I did a 37 hr Chumpcars enduro there last November. Yes, 37 hours...7 am to 8 pm the next night. Raining and 30 degrees. Froze my arse. 7 driver team. Our '80 RX-7 finished 6th. It is a bumpy track, especially the hairpin at the top end of the course. Beats up the suspension pretty good.