If you are running in Pro, expect lots of cars. Think there was well over 100 last year. To make it manageable, they will call the first round earlier than usual - around 11:00am if I remember correctly - so be prepaired. Don't know how many cars were there in total ( lots ), but I had no problem getting in 4 time runs - think they were limiting them to 3 per day though. Pits were extremely crowded with ATV's flying all over the place. Drive with caution. Seen a few pit acccidents. I thought the track was run very efficiently for the size of the crowd. Very little track carnage probably helped.