✓ 23. 1. South African Grand Prix Midrand ✓ 21. 3. Brazilian Grand Prix Alain Prost Rio de Janeiro ✓ 4. 4. United States Grand Prix West Niki Lauda California ✓ 25. 4. San Marino Grand Prix Didier Pironi Imola ✓ 9. 5. Belgian Grand Prix Heusden-Zolder ✓ 23. 5. Monaco Grand Prix Riccardo Patrese Monte Carlo ✓ 6. 6. Detroit Grand Prix John Watson Detroit ✓ 13. 6. Canadian Grand Prix Nelson Piquet Montreal ✓ 3. 7. Dutch Grand Prix Zandvoort ✓ 18. 7. British Grand Prix Niki Lauda Kent ✓ 25. 7. French Grand Prix René Arnoux Le Castellet ✓ 8. 8. German Grand Prix Patrick Tambay Hockenheim ✓ 15. 8. Austrian Grand Prix Spielberg ✓ 29. 8. Swiss Grand Prix Keke Rosberg Dijon ✓ 12. 9. Italian Grand Prix René Arnoux Monza ✓ 25. 9. Caesars Palace Grand Prix Michele Alboreto Nevada