1991 race results

16 of 16 rounds completed. Standings

Rd	Race	Date	Circuit	Pole	Winner	Second	Third
1	United States Grand Prix	10 Mar 1991	Phoenix street circuit	Ayrton Senna	Ayrton Senna	Alain Prost	Nelson Piquet
2	Brazilian Grand Prix	24 Mar 1991	Autódromo José Carlos Pace	Ayrton Senna	Ayrton Senna	Riccardo Patrese	Gerhard Berger
3	San Marino Grand Prix	28 Apr 1991	Autodromo Enzo e Dino Ferrari	Ayrton Senna	Ayrton Senna	Gerhard Berger	Jyrki Järvilehto
4	Monaco Grand Prix	12 May 1991	Circuit de Monaco	Ayrton Senna	Ayrton Senna	Nigel Mansell	Jean Alesi
5	Canadian Grand Prix	2 Jun 1991	Circuit Gilles Villeneuve	Riccardo Patrese	Nelson Piquet	Stefano Modena	Riccardo Patrese
6	Mexican Grand Prix	16 Jun 1991	Autódromo Hermanos Rodríguez	Riccardo Patrese	Riccardo Patrese	Nigel Mansell	Ayrton Senna
7	French Grand Prix	7 Jul 1991	Circuit de Nevers Magny-Cours	Riccardo Patrese	Nigel Mansell	Alain Prost	Ayrton Senna
8	British Grand Prix	14 Jul 1991	Silverstone Circuit	Nigel Mansell	Nigel Mansell	Gerhard Berger	Alain Prost
9	German Grand Prix	28 Jul 1991	Hockenheimring	Nigel Mansell	Nigel Mansell	Riccardo Patrese	Jean Alesi
10	Hungarian Grand Prix	11 Aug 1991	Hungaroring	Ayrton Senna	Ayrton Senna	Nigel Mansell	Riccardo Patrese
11	Belgian Grand Prix	25 Aug 1991	Circuit de Spa-Francorchamps	Ayrton Senna	Ayrton Senna	Gerhard Berger	Nelson Piquet
12	Italian Grand Prix	8 Sept 1991	Autodromo Nazionale di Monza	Ayrton Senna	Nigel Mansell	Ayrton Senna	Alain Prost
13	Portuguese Grand Prix	22 Sept 1991	Autódromo do Estoril	Riccardo Patrese	Riccardo Patrese	Ayrton Senna	Jean Alesi
14	Spanish Grand Prix	29 Sept 1991	Circuit de Barcelona-Catalunya	Gerhard Berger	Nigel Mansell	Alain Prost	Riccardo Patrese
15	Japanese Grand Prix	20 Oct 1991	Suzuka Circuit	Gerhard Berger	Gerhard Berger	Ayrton Senna	Riccardo Patrese
16	Australian Grand Prix	3 Nov 1991	Adelaide Street Circuit	Ayrton Senna	Ayrton Senna	Nigel Mansell	Gerhard Berger