Jason Leffler
| Jason Leffler's 2003 NASCAR Cup Series Statistics |
|---|
| No. | Finish | Start | Car | Mfg | Team / Owner | Crew Chief | Status | Laps | Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 33 | 26 | 0 |  | Haas CNC Racing | Tony Furr | Running | 154 | 0 |
| 2 | 35 | 6 | 0 | | Haas CNC Racing | Tony Furr | Running | 166 | 0 |
| 3 | 26 | 30 | 0 | | Haas CNC Racing | Tony Furr | Running | 458 | 0 |
| 4 | 26 | 36 | 0 | | Haas CNC Racing | Tony Furr | Running | 356 | 0 |
| 5 | 28 | 40 | 0 | | Haas CNC Racing | Tony Furr | Running | 397 | 19 |
| 6 | 27 | 41 | 0 | | Haas CNC Racing | Tony Furr | Running | 298 | 0 |
| 7 | 25 | 37 | 0 | | Haas CNC Racing | Tony Furr | Running | 398 | 0 |
| 8 | 30 | 6 | 0 | | Haas CNC Racing | Tony Furr | Running | 265 | 6 |
| 9 | 35 | 24 | 0 | | Haas CNC Racing | Tony Furr | Running | 325 | 0 |
| 10 | 27 | 34 | 0 | | Haas CNC Racing | Tony Furr | Running | 498 | 0 |
