La Transju'Trails — Trail running in the Jura Mountains

18th edition: 5,000 participants and the new 82 km relay

The 18th edition of La Transju'Trails marked a participation record with over 5,000 runners and hikers on June 7th and 8th, 2025. A major new feature of the edition, the 82 km relay allowed teams to share the festival's main event. The 8 distances offered (5, 10, 15, 25, 42, 65, 82 km, and 82 km relay) provided a challenge adapted to every level, from beginners to seasoned ultra-runners.