43°44′4.74″N 7°25′16.8″E / 43.7346500°N 7.421333°E
| 1985 Monaco Grand Prix | |||
|---|---|---|---|
| Race 4 of 16 in the 1985 Formula One World Championship | |||
 | |||
| Race details | |||
| Date | 19 May 1985 | ||
| Official name | 41e Grand Prix de Monaco | ||
| Location | Circuit de Monaco, Monte Carlo, Monaco | ||
| Course | Street circuit | ||
| Course length | 3.312 km (2.057 miles) | ||
| Distance | 78 laps, 258.336 km (160.446 miles) | ||
| Weather | Dry | ||
| Pole position | |||
| Driver | Lotus-Renault | ||
| Time | 1:20.450 | ||
| Fastest lap | |||
| Driver |
 Michele Alboreto | Ferrari | |
| Time | 1:22.637 on lap 60 (lap record) | ||
| Podium | |||
| First | McLaren-TAG | ||
| Second | Ferrari | ||
| Third | Lotus-Renault | ||
|
Lap leaders | |||
The 1985 Monaco Grand Prix was a Formula One motor race held at Monaco on 19 May 1985. It was the fourth race of the 1985 Formula One World Championship.
The 78-lap race was won by Alain Prost, driving a McLaren-TAG. Ayrton Senna took pole position in his Lotus-Renault and led until he suffered an engine failure on lap 14. Michele Alboreto finished second in a Ferrari, with Elio de Angelis third in the other Lotus-Renault.
After the race, de Angelis led the Drivers' Championship by two points from Prost and Alboreto.