The L'Ultr'Arverne 330 km starts riders from Ambert, in the Puy-de-Dôme department of Auvergne, at 7:00 in the morning. It is a long-distance cycling event following a 330-kilometer route, with 6,183 meters of total climbing.
The route details confirm this is a substantial ride with significant elevation changes across the Auvergne region. The official race site is ultrarverne.fr, and the event lists the 330 km distance as the main option in the series.