La Jurassienne - 300 KM
Our brand new 300 km relay race plunges you into an extraordinary trail adventure. This unique distance offers a complete crossing of the Jura Massif, revealing all of its wild and spectacular facets. Do you dare conquer the summits of the Jura?
START IN CULOZ (01) - 1 OCTOBER 2026 AT 8:00 PM
300 KM • 13,000m D+
3 DEPARTMENTS • 2 REGIONS • 2 COUNTRIES
Race Information
Start time: 8:00 PM on 01/10/2026 in Culoz (01)
Team size 4 to 6 runners
Field size: 100 teams
Required year of birth 2007 or earlier (FFA Under-20 category)
Route & Profile
The course will be revealed shortly.
In order to respect private properties crossed along the route and to ensure the peace and quiet of landowners, the GPX track will only be made available a few weeks before the race.
We kindly ask you not to venture onto these private sections, so that we can preserve our routes and agreements.
Race Bib Collection
You may collect your race bib up to 2 hours before the start (in Culoz).
- Thursday from 6:00 PM to 8:00 PM in Culoz
ID is mandatory. Copies will not be accepted. A third party may collect your pack on your behalf only with your original ID.
Start Wave
Single wave
Race Regulation
The race regulation is available here
Mandatory & Recommended Kit
Mandatory kit: :
- 500mL water reservoir
- Brand-new emergency survival blanket
- Waterproof and windproof jacket with fitted hood
- Waterproof and windproof trousers
- Fitted hat/beanie
- Fully charged and switched-on mobile phone
- Individual reusable cup
- Working head torch
- Valid ID (required for crossing into Switzerland)
Recommended/Permitted kit: :
- Whistle
- Thermal base layer (top and bottom)
- Neck gaiter
- Gloves
- Spare clothes
- Personal food supplies
- First aid kit
Poles are permitted on all races (not recommended for the 40 km, 20 km and 10 km).
Cold Weather Kit / Warm Weather Kit:
Depending on forecast weather conditions, the organisation may require participants to carry additional defined kit items, on top of the mandatory gear (see race regulation). Runners will be informed of any such requirement in the days leading up to their race.
Aid Stations
Self-sufficient race (no aid stations)