Jim Clark won the Belgian Grand Prix 1965 at Circuit de Spa-Francorchamps on 13 June 1965, starting from P2 on the grid. Jackie Stewart finished second for BRM, with Bruce McLaren completing the podium for Cooper-Climax.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 2 | Jim ClarkCLA | Lotus-Climax | 32 | 2:23:34.8 | 9 | |
| 2 | 3 | Jackie StewartSTE | BRM | 32 | +44.8 | 6 | |
| 3 | 9 | Bruce McLarenMCL | Cooper-Climax | 31 | +1 Lap | 4 | |
| 4 | 10 | Jack BrabhamBRA | Brabham-Climax | 31 | +1 Lap | 3 | |
| 5 | 1 | Graham HillHIL | BRM | 31 | +1 Lap | 2 | |
| 6 | 4 | Richie GintherGIN | Honda | 31 | +1 Lap | 1 | |
| 7 | 12 | Mike SpenceSPE | Lotus-Climax | 31 | +1 Lap | 0 | |
| 8 | 8 | Jo SiffertSIF | Brabham-BRM | 31 | +1 Lap | 0 | |
| 9 | 15 | Lorenzo BandiniBAN | Ferrari | 30 | +2 Laps | 0 | |
| 10 | 5 | Dan GurneyGUR | Brabham-Climax | 30 | +2 Laps | 0 | |
| 11 | 14 | Jochen RindtRIN | Cooper-Climax | 29 | +3 Laps | 0 | |
| 12 | 17 | Lucien BianchiBIA | BRM | 29 | +3 Laps | 0 | |
| 13 | 16 | Innes IrelandIRE | Lotus-BRM | 27 | +5 Laps | 0 | |
| 14 | 13 | Richard AttwoodATT | Lotus-BRM | 26 | Accident | 0 | |
| R | 20 | Masten GregoryGRE | BRM | 12 | Fuel pump | 0 | |
| R | 7 | Jo BonnierBON | Brabham-Climax | 9 | Ignition | 0 | |
| R | 11 | Ronnie BucknumBUC | Honda | 9 | Gearbox | 0 | |
| R | 6 | John SurteesSUR | Ferrari | 5 | Engine | 0 | |
| R | 19 | Frank GardnerGAR | Brabham-BRM | 3 | Ignition | 0 |