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🚨 IMPORTANT RACE INFO 🚨

Important information about the Transju 70 and 50 km
Following the change of course, the races of Sunday morning (La Transjurassienne and La Transju Marathon Skating 50 km) will be merged into one race with a single classification:
The Transjurassienne 50 km.

The departures of the 2300 participants will take place between 9:30 and 10:10 am in Lamoura, the information concerning your airlock and departure time will be communicated to you by Saturday.

At the same time, we are finalizing the last details in order to send tomorrow to all participantsthe practical information and the program of the weekend.
Saturday's program (classic style races) as well as the Transju Skating 25 km and Transju Experience 20 km skating are not expected to change. 

Thank you for your understanding and your patience, we look forward to seeing you all on skis for this weekend of La Transju which promises to be exceptional again.
The Transju'Trails

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.

The Transju'Trails

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 Transju'Trails

The Web Program is now online!

Check out the online schedule and start looking forward to this great trail running weekend!

The Transju'Trails 🏔️

Hi! 👋 I'm the La Transju'Trails assistant. Ask me anything about the races, gear, registration, or the courses... I'm here to help!