The track is 22.8 km or 14.2 miles in length. The current single lap record time is held by Ferrari at just under 7 minutes. The track is open to the public for taking laps at a cost of about $34 for each lap. Each year, from 3 to 12 people lose their lives to racing at the track.
If you would like to see what it look like to take a lap in a Corvette, check out the Youtube video link: http://youtu.be/k6mEirkQN8o
Lots of Porsche's racing today.