From the folks at Mid Ohio:

The only weekend opportunity for Open Track Time and Open Testing & Tuning of the season is on Sunday, September 20. The Mid-Ohio School will conduct both events. Open Track Time sessions are for first-timers to the track in their street-legal cars and graduates of The Mid-Ohio School. Open Testing & Tuning sessions are for licensed racers in their race-prepared machines. Each group is guaranteed three, 20-minute sessions for the great price of $195.

Schedule:
7:30AM – 8:30AM Registration & Tech Inspection
8:20AM – 8:25AM Drivers Meeting
8:30AM – 1:00PM On Track Sessions split into 3 Groups based on car mix

Get more at Mid Ohio’s Web page: http://www.midohio.com/Store/School-Courses/Racing-Programs/Open-Testing—Tuning