Super Late Model
  • All rear engine, mid engine, AWD and C5-C8 Corvette
Late Model
  • 1988 and up vehicles (including applicable trucks)
Mid Muscle
  • 1973-1987 and up vehicles (includes applicable trucks, C4, 2nd and 3rd generation Camaro, and Fox Body Mustangs)
Vintage Muscle
  • Vehicle through 1972 (including applicable trucks and C1-C3)

UMI management reserves the right to adjust classing at any time up until the start of the event