Sonoma Raceway
Formerly Sears Point Raceway (1990-93)
Formerly Infineon Raceway (2004)
2.53 Mile Road Course (1990-93, 2004)
2.385 Mile Road Course (2014)
Sonoma, California
USAC sanctioned 1990-92 race 1
SCCA sanctioned 1992 race 2-93, 2004
INDYCAR sanctioned 2014
| Race # | Date | Miles | Winner |
| 1 | 8/6/1990 | 50.6 | Vince Puleo |
| 2 | 10/21/1990 | 45.54 | Tom Nields |
| 3 | 6/8/1991 | 45.54 | Greg Tracy |
| 4 | 2/16/1992 | 45.54 | Greg Tracy |
| 5 | 10/3/1992 | 50.6 | Greg Ray |
| 6 | 10/4/1992 | 50.6 | Doug Boyer |
| 7 | 7/4/1993 | 50.6 | Ernest Sikes |
| 8 | 7/17/2004 | 43.01 | Bobby Wilson |
| 9 | 7/18/2004 | 43.01 | Jay Howard |
| 10 | 8/22/2014 | 35.775 | RC Enerson |
| 11 | 8/23/2014 | 35.775 | Florian Latorre |