IMSA
| 1998 | Butch Leitzinger | 1997 | Butch Leitzinger | 1996 | Wayne Taylor | 1995 | Fermin Vélez | 1994 | Wayne Taylor | 1993 | Juan Manuel Fangio II | 1993 | Parker Johnstone | Lights | 1992 | Juan Manuel Fangio II | 1992 | Parker Johnstone | Lights | 1991 | Geoff Brabham | 1991 | Parker Johnstone | Lights | 1990 | Geoff Brabham | 1990 | Tomas López | Lights | 1989 | Geoff Brabham | 1989 | Scott Schubot | Lights | 1988 | Geoff Brabham | 1988 | Tom Hessert | Lights | 1987 | Chip Robinson | 1987 | Jim Downing | Lights | 1986 | Al Holbert | 1986 | Scott Pruett | GTE | 1986 | Jim Downing | Lights | 1985 | Al Holbert | 1985 | Jim Downing | Lights | 1984 | Randy Lanier | 1983 | Al Holbert | 1982 | John Paul Jr. | 1982 | John Paul | GTE | 1981 | Brian Redman | 1980 | John Fitzpatrick | 1979 | Peter Gregg | 1978 | Peter Gregg | 1977 | Al Holbert | 1976 | Al Holbert | 1976 | Brad Frisselle | GTU | 1975 | Peter Gregg | 1974 | Peter Gregg | 1973 | Peter Gregg | 1972 | Hurley Haywood | 1971 | Dave Heinz | GTO | 1971 | Hurley Haywood | GTU | 1971 | Peter Gregg | GTU | 1971 | Robert Hennig | TO | 1971 | Byron Morris | TU | 1971 | Clint Abernethy | TU |
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