✓ 26. 3. Brazilian Grand Prix Rio de Janeiro ✓ 23. 4. San Marino Grand Prix Ayrton Senna Imola ✓ 7. 5. Monaco Grand Prix Monte Carlo ✓ 28. 5. Mexican Grand Prix Ayrton Senna Mexico City ✓ 4. 6. United States Grand Prix Phoenix ✓ 18. 6. Canadian Grand Prix Thierry Boutsen Montreal ✓ 9. 7. French Grand Prix Le Castellet ✓ 16. 7. British Grand Prix Alain Prost Silverstone ✓ 30. 7. German Grand Prix Hockenheim ✓ 13. 8. Hungarian Grand Prix Nigel Mansell Budapest ✓ 27. 8. Belgian Grand Prix Spa ✓ 10. 9. Italian Grand Prix Alain Prost Monza ✓ 24. 9. Portuguese Grand Prix Estoril ✓ 1. 10. Spanish Grand Prix Ayrton Senna Jerez de la Frontera ✓ 22. 10. Japanese Grand Prix Suzuka ✓ 5. 11. Australian Grand Prix Thierry Boutsen Adelaide