
Place of departure

Les Rousses

Place of arrival

Les Rousses

Rates
Until 03/29/2027 (-33%) 90€
from 30/03/2027 to 26/04/2027 (-20%) 108€
from 27/04/2027 to 29/05/2027 117€
from 30/05/2027 to 05/06/2027 subject to bib availability 135€
Group rate between 10 and 14 participants Extra 10% off per entrant
Group rate for 15 participants and more Extra 15% off per entrant
To take advantage of the group rate please send an email to contact@latransju.com
Sign up

Discover the Franco-Swiss route of 82 km and 3,500 m of vertical gain, an epic adventure taking you through iconic Transjurassienne villages including Bois-d’Amont, Chapelle-des-Bois, Bellefontaine, and Prémanon.

At dawn, the sunrise over Le Noirmont will treat you to an exceptional panorama over Lake Geneva and the Alps. The journey continues through the Creux du Croue, across the legendary Risoux forest, and up to the Roche Champion. You’ll also soak in gorgeous views of Lake Les Rousses, Lake Les Mortes, and Lake Bellefontaine, as well as the striking viaducts of the Hirondelles railway line.

Finally, cap off your epic journey with the ascent of La Dôle, where one last majestic view of Mont Blanc and Lake Geneva will elevate this grand crossing into pure magic.

This route weaves together picturesque scenery, technical sections, and superb forest singletracks for total immersion in the heart of the Jura.

Bibs are limited for this 82 km challenge!

With strict cut-off times, this trail is reserved for seasoned trail runners.

Practical information
  • Distance: 82 km
  • Start: Les Rousses at 05:00 AM
  • Arrival : Les Rousses
  • Elevation gain: 3,500 m D+

With strict cut-off times, this trail is reserved for seasoned trail runners.

The services offered

INCLUDED

  • A Dynafit runner gift
  • Aid station / drop bag area in Morbier
  • Post-race massage service (physio or osteo)
  • Showers and changing rooms
  • Luggage transport and secure storage right up to your race finish line
  • Personalized race bib (guaranteed for all registrations before May 21, 2026)
  • The timing chip and the timed classification
  • A participant race photo courtesy of our partner Crédit Agricole Franche Comté (album link sent after the event)
  • Medical support and trail safety teams
  • Aid stations along the course and at the finish line
  • Access to an indoor warm-up/picnic area

OPTIONS

  • Cancellation insurance
  • Personal injury insurance
  • Exclusive merchandise from our shop
  • A traditional Franche-Comté runner's meal (can be booked during registration)
Course and profile

Courses are subject to change; routes and elevation profiles may evolve.

GPX Track

The GPX track will be available as soon as it is approved by the competent authorities.

Withdraw my number

Bib pick-up takes place at the Salle de l'Omnibus in LES ROUSSES. 

  • Friday, June 4: from 2:00 PM to 8:00 PM
  • Saturday, June 5: starting at 3:30 AM 

We strongly advise arriving well ahead of time for bib pick-up to ensure a stress-free start to your race.

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.

Bib pick-up by a third party is permitted, provided they present the same documents as for personal pick-up: ID of the registered runner (photo accepted), proof of registration (Health Prevention Track 'PPS' or medical certificate if not yet validated).

Recommended and mandatory equipment

MANDATORY EQUIPMENT

  • Water bladder/bottles containing at least 1L,
  • 1 headlamp
  • 1 survival blanket,
  • 1 warm, waterproof garment protecting against cold and rain,
  • 1 fully charged cell phone,
  • 1 reusable personal cup,

RECOMMENDED EQUIPMENT

  • 1 Whistle,
  • 1 basic first aid kit with dressings and foot care supplies.
  • Nutrition

AUTHORIZED GEAR

  • Poles.

FORBIDDEN GEAR

  • Two-wheeled or motorized vehicles.
    This equipment is forbidden across all races.
Refreshments

Our aid stations, lovingly prepared by our dedicated volunteer teams, will provide you with refreshments and fuel featuring local produce from our partners. 

Number: 7 

⚠️Personal assistance is only allowed at designated aid stations, in the immediate vicinity of the refreshment zone and subject to the station marshal's discretion.

Any assistance received outside of authorized zones will result in a time penalty for the runners concerned.

Cut-off times

Bois d'Amont: 9:30 AM
Prémanon: 4:15 PM
Les Dappes – Base of La Dôle: 6:00 PM
Les Tuffes: 8:00 PM

Spectator spots

Information coming soon

UTMB Index and ITRA points

The Organization awards elite bibs according to the following criteria:

● Free elite bib:
○ Men: ITRA performance index ≥ 820 points
○ Women: ITRA performance index ≥ 660 points

● Guaranteed paid elite bib (regardless of sold-out races):
○ Men: ITRA performance index ≥ 780 points
○ Women: ITRA performance index ≥ 625 points

Each race (excluding the 5k, 10k & 15k hike) awards ITRA points and/or a UTMB Index rating.

Athletes wishing to benefit from these conditions must submit a request to the Organization by email at contact@latransju.com before May 20, 2027. Registration is not automatic; each athlete must complete their own registration process.

Elite bib recipients commit to attending the awards ceremony if they place among the podium finishers.

Transju' Challenge by Jura Pellets

Anyone who takes on all 3 events (La Transju’, La Transju’Trails, and La Transju’Cyclo) within the current year will receive a 10% discount on the Transju’Cyclo, whichever race distance they choose.

Corporate Challenge by Crédit Agricole

Trans’Organisation has chosen to celebrate and promote health and wellness through workplace sport by launching a dedicated challenge: The Transju’ Corporate Challenge.

This is a team challenge tailored for all coworkers of a company who want to take on any of the timed events or hikes of La Transju’. The mission: share an unforgettable, uplifting adventure that fuels team spirit.

This challenge is open to all companies, with the goal of rallying as many team members as possible.

The challenge spans all 3 events: Transju’, Transju’Trails, and Transju’Cyclo with rankings and awards for each race, crowned by an overall ranking at the end of the event season. 

View the Corporate Challenge rules.

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