From The Third Turn, an online resource for all news and results stock car racing.
| Greg Biffle 2003 Season Results NASCAR Winston Cup Series |
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Race-By-Race
| Race | Track | St | Fin | # | Sponsor/Owner | Make | Laps | Led | Status | Pts |
|---|---|---|---|---|---|---|---|---|---|---|
| Daytona International Speedway | 27 | 21 | 16 | Grainger | Ford | 109/109 | 0 | running | 100 | |
| Rockingham Speedway | 13 | 22 | 16 | Grainger | Ford | 392/393 | 0 | running | 97 | |
| Las Vegas Motor Speedway | 16 | Grainger | Ford | DNQ | ||||||
| Atlanta Motor Speedway | 20 | 13 | 16 | Grainger | Ford | 324/325 | 0 | running | 124 | |
| Darlington Raceway | 17 | 12 | 16 | Grainger | Ford | 292/293 | 0 | running | 127 | |
| Bristol Motor Speedway | 15 | 5 | 16 | Grainger | Ford | 500/500 | 0 | running | 155 | |
| Texas Motor Speedway | 20 | 28 | 16 | Grainger | Ford | 330/334 | 0 | running | 79 | |
| Talladega Superspeedway | 33 | 22 | 16 | Grainger | Ford | 178/188 | 0 | running | 97 | |
| Martinsville Speedway | 20 | 18 | 16 | Grainger | Ford | 499/500 | 0 | running | 109 | |
| Auto Club Speedway | 29 | 18 | 16 | Grainger | Ford | 249/250 | 0 | running | 109 | |
| Richmond Raceway (VA) | 15 | 17 | 16 | Grainger | Ford | 393/393 | 0 | running | 112 | |
| Charlotte Motor Speedway | 26 | 16 | 16 | Grainger | Ford | 275/276 | 0 | running | 115 | |
| Dover Motor Speedway | 15 | 30 | 16 | Grainger | Ford | 387/400 | 0 | accident | 73 | |
| Pocono Raceway | 26 | 20 | 16 | Grainger | Ford | 199/200 | 0 | accident | 103 | |
| Michigan International Speedway | 29 | 31 | 16 | Grainger | Ford | 199/200 | 1 | running | 75 | |
| Sonoma Raceway | 32 | 37 | 16 | Grainger | Ford | 106/110 | 0 | out of gas | 52 | |
| Daytona International Speedway | 30 | 1 | 16 | Grainger | Ford | 160/160 | 21 | running | 180 | |
| Chicagoland Speedway | 7 | 20 | 16 | Grainger | Ford | 265/267 | 0 | running | 103 | |
| New Hampshire Motor Speedway | 20 | 10 | 16 | Grainger | Ford | 300/300 | 0 | running | 134 | |
| Pocono Raceway | 24 | 27 | 16 | Grainger | Ford | 197/200 | 0 | running | 82 | |
| Indianapolis Motor Speedway | 18 | 21 | 16 | Grainger | Ford | 160/160 | 0 | running | 100 | |
| Watkins Glen International | 2 | 30 | 16 | Grainger | Ford | 90/90 | 23 | running | 78 | |
| Michigan International Speedway | 12 | 4 | 16 | Grainger | Ford | 200/200 | 19 | running | 165 | |
| Bristol Motor Speedway | 34 | 22 | 16 | Grainger | Ford | 500/500 | 0 | running | 97 | |
| Darlington Raceway | 9 | 10 | 16 | Grainger | Ford | 367/367 | 70 | running | 139 | |
| Richmond Raceway (VA) | 2 | 20 | 16 | Grainger | Ford | 399/400 | 2 | running | 108 | |
| New Hampshire Motor Speedway | 4 | 43 | 16 | Grainger | Ford | 108/300 | 0 | engine | 34 | |
| Dover Motor Speedway | 19 | 7 | 16 | Grainger | Ford | 400/400 | 0 | running | 146 | |
| Talladega Superspeedway | 36 | 24 | 16 | Grainger | Ford | 187/188 | 0 | running | 91 | |
| Kansas Speedway | 22 | 12 | 16 | Grainger | Ford | 267/267 | 0 | running | 127 | |
| Charlotte Motor Speedway | 22 | 17 | 16 | Grainger | Ford | 333/334 | 0 | running | 112 | |
| Martinsville Speedway | 19 | 19 | 16 | Grainger | Ford | 500/500 | 0 | running | 106 | |
| Atlanta Motor Speedway | 27 | 34 | 16 | Grainger | Ford | 314/325 | 0 | transmission | 61 | |
| Phoenix Raceway | 25 | 15 | 16 | Grainger | Ford | 312/312 | 0 | running | 118 | |
| Rockingham Speedway | 10 | 11 | 16 | Grainger | Ford | 392/393 | 0 | running | 130 | |
| Homestead-Miami Speedway | 25 | 35 | 16 | Grainger | Ford | 197/267 | 0 | accident | 58 |
Aggregates
| TOP-LINE STATS | |
| Starts | 35 |
| Wins | 1 |
| T5 | 3 |
| T10 | 6 |
| MEANS & MEDIANS | |
| Avg. Start | 20.11 |
| Avg. Fin | 19.77 |
| PERFORMANCE INDICATORS | |
| Laps Completed | 10080/10401 (96.91%) |
| Laps Led | 136 |
| Lead Lap Finishes | 14 |
| DNFs | 6 |
