Trail des Torrents Biviers
The Biviers/Montbonnot Cross offers courses open to everyone, from 3km to 19km, suitable for all levels. This year, a new 19km trail course with 1000m of positive elevation gain is being introduced. The courses are known for their family-friendly atmosphere and the participation of school children. The 10km cross is part of the "GRESIVAUDAN Intercommunal Challenge." The 3km, 10km, and trail courses are timed, with free entertainment for children on race day. Visit the organization's website for the most recent information.