Sears Point Raceway
2.53 Mile Road Course
Sonoma, California
IMSA sanctioned 1987-90
SCCA sanctioned 1995-96
| Race # | Date | Miles | Winner |
| 1 | 8/1/1987 | 50.6 | Jeremy Dale |
| 2 | 8/14/1988 | 60.72 | Harald Huysman |
| 3 | 9/10/1989 | 58.19 | Robbie Buhl |
| 4 | 7/15/1990 | 53.13 | Johnny Robinson |
| 5 | 7/16/1995 | 48.07 | Geoff Boss |
| 6 | 7/14/1996 | 48.07 | Fredrik Larsson |