| Nashville 420 | Date: | 7/15/1978 |
| Finish | Start | CarNo | Driver | Laps | Status | Division: | Cup |
| 1 | 2 | 11 | Cale Yarborough | 420 | Running |
| 2 | 8 | 88 | Darrell Waltrip | 418 | Running |
| 3 | 9 | 3 | Richard Childress | 415 | Running |
| 4 | 5 | 2 | Dave Marcis | 414 | Running |
| 5 | 4 | 70 | J.D. McDuffie | 413 | Running |
| 6 | 6 | 72 | Benny Parsons | 412 | Running |
| 7 | 11 | 15 | Bobby Allison | 411 | Running |
| 8 | 13 | 90 | Dick Brooks | 409 | Running |
| 9 | 15 | 81 | Ferrel Harris | 405 | Running |
| 10 | 26 | 25 | Ronnie Thomas | 405 | Running |
| 11 | 24 | 41 | Grant Adcox | 405 | Running |
| 12 | 18 | 67 | Buddy Arrington | 402 | Running |
| 13 | 17 | 79 | Frank Warren | 396 | Running |
| 14 | 10 | 05 | Bruce Hill | 394 | Running |
| 15 | 23 | 4 | Gary Myers | 390 | Running |
| 16 | 25 | 64 | Elmo Langley | 389 | Running |
| 17 | 19 | 17 | Roger Hamby | 383 | Running |
| 18 | 29 | 19 | Dick May | 380 | Running |
| 19 | 28 | 24 | Cecil Gordon | 379 | Running |
| 20 | 21 | 40 | D.K. Ulrich | 377 | Running |
| 21 | 27 | 97 | Ralph Jones | 372 | Running |
| 22 | 16 | 30 | Tighe Scott | 357 | Running |
| 23 | 12 | 43 | Richard Petty | 341 | Engine failure |
| 24 | 14 | 52 | Jimmy Means | 201 | Ignition |
| 25 | 7 | 14 | Sterling Marlin | 197 | Brakes |
| 26 | 1 | 54 | Lennie Pond | 171 | Engine failure |
| 27 | 22 | 45 | Baxter Price | 91 | Engine failure |
| 28 | 3 | 5 | Neil Bonnett | 50 | Clutch |
| 29 | 20 | 71 | Bobby Fisher | 30 | Accident |
| 30 | 30 | 48 | Walter Ballard | 0 | DNS |