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Registration for the Transju' Trail des Marmots is open!

Registration for La Transju' Trail des Marmots is now open! 🥰

This race, exclusively for children aged 7 to 13, will take place on Saturday, June 3!

Children will have the opportunity to live a unique experience in the exhibitor village in Morez, with races including several challenges: slaloms, haystack passages,...

The registration fees will go directly to the charity Association Les petites Z'étincelleswhich helps children with cancer.

See you soon!

The Transju Trail for Kids
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!