USA-West GP
Keke Rosberg, Williams FW08C Ford, leads Jacques Laffite, Williams FW08C Ford, Michele Alboreto, Tyrrell 011 Ford, René Arnoux, Ferrari 126C2B, Danny Sullivan, Tyrrell 011 Ford, Riccardo Patrese, Brabham BT52 BMW, Alain Prost, Renault RE40, Eddie Cheever, Renault RE30C, Derek Warwick, Toleman TG183B Hart, Elio de Angelis, Lotus 93T Renault, at the start.