| series | Champcar complete |
| driver | Bob Gregg |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1969 | Kent | John Gregg | 125 | Gregg Enterprises | 19 | 11 | Vollstedt 65 [7] | Chevy 320 V8 | ||
| 1969 | Kent /b | John Gregg | 125 | Gregg Enterprises | 11 | 16 | Vollstedt 65 [7] | Chevy 320 V8 | ||
| 1969 | Phoenix II | John Gregg | 125 | Gregg Enterprises | DNS | Vollstedt 65 [7] | Chevy 320 V8 | |||
| 1969 | Riverside | John Gregg | 125 | Gregg Enterprises | 30 | 13 | Vollstedt 65 [7] | Chevy 320 V8 | ||
| 1970 | Phoenix II | Larry Kramer | 79 | Kramer | DNS | Vollstedt 65 [7] | Chevy 320 V8 |
