June 22, 1986		West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTU	Roger Mandeville
June 22, 1986	Grand Prix of Palm Beach	West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTP/Lights	Sarel van der Merwe Doc Bundy
June 22, 1986		West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTO	Scott Pruett
June 20, 1987		West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTO	Tom Gloy
June 21, 1987	Grand Prix of Palm Beach	West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTP/Lights	Hurley Haywood John Morton
June 21, 1987		West Palm Beach Street Circuit, West Palm Beach, FL	IMSA GTU	Terry Visger