Another thing to consider for a multi-day event is lodging. For people traveling they will need a place to stay that is secure, or perhaps a place to pitch a tent or sleep in a vehicle. You'd want to arrange with a local hotel for a group rate and provide a security person to be on patrol the whole evening. If it would be possible to camp on the race grounds behind a locked gate that would work for a lot of people too. I'd be traveling with a lot of stuff in the bed of my pickup that I would like to keep
