The head doctor is responsible for all medical interventions during the race and will send for emergency services when necessary, with the Clerk of Course’s approval. The emergency service includes a first-aid vehicle, an ambulance and a fire engine. At the scene, the head doctor assesses the situation and issues the necessary instructions. Injured riders are taken to the medical centre which comprises two treatment rooms, an intensive care unit and a post-trauma room. The head doctor is also in charge of the spectators’ medical centre, which has a specific team. In all, 500 medical staff work during the race.