USA-West GP
Derek Warwick, Toleman TG183B Hart, battles with Eddie Cheever, Renault RE30C, at the start. They lead Elio de Angelis, Lotus 93T Renault, Jean-Pierre Jarier, Ligier JS21 Ford, Alan Jones, Arrows A6 Ford, Marc Surer, Arrows A6 Ford, Nigel Mansell, Lotus 92 Ford, Mauro Baldi, Alfa Romeo 183T, Johnny Cecotto, Theodore N183 Ford,Bruno Giacomelli, Toleman TG183B Hart, Andrea de Cesaris, Alfa Romeo 183T, Roberto Guerrero, Theodore N183 Ford, eventual race winner John Watson, McLaren MP4-1C Ford, Nelson Piquet, Brabham BT52 BMW, and Niki Lauda, McLaren MP4-1C Ford.