16ème Trail Vallée de Joux 51km 2026

Runners convene at Le Sentier by Lac de Joux for an October trail-running weekend in Switzerland’s Vallée de Joux. The Xterra Trail Vallée de Joux provides several distances, from a 7.12 km introductory route to a 58.17 km long course with 2,717 m of climbing, accommodating first trail attempts, shorter mountain efforts, and full-day endurance runners. The routes traverse the valley’s forests, open pastures, and lakeside terrain around Lac de Joux, featuring climbs and descents in every distance. The intermediate options are 12.59 km with 458 m of gain, 22.17 km with 773 m, and 36.8 km with 1,786 m, offering progressive steps in difficulty. The event also features children’s races, and its UTMB Index status is relevant for trail runners seeking qualifying results or comparing performances across mountain races.