Doug Shierson CART/Champ Car statistics at Portland
| Year | Race # | Driver | Start | Finish | Car # | Sponsor | Chassis | Engine | Tire | Qualifying Speed | Laps | X Led | Laps Led | Status | Points |
| 1984 | 5 | Danny Sullivan | 2 | 23 | 30 | Domino's Pizza | Lola | Cosworth | Goodyear | 115.862 | 22 | 1 | 18 | transmission | 0 |
| 1985 | 4 | Al Unser, Jr. | 2 | 2 | 30 | Domino's Pizza | Lola | Cosworth | Goodyear | 114.944 | 104 | 3 | 49 | flagged | 17 |
| 1986 | 5 | Al Unser, Jr. | 6 | 3 | 30 | Domino's Pizza | Lola | Cosworth | Goodyear | 91.457 | 104 | 0 | 0 | flagged | 14 |
| 1987 | 5 | Al Unser, Jr. | 11 | 20 | 30 | Domino's Pizza | March | Cosworth | Goodyear | 113.275 | 7 | 0 | 0 | engine | 0 |
| 1988 | 5 | Raul Boesel | 16 | 26 | 30 | Domino's Pizza | March | Cosworth | Goodyear | 113.218 | 2 | 0 | 0 | spark box | 0 |
| 1989 | 6 | Raul Boesel | 14 | 7 | 30 | Domino's Pizza | Lola | Judd | Goodyear | 116.186 | 102 | 0 | 0 | flagged | 6 |
| 1990 | 6 | Arie Luyendyk | 11 | 6 | 30 | Domino's Pizza | Lola | Chevrolet | Goodyear | 118.488 | 103 | 0 | 0 | flagged | 8 |
| 1990 | 6 | Scott Goodyear | 17 | 22 | 11 | Mackenzie Financial | Lola | Judd | Goodyear | 116.213 | 48 | 0 | 0 | engine | 0 |
