Mid-Ohio Sports Car Course
2.4 Mile Road Course (1987-89)
2.25 Mile Road Course (1990-2003)
Remeasured to 2.258 Miles in 1997
Lexington, Ohio
IMSA sanctioned 1987-94
SCCA sanctioned 1995-97
PSCR sanctioned 1998-2000
CART sanctioned 2001-03
| Race # | Date | Miles | Winner |
| 1 | 6/7/1987 | 48 | Jeremy Dale |
| 2 | 6/5/1988 | 62.4 | Jeremy Dale |
| 3 | 6/4/1989 | 60 | Rob Wilson |
| 4 | 6/4/1990 | 56.25 | Rob Wilson |
| 5 | 6/2/1991 | 40.5 | Johnny Robinson |
| 6 | 9/13/1992 | 49.5 | Robert Amren |
| 7 | 9/12/1993 | 49.5 | Alex Padilla |
| 8 | 8/13/1994 | 38.25 | Juan Montoya |
| 9 | 8/13/1995 | 49.5 | Jeff Bucknum |
| 10 | 8/4/1996 | 49.5 | Fredrik Larsson |
| 11 | 6/15/1997 | 45.16 | Derek Hill |
| 12 | 8/10/1997 | 40.644 | Andy Boss |
| 13 | 8/9/1998 | 56.45 | Jon Fogarty |
| 14 | 8/15/1999 | 58.708 | Todd Snyder |
| 15 | 8/13/2000 | 58.708 | Jon Fogarty |
| 16 | 8/12/2001 | 58.708 | Nicolas Rondet |
| 17 | 8/11/2002 | 58.708 | Marc Breuers |
| 18 | 8/3/2003 | 24.838 | Leonardo Maia |