Date Race Circuit Winner Pole position
Mar 11th
United States Grand Prix
Phoenix street circuit
#27 Ayrton Senna
Gerhard Berger
Mar 25th
Brazilian Grand Prix
Autódromo José Carlos Pace
#1 Alain Prost
Ayrton Senna
May 13th
San Marino Grand Prix
Autodromo Enzo e Dino Ferrari
#6 Riccardo Patrese
Ayrton Senna
May 27th
Monaco Grand Prix
Circuit de Monaco
#27 Ayrton Senna
Ayrton Senna
Jun 10th
Canadian Grand Prix
Circuit Gilles Villeneuve
#27 Ayrton Senna
Ayrton Senna
Jun 24th
Mexican Grand Prix
Autódromo Hermanos Rodríguez
#1 Alain Prost
Gerhard Berger
Jul 8th
French Grand Prix
Circuit Paul Ricard
#1 Alain Prost
Nigel Mansell
Jul 15th
British Grand Prix
Silverstone Circuit
#1 Alain Prost
Nigel Mansell
Jul 29th
German Grand Prix
Hockenheimring
#27 Ayrton Senna
Ayrton Senna
Aug 12th
Hungarian Grand Prix
Hungaroring
#5 Thierry Boutsen
Thierry Boutsen
Aug 26th
Belgian Grand Prix
Circuit de Spa-Francorchamps
#27 Ayrton Senna
Ayrton Senna
Sep 9th
Italian Grand Prix
Autodromo Nazionale di Monza
#27 Ayrton Senna
Ayrton Senna
Sep 23rd
Portuguese Grand Prix
Autódromo do Estoril
#2 Nigel Mansell
Nigel Mansell
Sep 30th
Spanish Grand Prix
Circuito de Jerez
#1 Alain Prost
Ayrton Senna
Oct 21st
Japanese Grand Prix
Suzuka Circuit
#20 Nelson Piquet
Ayrton Senna
Nov 4th
Australian Grand Prix
Adelaide Street Circuit
#20 Nelson Piquet
Ayrton Senna