Sunday 3rd May 1987
Nigel Mansell driving a Williams FW11B won the San Marino Grand Prix at Imola. It was Mansell’s eighth Grand Prix victory, his first (of two) at the Imola circuit. Mansell finished 27 seconds ahead of Brazilian driver Ayrton Senna driving a Lotus 99T. Third was Italian driver Michele Alboreto driving a Ferrari F1/87. The win gave Mansell a one point lead in the championship over French McLaren driver Alain Prost.