Ultra Boucle de la Sarra
The Ultra Boucle de la Sarra is a timed race event that includes 24-hour solo, 24-hour relay, 6-hour solo, 6-hour relay, and 2-hour solo races, taking place in Lyon. The 2km course with a 90m elevation gain is located on the slopes of the Fourvière hill. Registrations for the May 2024 edition are already closed. Visit the organization's website for the most recent information.