La Transju'Trails
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La Transju'Trails
La Transju'Trails is a weekend trail running event in the Montagnes du Jura, based around Les Rousses. The event takes place in early June and groups several races over two days. The 2026 edition was the 19th edition and gathered nearly 7 000 participants across the weekend, with eleven events on the programme.
Races and formats include individual and team entries and a range of distances offered during the event weekend:
- Ultra 110 km
- 82 km individual and relay
- 65 km
- 42 km
- 25 km
- 15 km
- 10 km
- 5 km trail or rando
- Randonnée 15 km
- Trail for young runners
- La Verticale de la Transju
The programme is spread across paths and trails in the Jura mountains and combines long distance ultras with shorter trail and randonnée options. Results and news from recent editions are published after the weekend and the event includes a branded village and partner presence. Visit the organization's website for the most recent information.
