1, usually the first to go is the lead car, also known as the "rabbit", the lead car is responsible for according to the predetermined speed, to provide participants with speed reference.
2. Depending on the scale of the race and the demand, there may be media vehicles, medical vehicles, supply vehicles and so on. Media trucks are used to broadcast the event and record the highlights, medical trucks are used for emergency medical assistance, and supply trucks provide water, food and other necessities for the runners. This ordering helps to ensure the smooth running of the race and maximize the safety and health of the participants.