| series | Champcar complete |
| driver |  Slim Roberts |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1965 | Pikes Peak | Unser Racing | 9 | Sproul Homes | 25 | 9 | Unser 59 D | Chevy V8 |
1 entry
| series | Champcar complete |
| driver | Slim Roberts |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1965 | Pikes Peak | Unser Racing | 9 | Sproul Homes | 25 | 9 | Unser 59 D | Chevy V8 |