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The Grandiose
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H. max
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max. altitude
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Departure
Saturday, September 26 at 6:00 a.m.
The start will be in Tramelan, behind the Marelle multipurpose hall.
Time limits and time barriers
- The maximum time to reach the first aid station in Cortébert is 2 hours (08:00).
- The maximum time to reach the 2nd aid station at the central square is 3 hours (09:00).
- Maximum time to reach the 3rd aid station in Lamboing is 5 hours (11:00).
- Maximum time to reach the 4th supply point at Chasseral is 8 hours (2:00 PM).
- Maximum time to reach the 5th aid station at Mt-Crosin is 11 hours (5:00 PM).
- The entire route must be completed in a maximum of 13 hours (7:00 PM).
ITRA Points
By completing the race, you will earn 3 ITRA points
Race regulations
Supplies
6 aid stations. 5 full aid stations at Cortébert, at the central square, at Lamboing, at Chasseral and at Mt-Crosin and 1 aid station with only liquids at Villeret.
Fees and registration conditions
CHF 70.- from 01 to 28 February 2026.
CHF 90.- from 01.03 to 23.09.26.
CHF 105.- on site.
Bib collection and briefing
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 05:55.
Required equipment
A personal cup is required for use at aid stations.
There are no cups provided at the aid stations.
A headlamp is also mandatory.
Recommended equipment
- Backpack
- Water reservoir, min 1l
- Survival blanket
- Whistle
- Adhesive elastic bandage for use in slinging or strapping
- Waterproof jacket to withstand bad weather in the mountains
- Second layer (long-sleeved sweater or arm warmers)
- Small food reserve (bars, gels)
- Mobile phone
If you choose to use poles, you must have them with you throughout the race.
La Grandiose is a demanding route for trail runners looking for challenges and sumptuous landscapes.
A course bordering on ultra-trail running awaits you with La Grandiose. The start in Tramelan, illuminated by headlamps, begins with a steep climb to the ridge and a descent to Cortébert that will immediately test your muscles.
Next, head towards Mont-Sujet and Lamboing before climbing to the summit of Chasseral. From there, the trail leads you down into the heart of the Combe-Grède valley before climbing back up the other side of the St-Imier valley to the Mont-Crosin wind farm. One last push, because in the distance, Tramelan and the finish line await.
GPX track
