Four courses, one start
All races
La Grandiose
Race day
Saturday 25 September 2027
Tramelan, Salle de la Marelle
Your 2026 photos
Your bib, and all your race photos.
Volunteers
No you, no race
Aid stations, course marking, bibs, finish line: a day at the heart of the trail.
Contact
A question about the race?
info@utjb.ch
For your registration, write to MSO: support@mso-chrono.ch
Saturday 25 September 2027 · Tramelan
Four routes starting from Tramelan, from the 13.5 km La Découverte to the 66.5 km La Grandiose. Find yours.
In 2026, the direction of all the courses was reversed. In 2027, they're back to the original direction.
66.5 km · 3'129 m D+
The longest route of the Trail du Jura bernois. Start with headlamps, passing through Chasseral and the Combe-Grède.
45 km · 2'065 m D+
The most beautiful sites of the Bernese Jura within 45 km, hence its name. Mont-Crosin, Combe-Grède and Chasseral.
31 km · 1'245 m D+
The route of L’Essentielle, without the climb to Chasseral. The ridges, Mont-Crosin and the riverbank as far as Cortébert.
13.5 km · 631 m D+
Open to everyone, this is the course to get you into the world of trail running. Short but punchy.