2003 Jason Leffler NASCAR Winston Cup results
2003 season results | 2003 season standings
Back to Jason Leffler career stats
| Race # | Track | Start | Finish | Car # | Sponsor | Engine | Owner | Crew Chief | Qualifying Speed | Laps | X Led | Laps Led | Status | Money | Points |
| 21 | Indianapolis | 26 | 33 | 0 | NetZero Hi-Speed | Pontiac | Haas | Furr | 181.759 | 154 | 0 | 0 | running | 107425 | 64 |
| 23 | Michigan | 6 | 35 | 0 | NetZero Hi-Speed | Pontiac | Haas | Furr | 188.828 | 166 | 0 | 0 | running | 48540 | 58 |
| 24 | Bristol | 30 | 26 | 0 | NetZero Hi-Speed | Pontiac | Haas | Furr | 125.699 | 458 | 0 | 0 | running | 66815 | 85 |
| 25 | Darlington | 36 | 26 | 0 | NetZero | Pontiac | Haas | Furr | 165.760 | 356 | 0 | 0 | running | 55455 | 85 |
| 26 | Richmond | 40 | 28 | 0 | NetZero | Pontiac | Haas | Furr | 121.814 | 397 | 1 | 19 | running | 50680 | 84 |
| 27 | Loudon | 41 | 27 | 0 | NetZero | Pontiac | Haas | Furr | 128.040 | 298 | 0 | 0 | running | 53925 | 82 |
| 28 | Dover | 37 | 25 | 0 | NetZero | Pontiac | Haas | Furr | 398 | 0 | 0 | running | 57215 | 88 | |
| 30 | Kansas | 6 | 30 | 0 | NetZero | Pontiac | Haas | Furr | 179.176 | 265 | 2 | 5 | running | 62285 | 78 |
| 31 | Charlotte | 24 | 35 | 0 | NetZero | Pontiac | Haas | Furr | 183.175 | 325 | 0 | 0 | running | 45150 | 58 |
| 32 | Martinsville | 34 | 27 | 0 | NetZero | Pontiac | Haas | Furr | 91.838 | 498 | 0 | 0 | running | 47010 | 82 |
