2003 Firestone Indy 400
Michigan International Speedway · · NTT IndyCar Series
Race summary
| Winner | Cars | Margin |
|---|---|---|
| Alex Barron | 21 | 0.012 |
Finishing order
Interval is the deficit to the winner: seconds where official timing recorded them, laps where a car finished down.
| Fin | Driver | Team | Engine | Interval |
|---|---|---|---|---|
| 1 | Alex Barron | Mo Nunn Racing | Toyota | |
| 2 | Sam Hornish Jr. | Panther Racing | Chevrolet | +0.012s |
| 3 | Tomas Scheckter | Chip Ganassi Racing | Toyota | +0.669s |
| 4 | Scott Sharp | Kelley Racing | Toyota | +0.711s |
| 5 | Scott Dixon | Chip Ganassi Racing | Toyota | +2.328s |
| 6 | Tora Takagi | Mo Nunn Racing | Toyota | +2.437s |
| 7 | Gil de Ferran | Team Penske | Toyota | +2.897s |
| 8 | Roger Yasukawa | Fernandez Racing | Honda | +8.705s |
| 9 | Al Unser Jr. | Kelley Racing | Toyota | +33.430s |
| 10 | Greg Ray | Access Motorsports | Honda | +1 lap |
| 11 | Buddy Rice | Red Bull Cheever Racing | Chevrolet | +2 laps |
| 12 | Buddy Lazier | Hemelgarn Racing | Chevrolet | +4 laps |
| 13 | Robbie Buhl | Dreyer & Reinbold Racing | Chevrolet | +4 laps |
| 14 | A.J. Foyt IV | A.J. Foyt Enterprises | Toyota | — |
| 15 | Sarah Fisher | Dreyer & Reinbold Racing | Chevrolet | — |
| 16 | Tony Kanaan | Andretti Global | Honda | — |
| 17 | Helio Castroneves | Team Penske | Toyota | — |
| 18 | Kenny Bräck | Rahal Letterman Lanigan Racing | Honda | — |
| 19 | Bryan Herta | Andretti Global | Honda | — |
| 20 | Dan Wheldon | Andretti Global | Honda | — |
| 21 | Vítor Meira | Team Menard | Chevrolet | — |