April 24, 1988	Grand Prix of Palm Beach	South Florida Fairgrounds, West Palm Beach, FL	IMSA GTP/Lights	Geoff Brabham John Morton
April 24, 1988	1 Hour Palm Beach GTO	South Florida Fairgrounds, West Palm Beach, FL	IMSA GTO	Pete Halsmer
April 23, 1989	Pontiac Grand Prix of Palm Beach	South Florida Fairgrounds, West Palm Beach, FL	IMSA GTP/Lights	John Andretti Bob Wollek
April 22, 1990	Toyota Grand Prix of Palm Beach	South Florida Fairgrounds, West Palm Beach, FL	IMSA GTP/Lights	Geoff Brabham Derek Daly
March 2, 1991		South Florida Fairgrounds, West Palm Beach, FL	IMSA GTO/GTU	Pete Halsmer
March 3, 1991		South Florida Fairgrounds, West Palm Beach, FL	IMSA American Challenge	Phil Currin
March 3, 1991	Toyota Grand Prix of Palm Beach	South Florida Fairgrounds, West Palm Beach, FL	IMSA GTP/Lights	Davy Jones