The Grandiose
Saturday, September 26 at 6:00 a.m.
The start will be in Tramelan, behind the Marelle multipurpose hall.
- Max. time to reach the 1st supply point at Cortébert is 2 hours (08:00).
- Max. time to reach the 2nd supply point at the Central Place is 3 hours (09:00).
- Max. time to reach the 3rd supply point in Lamboing is 5 hours (11:00 a.m.).
- Max. time to reach the 4th supply point in Chasseral is 8 hours (2 p.m.).
- Max. time to reach the 5th supply point at Mt-Crosin is 11 a.m. (5 p.m.).
- The entire route must be completed in max. 1 p.m. (7 p.m.).
Completing the race will earn you 3 ITRA points
Coming soon here
6 supplies. 5 complete ones in Cortébert, Place centrale, Lamboing, Chasseral and Mt-Crosin and 1 liquid-only supply in Villeret.
CHF 70.- from 01 to 28 February 2026.
CHF 90.- from 01.03 to 23.09.26.
CHF 105.- on site.
On Saturday, September 26, 2026 in Tramelan at the Salle de la Marelle between 4:30 a.m. and 5:30 a.m. with your identity document.
Briefing 5 minutes before departure, at 5:55 a.m.
A personal cup for supplies is required.
There are no cups on supplies.
The front lamp is also compulsory.
- 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.
La Grandiose is a demanding route for trail runners looking for challenges and sumptuous landscapes.
A course on the border of the ulta trail awaits you with La Grandiose.
The departure from Tramelan by the light of headlamps begins with a steep climb on the ridge and a descent to Cortébert which will immediately break a few muscle fibers. Then direction Mt-Sujet and Lamboing to go back to the summit of Chasseral. From there, the path takes you downhill into the heart of Combe-Grède to then go up on the other side of the St-Imier valley to the Mt-Crosin wind farm. One last effort because in the distance, Tramelan and the finish await you.


