| 1 | Gr.63000 | 4 | | Porsche 936-77 | 342 | Winner | Finished |
| 2 | Gr.63000 | 10 | | Mirage M8 | 331 | 11 Laps | Finished |
| 1 | Gr.5 | 40 | | Porsche 935 | 315 | 27 Laps | Finished |
| 1 | GTP | 88 | | Inaltéra LM77 | 315 | 27 Laps | Finished |
| 3 | Gr.63000 | 5 | | De Cadenet-Lola LM77 | 315 | 27 Laps | Finished |
| 1 | Gr.62000 | 26 | | Chevron B36 | 303 | 39 Laps | Finished |
| 1 | Gr.4 | 58 | | Porsche 934 | 298 | 44 Laps | Finished |
| 1 | GTIMSA | 71 | | BMW 3.0 CSL | 291 | 51 Laps | Finished |
| 2 | GTIMSA | 50 | | BMW 320i | 287 | 55 Laps | Finished |
| 3 | Gr.4 | 61 | | Porsche 911 Carrera RS | 281 | 61 Laps | Finished |
| 4 | Gr.63000 | 2 | | Inaltéra LM77 | 279 | 63 Laps | Finished |
| 4 | GTIMSA | 70 | | Porsche 911 Carrera RSR | 275 | 67 Laps | Finished |
| 5 | Gr.63000 | 1 | | Inaltéra LM77 | 275 | 67 Laps | Finished |
| 5 | GTIMSA | 79 | | Porsche 911 Carrera RS | 274 | 68 Laps | Finished |
| 2 | GTP | 86 | | WM P76 | 274 | 68 Laps | Finished |
| 1 | GTIMSA | 75 | | Ferrari 365 GT/4 BB | 268 | 74 Laps | Finished |
| 3 | GTP | 83 | | Aston Martin DBS | 260 | 82 Laps | Finished |
| 2 | Gr.5 | 47 | | Porsche 911 Carrera RSR | 254 | 88 Laps | Finished |
| 2 | Gr.4 | 56 | | Porsche 934 | 253 | 89 Laps | Finished |
| 6 | GTIMSA | 77 | | Porsche 911 Carrera RSR | 246 | 96 Laps | Finished |
| NC | — | Gr.62000 | 31 | | Lola T294 | 213 | 129 Laps | Insufficient distance |
| DNF | — | Gr.63000 | 8 | | Renault Alpine A442 | 289 | 53 Laps | Engine |
| DNF | — | Gr.5 | 39 | | Porsche 935 | 269 | 73 Laps | Engine |
| DNF | — | Gr.63000 | 9 | | Renault Alpine A442 | 257 | 85 Laps | Engine |
| DNF | — | GTX | 96 | | Porsche 911 Carrera RS | 211 | 131 Laps | Engine |
| DNF | — | GTIMSA | 78 | | Porsche 911 Carrera RSR | 198 | 144 Laps | Engine |
| DNF | — | GTIMSA | 80 | | Porsche 911 Carrera RS | 191 | 151 Laps | Engine |
| DNF | — | Gr.62000 | 25 | | Chevron B36 | 176 | 166 Laps | Oil Leak |
| DNF | — | Gr.62000 | 21 | | Sauber C5 | 161 | 181 Laps | Gearbox |
| DNF | — | Gr.4 | 59 | | Porsche 934 | 160 | 182 Laps | Engine |
| DNF | — | Gr.63000 | 7 | | Renault Alpine A442 | 158 | 184 Laps | Engine |
| DNF | — | GTP | 87 | | Alpine A310 | 137 | 205 Laps | Engine |
| DNF | — | Gr.4 | 60 | | Porsche 934 | 123 | 219 Laps | Engine |
| DNF | — | Gr.4 | 57 | | Porsche 934 | 116 | 226 Laps | Engine |
| DNF | — | Gr.4 | 55 | | Porsche 934 | 115 | 227 Laps | Lost wheel |
| DNF | — | Gr.62000 | 14 | | Lola T286 | 104 | 238 Laps | Engine |
| DNF | — | Gr.62000 | 29 | | Osella PA5 | 100 | 242 Laps | Transmission |
| DNF | — | Gr.4 | 63 | | Porsche 911 Carrera | 100 | 242 Laps | Engine |
| DNF | — | Gr.62000 | 32 | | Cheetah G501 | 93 | 249 Laps | Gearbox |
| DNF | — | Gr.5 | 48 | | Porsche 911 Carrera | 90 | 252 Laps | Engine |
| DSQ | — | GTP | 85 | | WM P77 | 90 | 252 Laps | Insufficient distance |
| DNF | — | Gr.5 | 49 | | Porsche 934/5 | 65 | 277 Laps | Fuel pump |
| DNF | — | Gr.63000 | 11 | | Mirage M8 | 58 | 284 Laps | Engine |
| DNF | — | Gr.5 | 41 | | Porsche 935/77 | 52 | 290 Laps | Engine |
| DNF | — | Gr.4 | 62 | | Porsche 911 Carrera | 52 | 290 Laps | Engine |
| DNF | — | GTIMSA | 72 | | BMW 3.0 CSL | 46 | 296 Laps | Engine |
| DNF | — | Gr.63000 | 3 | | Porsche 936-77 | 45 | 297 Laps | Engine |
| DNF | — | GTP | 89 | | Lancia Stratos Turbo | 37 | 305 Laps | Engine |
| DNF | — | GTIMSA | 76 | | BMW 3.0 CSL | 28 | 314 Laps | Electrics |
| DNF | — | Gr.62000 | 28 | | Lola T294 | 27 | 315 Laps | Fuel pump |
| DNF | — | Gr.62000 | 22 | | Chevron B31 | 21 | 321 Laps | Gearbox |
| DNF | — | Gr.62000 | 30 | | Lola T296 | 19 | 323 Laps | Engine |
| DNF | — | Gr.5 | 38 | | Porsche 935 | 15 | 327 Laps | Engine |
| DNF | — | Gr.5 | 42 | | Porsche 935 K2 | 15 | 327 Laps | Turbo |
| DNF | — | Gr.63000 | 16 | | Renault Alpine A442 | 0 | 342 Laps | Fire |