The town of Nantua welcomes us to the shores of the lake and the heart of the "Station de Trail du Haut Bugey - Montagnes du Jura"!

Trail race along the most beautiful paths in the Ain. Much more than a race: a real challenge, a test of resilience, courage and passion. The Tiger Balm Ultra 01 brings together runners from all horizons, ready to push back their limits.

La Forestière is a UCI MTB, Cyclo, Kids and Enduro event. It attracts over 3,500 participants, and its reputation attracts the world's best riders as well as mountain bikers from all over France and abroad.