| Race Name: | V Gran Premio di San Marino |
| Track: | Autodromo Dino Ferrari |
| Round: | 3 of 16 |
| Race date: | Sunday, May 5th, 1985 |
| Race time: | 14.30 |
| 1st | 2nd | 3rd | |
| Driver | Elio de Angelis | Thierry Boutsen | Patrick Tambay |
| Constructor | Lotus-Renault | Arrows-BMW | Renault |
| Car | Lotus 97T | Arrows A8 | Renault RE60 |
| Engine | Renault EF15 | BMW M12/13 | Renault EF4B |
| Tyre | Goodyear | Goodyear | Goodyear |
| Time | 1:35:35.955 | 1:34:51.890 | 1:34:54.967 |
| Gap | 1 Lap | 1 Lap |
| P | No. | Driver | Qual | Race | Total | |
| 1 | 12 | Ayrton Senna Lotus-Renault | 1:27.327 0 | 1:31.549 57 | 1:27.327 57 | |
| 2 | 6 | Keke Rosberg Williams-Honda | 1:27.354 0 | 1:34.084 23 | 1:27.354 23 | |
| 3 | 11 | Elio de Angelis Lotus-Renault | 1:27.852 0 | 1:31.411 60 | 1:27.852 60 | |
| 4 | 27 | Michele Alboreto Ferrari | 1:27.871 0 | 1:30.961 29 | 1:27.871 29 | |
| 5 | 18 | Thierry Boutsen Arrows-BMW | 1:27.918 0 | 1:33.448 59 | 1:27.918 59 | |
| 6 | 2 | Alain Prost McLaren-TAG | 1:28.099 0 | 1:31.925 60 | 1:28.099 60 | |
| 7 | 5 | Nigel Mansell Williams-Honda | 1:28.202 0 | 1:33.891 58 | 1:28.202 58 | |
| 8 | 1 | Niki Lauda McLaren-TAG | 1:28.399 0 | 1:32.198 59 | 1:28.399 59 | |
| 9 | 7 | Nelson Piquet Brabham-BMW | 1:28.489 0 | 1:31.424 57 | 1:28.489 57 | |
| 10 | 17 | Gerhard Berger Arrows-BMW | 1:28.697 0 | 1:36.239 4 | 1:28.697 4 | |
| 11 | 15 | Patrick Tambay Renault | 1:29.102 0 | 1:33.514 59 | 1:29.102 59 | |
| 12 | 23 | Eddie Cheever Alfa Romeo | 1:29.259 0 | 1:34.128 50 | 1:29.259 50 | |
| 13 | 25 | Andrea de Cesaris Ligier-Renault | 1:29.406 0 | 1:35.856 11 | 1:29.406 11 | |
| 14 | 16 | Derek Warwick Renault | 1:29.466 0 | 1:33.702 56 | 1:29.466 56 | |
| 15 | 28 | Stefan Johansson Ferrari | 1:29.806 0 | 1:31.017 57 | 1:29.806 57 | |
| 16 | 26 | Jacques Laffite Ligier-Renault | 1:30.982 0 | 1:35.245 22 | 1:30.982 22 | |
| 17 | 30 | Jonathan Palmer Zakspeed | 1:31.028 0 | 1:31.028 0 | ||
| 18 | 22 | Riccardo Patrese Alfa Romeo | 1:31.108 0 | 1:36.422 4 | 1:31.108 4 | |
| 19 | 29 | Pierluigi Martini Minardi-Motori Moderni | 1:32.770 0 | 1:38.203 14 | 1:32.770 14 | |
| 20 | 8 | François Hesnault Brabham-BMW | 1:33.142 0 | 1:38.906 5 | 1:33.142 5 | |
| 21 | 10 | Philippe Alliot RAM-Hart | 1:34.201 0 | 1:35.013 24 | 1:34.201 24 | |
| 22 | 24 | Piercarlo Ghinzani Osella-Alfa Romeo | 1:34.209 0 | 1:36.858 46 | 1:34.209 46 | |
| 23 | 9 | Manfred Winkelhock RAM-Hart | 1:34.579 0 | 1:36.708 27 | 1:34.579 27 | |
| 24 | 4 | Stefan Bellof Tyrrell-Ford Cosworth | 1:35.653 0 | 1:38.437 5 | 1:35.653 5 | |
| 25 | 3 | Martin Brundle Tyrrell-Ford Cosworth | 1:36.397 0 | 1:37.887 56 | 1:36.397 56 | |
| 26 | 21 | Mauro Baldi Spirit-Hart | 1:36.922 0 | 1:39.686 9 | 1:36.922 9 |