| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Danny Sullivan | 9 | Roger Penske | Penske PC17/Chevrolet | 250 | 111,196 | running | 92 |
| 2 | 4 | Bobby Rahal | 1 | Barbara Trueman | Lola T88/00/Judd | 249 | 71,996 | running | 18 |
| 3 | 14 | Michael Andretti | 18 | Maurice Kraines | March 88C/Cosworth | 247 | 46,226 | running | 0 |
| 4 | 18 | Tony Bettenhausen Jr. | 16 | Tony Bettenhausen Jr. | Lola T87/00/Cosworth | 240 | 31,000 | running | 0 |
| 5 | 22 | Phil Krueger | 77 | George Walther | March 86C/Cosworth | 239 | 21,796 | running | 0 |
| 6 | 9 | Gordon Johncock | 85 | Ron Hemelgarn | Lola T88/00/Cosworth | 237 | 18,944 | running | 0 |
| 7 | 17 | Dick Simon | 22 | Dick Simon | Lola T88/00/Cosworth | 227 | 24,376 | running | 0 |
| 8 | 26 | John Jones | 12 | Frank Arciero | March 88C/Cosworth | 221 | 23,592 | running | 0 |
| 9 | 2 | Al Unser | 60 | Roger Penske | Penske PC17/Chevrolet | 216 | 15,808 | engine | 19 |
| 10 | 25 | Scott Atchison | 55 | Andy Kenopensky | March 86C/Cosworth | 214 | 22,024 | running | 0 |
| 11 | 10 | Raul de Mesquita Boesel | 30 | Douglas Shierson | Lola T88/00 HU08/Cosworth | 211 | 21,710 | engine | 0 |
| 12 | 3 | Mario Andretti | 6 | Newman Haas Racing | Lola T88/00/Cosworth | 180 | 21,083 | engine | 10 |
| 13 | 1 | Rick Mears | 5 | Roger Penske | Penske PC17/Chevrolet | 177 | 25,456 | engine | 94 |
| 14 | 24 | Randy Lewis | 24 | Ralph Wilke | Lola T87/00/Cosworth | 174 | 19,829 | engine | 0 |
| 15 | 21 | Rich Vogler | 11 | Andy Kenopensky | March 88C/Cosworth | 157 | 19,202 | engine | 0 |
| 16 | 8 | Derek Daly | 10 | Ray Neisewander | Lola T88/00/Cosworth | 135 | 18,574 | accident | 0 |
| 17 | 23 | Bill Vukovich III | 56 | Richard Hammond | March 88C/Cosworth | 129 | 18,418 | oil leak | 0 |
| 18 | 13 | Johnny Rutherford | 14 | A.J. Foyt | Lola T88/00/Cosworth | 129 | 14,604 | fire | 0 |
| 19 | 7 | Emerson Wojciechowska Fittipaldi | 20 | Pat Patrick | Lola T88/00/Chevrolet | 121 | 21,447 | electrical | 17 |
| 20 | 16 | Roberto Guerrero Isaza | 2 | Vince Granatelli | Lola T88/00/Cosworth | 99 | 17,790 | engine | 0 |
| 21 | 6 | Al Unser Jr. | 3 | Rick Galles | March 88C/Cosworth | 99 | 21,134 | water hose | 0 |
| 22 | 15 | Tom Sneva | 71 | Ron Hemelgarn | Lola T88/00/Cosworth | 93 | 17,477 | engine | 0 |
| 23 | 27 | Howdy Holmes | 21 | Alex Morales | March 88C/Cosworth | 85 | 17,320 | fatigue | 0 |
| 24 | 19 | John Andretti | 98 | Mike Curb | Lola T88/00/Cosworth | 60 | 17,163 | overheating | 0 |
| 25 | 12 | Teo Fabi | 8 | Porsche Motorsports | March 88C/Porsche | 56 | 10,006 | mechanical | 0 |
| 26 | 20 | Scott Brayton | 91 | Ron Hemelgarn | Lola T88/00/Judd | 56 | 16,850 | engine | 0 |
| 27 | 28 | Dale Coyne | 19 | Dale Coyne | March 86C/Chevrolet | 12 | 16,693 | oil pressure | 0 |
| 28 | 11 | Arie Luijendijk | 7 | Dick Simon | Lola T88/00/Cosworth | 7 | 16,536 | engine | 0 |
| Geoff Bodine | 7X | Dick Simon | Lola T88/00/Cosworth | 0 | practiced car | 0 | |||
| Steve Chassey | ESPN | 0 | color commentary | ||||||
| Bob Jenkins | ESPN | 0 | lead announcer |