UT4M - Ultra tour des 4 massifs - Seyssins 2026

The UT4M presents challenging courses with technical trails and steep ridges. Runners will encounter wild nature and stunning landscapes, with panoramic views over Grenoble as they cross Vercors, Taillefer, Belledonne, and Chartreuse. The route features iconic locations such as the lakes of Belledonne and the forests of Vercors. A community of dedicated ultra runners anticipates this test of distance and elevation.