| Race | Date | Cars | Winner(s) | St | Chassis / Engine | Len | Sfc | Miles | Purse | Pole | Cau | Laps | Speed | LC |
|---|
| 1984-06 | 07-01-1984 | 28 | Mario Andretti | 1 | Lola / Cosworth | 1.682 | S | 168 | 453,825 | 96.012 | 1 | 8 | 80.742 | 0 | | 1985-05 | 06-30-1985 | 28 | Al Unser, Jr. | 6 | Lola / Cosworth | 1.680 | S | 168 | 664,462 | 98.452 | 1 | 1 | 90.167 | 6 | | 1986-06 | 06-29-1986 | 25 | Danny Sullivan | 5 | March / Cosworth | 1.682 | S | 168 | 702,370 | 100.028 | 0 | 0 | 92.340 | 5 | | 1987-06 | 06-28-1987 | 26 | Bobby Rahal | 2 | Lola / Cosworth | 1.682 | S | 168 | 702,550 | 90.108 | 3 | 14 | 86.032 | 2 | | 1988-08 | 07-24-1988 | 25 | Al Unser, Jr. | 6 | March / Chevrolet | 1.217 | S | 183 | 707,620 | 113.632 | 3 | 25 | 99.352 | 5 | | 1989-08 | 07-16-1989 | 28 | Bobby Rahal | 6 | Lola / Cosworth | 1.217 | S | 176 | 716,681 | 113.737 | 5 | 26 | 81.860 | 6 | | 1990-08 | 07-15-1990 | 28 | Michael Andretti | 1 | Lola / Chevrolet | 1.217 | S | 183 | 703,559 | 114.652 | 2 | 17 | 97.291 | 5 | | 1991-09 | 07-14-1991 | 23 | Bobby Rahal | 4 | Lola / Chevrolet | 1.217 | S | 183 | 686,744 | 115.991 | 4 | 19 | 95.551 | 1 |
8 races
6 races |