Date Race Circuit Winner Pole position
Mar 26th
Brazilian Grand Prix
Autódromo Internacional Nelson Piquet
#27 Nigel Mansell
Ayrton Senna
Apr 23rd
San Marino Grand Prix
Autodromo Enzo e Dino Ferrari
#1 Ayrton Senna
Ayrton Senna
May 7th
Monaco Grand Prix
Circuit de Monaco
#1 Ayrton Senna
Ayrton Senna
May 28th
Mexican Grand Prix
Autódromo Hermanos Rodríguez
#1 Ayrton Senna
Ayrton Senna
Jun 4th
United States Grand Prix
Phoenix street circuit
#2 Alain Prost
Ayrton Senna
Jun 18th
Canadian Grand Prix
Circuit Gilles Villeneuve
#5 Thierry Boutsen
Alain Prost
Jul 9th
French Grand Prix
Circuit Paul Ricard
#2 Alain Prost
Alain Prost
Jul 16th
British Grand Prix
Silverstone Circuit
#2 Alain Prost
Ayrton Senna
Jul 30th
German Grand Prix
Hockenheimring
#1 Ayrton Senna
Ayrton Senna
Aug 13th
Hungarian Grand Prix
Hungaroring
#27 Nigel Mansell
Riccardo Patrese
Aug 27th
Belgian Grand Prix
Circuit de Spa-Francorchamps
#1 Ayrton Senna
Ayrton Senna
Sep 10th
Italian Grand Prix
Autodromo Nazionale di Monza
#2 Alain Prost
Ayrton Senna
Sep 24th
Portuguese Grand Prix
Autódromo do Estoril
#28 Gerhard Berger
Ayrton Senna
Oct 1st
Spanish Grand Prix
Circuito de Jerez
#1 Ayrton Senna
Ayrton Senna
Oct 22nd
Japanese Grand Prix
Suzuka Circuit
#19 Alessandro Nannini
Ayrton Senna
Nov 5th
Australian Grand Prix
Adelaide Street Circuit
#5 Thierry Boutsen
Ayrton Senna