Williams
Ralf Schumacher a terminé P5 du Championnat du Monde 2003 avec 58 points. En 15 courses : 2 victoires, 3 podiums et 3 pole positions — meilleur résultat P1.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Australian Grand Prix | Williams | 9 | P8 | 1 | Finished |
| 2 | Malaysian Grand Prix | Williams | 17 | P4 | 5 | Finished |
| 3 | Brazilian Grand Prix | Williams | 6 | P7 | 2 | Finished |
| 4 | San Marino Grand Prix | Williams | 2 | P4 | 5 | Finished |
| 5 | Spanish Grand Prix | Williams | 7 |
| P5 |
| 4 |
| +1 Lap |
| 6 | Austrian Grand Prix | Williams | 10 | P6 | 3 | +1 Lap |
| 7 | Monaco Grand Prix | Williams | 1 | P4 | 5 | Finished |
| 8 | Canadian Grand Prix | Williams | 1 | P2 | 8 | Finished |
| 9 | European Grand Prix | Williams | 3 | P1 | 10 | Finished |
| 10 | French Grand Prix | Williams | 1 | P1 | 10 | Finished |
| 11 | British Grand Prix | Williams | 4 | P9 | Finished |
| 12 | German Grand Prix | Williams | 2 | P16 | Accident |
| 13 | Hungarian Grand Prix | Williams | 2 | P4 | 5 | Finished |
| 15 | United States Grand Prix | Williams | 5 | P19 | Accident |
| 16 | Japanese Grand Prix | Williams | 19 | P12 | +1 Lap |