San Marino GP: Gilles Villeneuve, Ferrari 126C2, leads Didier Pironi, Ferrari 126C2, Michele Alboreto, Tyrrell 011 Ford, Bruno Giacomelli, Alfa Romeo 182, Andrea de Cesaris, Alfa Romeo 182, Teo Fabi, Toleman TG181C Hart, Jean-Pierre Jarier, Osella FA1C Ford, Eliseo Salazar, ATS D5 Ford, and Manfred Winkelhock, ATS D5 Ford.
Gilles Villeneuve, Ferrari 126C2, leads Didier Pironi, Ferrari 126C2, Michele Alboreto, Tyrrell 011 Ford, Bruno Giacomelli, Alfa Romeo 182, Andrea de Cesaris, Alfa Romeo 182, Teo Fabi, Toleman TG181C Hart, Jean-Pierre Jarier, Osella FA1C Ford, Eliseo Salazar, ATS D5 Ford, and Manfred Winkelhock, ATS D5 Ford.