The 1991 Formula 1 season consisted of 16 races. The season started Mar. 10th with the US Grand Prix on the Streets of Phoenix, the last F1 race on the Streets of Phoenix, and the season ended Nov. 3rd on the Adelaide Street circuit in Australia. Ayrton Senna won his third and final championship.


Here are the race results:

#	Date	Site	Cars	Winner(s)	St	Chassis / Engine	Pole	Speed	LC
1	3/10/1991	Phoenix	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	81.434	149.666	0
2	3/24/1991	Interlagos	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	76.392	187.11	0
3	4/28/1991	Imola	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	81.877	193.671	2
4	5/12/1991	Monte Carlo	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	80.344	137.785	0
5	6/2/1991	Montreal	26	Nelson Piquet	8	Benetton B191 / Ford HB5	79.837	185.52	2
6	6/16/1991	Mexico City	26	Riccardo Patrese	1	Williams FW14 / Renault RS3	76.696	197.757	2
7	7/7/1991	Magny-Cours	26	Nigel Mansell	4	Williams FW14 / Renault RS3	74.559	188.271	4
8	7/14/1991	Silverstone	26	Nigel Mansell	1	Williams FW14 / Renault RS3	80.939	211.209	0
9	7/28/1991	Hockenheimring	26	Nigel Mansell	1	Williams FW14 / Renault RS3	97.087	231.028	2
10	8/11/1991	Hungaroring	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	76.147	167.857	0
11	8/25/1991	Spa Francorchamps	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	107.811	209.883	5
12	9/8/1991	Monza	26	Nigel Mansell	2	Williams FW14 / Renault RS3	81.114	232.282	3
13	9/22/1991	Estoril	26	Riccardo Patrese	1	Williams FW14 / Renault RS3	73.001	193.626	2
14	9/29/1991	Catalunya	26	Nigel Mansell	2	Williams FW14 / Renault RS3	78.751	187.586	5
15	10/20/1991	Suzuka	26	Gerhard Berger	1	McLaren MP4-6 / Honda RA121E	94.7	202.298	4
16	11/3/1991	Adelaide	26	Ayrton Senna	1	McLaren MP4-6 / Honda RA121E	74.041	129.17	0

Final Driver points standings:

	Driver	Races	Win	Podium	Pole	Laps	Led	Points	Diff
1	Ayrton Senna	16	7	12	8	934	467	96
2	Nigel Mansell	16	5	9	2	774	296	72	-24
3	Riccardo Patrese	16	2	8	4	783	125	53	-43
4	Gerhard Berger	16	1	6	2	607	35	43	-53
5	Alain Prost	14	0	5	0	680	44	34	-62
6	Nelson Piquet	16	1	3	0	756	2	26.5	-69.5
7	Jean Alesi	16	0	3	0	724	11	21	-75
8	Stefano Modena	16	0	1	0	797	0	10	-86
9	Andrea de Cesaris	15	0	0	0	647	0	9	-87
10	Roberto Moreno	14	0	0	0	659	0	8	-88
11	Pierluigi Martini	16	0	0	0	760	0	6	-90
12	J.J. Lehto	16	0	1	0	589	0	4	-92
13	Bertrand Gachot	10	0	0	0	550	0	4	-92
13	Michael Schumacher	6	0	0	0	228	0	4	-92
15	Martin Brundle	14	0	0	0	668	0	2	-94
15	Mika Hakkinen	15	0	0	0	649	0	2	-94
15	Satoru Nakajima	16	0	0	0	638	0	2	-94
18	Aguri Suzuki	12	0	0	0	336	0	1	-95
18	Emanuele Pirro	13	0	0	0	557	0	1	-95
18	Ivan Capelli	14	0	0	0	419	0	1	-95
18	Mark Blundell	14	0	0	0	582	0	1	-95
18	Eric Bernard	13	0	0	0	378	0	1	-95
18	Julian Bailey	1	0	0	0	58	0	1	-95
24	Gianni Morbidelli	16	0	0	0	625	0	0.5	-95.5

Final Constructor standings:

Pos [2]	Constructor [2]	Pts [2]
1	McLaren-Honda	139
2	Williams-Renault	125
3	Ferrari	55.5
4	Benetton-Ford	38.5
5	Jordan-Ford	13
6	Tyrrell-Honda	12
7	Minardi-Ferrari	6
8	Dallara-Judd	5
9	Lotus-Judd	3
10	Brabham-Yamaha	3
11	Lola-Ford	2
12	Leyton House-Ilmor	1

Wins by team:
Honda Marlboro McLaren 8 wins (Ayrton Senna #1 7 wins, Gerhard Berger #2 1 win)
Canon Williams Renault 7 wins (Nigel Mansell #5 5 wins, Riccardo Patrese #6 2 wins)
Camel Benetton Ford 1 win (Nelson Pipuet #20)