October 5, 1985             Columbus Street Circuit, Columbus, OH      IMSA GTO/GTU      Steve Millen
October 6, 1985       Columbus Ford Dealers 500      Columbus Street Circuit, Columbus, OH      IMSA GTP/Lights      Price Cobb
Drake Olsen
October 5, 1986             Columbus Street Circuit, Columbus, OH      IMSA GTO/GTU      Willy T. Ribbs
October 5, 1986       Columbus Ford Dealers 500      Columbus Street Circuit, Columbus, OH      IMSA GTP/Lights      Bob Wollek
Scott Pruett
October 4, 1987       Columbus Ford Dealers 500 Grand Prix      Columbus Street Circuit, Columbus, OH      IMSA GTP/Lights      Bobby Rahal
October 4, 1987       URS Turner Cam GT      Columbus Street Circuit, Columbus, OH      IMSA GTO/GTU      Jack Baldwin
October 2, 1988       Turner Construction Camel GTO/GTU      Columbus Street Circuit, Columbus, OH      IMSA GTO/GTU      Irv Hoerr
October 2, 1988       Columbus Ford Dealers 500      Columbus Street Circuit, Columbus, OH      IMSA GTP/Lights      Geoff Brabham