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ITRA 3 points


La Grandiose is a demanding route for trail runners looking for challenges and sumptuous landscapes.

This new route will take you beyond Chasseral, on the plateau of Diesse up to the meadows of Orvin. More than 60km of effort and happiness through the most beautiful trails in the Bernese Jura.

Saturday, September 30, 2023
6:00 a.m.

  • The maximum time to reach the 1st aid station in Villeret is 3 hours (09:00).
  • The maximum time to reach the second aid station in Chasseral is 5 hours (11h00).
  • The maximum time to reach the third aid station in Lamboing is 8 hours (2:00 p.m.).
  • The maximum time to reach the fourth aid station in Cortébert is 11 am (5:00 p.m.).
  • The maximum time to complete the entire route is 13 hours (19:00).
Completing the race will earn you 3 ITRA points

4 complete aid stations in Villeret, Chasseral, Lamboing and Cortébert.

CHF 65.- until July 31, 2023.
CHF 75.- until September 27, 2023.
CHF 85.- on site.

Saturday September 30, 2023 in Tramelan at the Salle de la Marelle between 4:30 a.m. and 5:30 a.m. with your ID.

Briefing 5 minutes before departure, at 05:55.

A personal cup for refueling is required.
There are no cups on the aid stations.
The headlamp is also mandatory.

  • Backpack
  • Water reserve, min 1l
  • Blanket
  • Whistle
  • Adhesive elastic band for bandaging or strapping
  • Waterproof jacket to withstand bad weather in the mountains
  • Second layer (long sleeve sweater or sleeves)
  • Small food reserve (bars, gels)
  • Cellphone

If you choose to take poles, you must have them throughout the race.

photo stream in the Combe-Grède
photo valley of St-Imier
Lamboing sculpture trail photo