2005 Portland Grand Prix
The 2005 Portland Grand Prix was the sixth race for the 2005 American Le Mans Series season held at Portland International Raceway. It took place on July 30, 2005.
Official results
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified.| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
| Pos | Class | No | Team | Drivers | Engine | Tyre | Laps |
| 1 | LMP1 | 2 |  Statistics
|