I'd double check your dates before you make any travel plans.

April 21-22: Miller Motorsports Park West Course
May 19-20: Miller Motorsports Park Perimeter Course (In conjunction with WERA)
June 30-July 1: Miller Motorsports Park East Course
August 18-19: Miller Motorsports Park West Course
September 15-16: Miller Motorsports Park East Course
October 6-7: Miller Motorsports Park Full Course