| series | Champcar complete |
| driver |  Robbie Unser |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1989 | Laguna Seca | Hemelgarn | 91 | Mackenzie Financial | DNS | Lola T8900 | Judd AV |
1 entry
| series | Champcar complete |
| driver | Robbie Unser |
| year | race | team | car | entry | start | finish | chassis | engine | laps led | * |
| 1989 | Laguna Seca | Hemelgarn | 91 | Mackenzie Financial | DNS | Lola T8900 | Judd AV |