1991 Monaco Grand Prix

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1991 Monaco Grand Prix
Race 4 of 16 in the 1991 Formula One World Championship
Race details
Date	12 May 1991
Official name	XLIX Grand Prix Automobile de Monaco
Location	Circuit de Monaco, Monte Carlo
Course	Street circuit
Course length	3.328 km (2.068 miles)
Distance	78 laps, 259.584 km (161.298 miles)
Weather	Cloudy, mild, dry
Pole position
Driver	Ayrton Senna	McLaren-Honda
Time	1:20.344
Fastest lap
Driver	Alain Prost	Ferrari
Time	1:24.368 on lap 77
Podium
First	Ayrton Senna	McLaren-Honda
Second	Nigel Mansell	Williams-Renault
Third	Jean Alesi	Ferrari
Lap leaders

The 1991 Monaco Grand Prix was a Formula One motor race held at Monaco on 12 May 1991. It was the fourth race of the 1991 Formula One World Championship.

The 78-lap race was won from pole position by Brazilian driver Ayrton Senna, driving a McLaren-Honda. It was Senna's fourth victory from the first four races of the season, and his fourth Monaco win. Englishman Nigel Mansell finished second in a Williams-Renault, with Frenchman Jean Alesi third in a Ferrari.