United States GP
Riccardo Patrese, Arrows A3 Ford, leads at the start as Gilles Villeneuve, Ferrari 126CK, runs wide. Behind, is Carlos Reutemann, Williams FW07C Ford, who leads Alan Jones, Williams FW07C Ford, Nelson Piquet, Brabham BT49C Ford, Eddie Cheever, Tyrrell 010 Ford, Didier Pironi, Ferrari 126CK, and Mario Andretti, Alfa Romeo 179C.