Planning any event is difficult. Planning for the potential risks and hazards associated with an event is even more difficult but essential to the event’s success. If you want those who attend an event to have positive memories of it, you need to keep several things in mind. This chapter covers the issues that you should address in the very early stages of planning or even when you are discussing promoting or sponsoring such an event. Before you schedule the event, you should consider the scope of the event or mass gathering, the risks to spectators.