1981 Season

15 rounds. Piquet won the title by 1 point over Reutemann; Williams won the constructors' championship by 34.

1981 race calendar with winners
Rd	Grand Prix	Date	Winner	Team	Laps	Time
1	United States Grand Prix West	15 Mar	Alan Jones	Williams	80	1:50:41.33
2	Brazilian Grand Prix	29 Mar	Carlos Reutemann	Williams	62	2:00:23.66
3	Argentine Grand Prix	12 Apr	Nelson Piquet	Brabham	53	1:34:32.74
4	San Marino Grand Prix	3 May	Nelson Piquet	Brabham	60	1:51:23.97
5	Belgian Grand Prix	17 May	Carlos Reutemann	Williams	54	1:16:31.61
6	Monaco Grand Prix	31 May	Gilles Villeneuve	Ferrari	76	1:54:23.38
7	Spanish Grand Prix	21 Jun	Gilles Villeneuve	Ferrari	80	1:46:35.01
8	French Grand Prix	5 Jul	Alain Prost	Renault	80	1:35:48.13
9	British Grand Prix	18 Jul	John Watson	McLaren	68	1:26:54.80
10	German Grand Prix	2 Aug	Nelson Piquet	Brabham	45	1:25:55.60
11	Austrian Grand Prix	16 Aug	Jacques Laffite	Ligier	53	1:27:36.47
12	Dutch Grand Prix	30 Aug	Alain Prost	Renault	72	1:40:22.43
13	Italian Grand Prix	13 Sep	Alain Prost	Renault	52	1:26:36.897
14	Canadian Grand Prix	27 Sep	Jacques Laffite	Ligier	63	2:01:25.20
15	Caesars Palace Grand Prix	17 Oct	Alan Jones	Williams	75	1:44:09.077

1981 drivers' championship standings
Pos	Driver	Nationality	Team	Pts	Gap
1	Nelson Piquet	Brazilian	Brabham	50
2	Carlos Reutemann	Argentine	Williams	49	−1
3	Alan Jones	Australian	Williams	46	−4
4	Jacques Laffite	French	Ligier	44	−6
5	Alain Prost	French	Renault	43	−7
6	John Watson	British	McLaren	27	−23
7	Gilles Villeneuve	Canadian	Ferrari	25	−25
8	Elio de Angelis	Italian	Team Lotus	14	−36
9	René Arnoux	French	Renault	11	−39
10	Hector Rebaque	Mexican	Brabham	11	−39
11	Riccardo Patrese	Italian	Arrows	10	−40
12	Eddie Cheever	American	Tyrrell	10	−40
13	Didier Pironi	French	Ferrari	9	−41
14	Nigel Mansell	British	Team Lotus	8	−42
15	Bruno Giacomelli	Italian	Alfa Romeo	7	−43
16	Marc Surer	Swiss	Theodore	4	−46
17	Mario Andretti	American	Alfa Romeo	3	−47
18	Andrea de Cesaris	Italian	McLaren	1	−49
19	Patrick Tambay	French	Ligier	1	−49
20	Slim Borgudd	Swedish	ATS	1	−49
21	Eliseo Salazar	Chilean	Ensign	1	−49
22	Jean-Pierre Jarier	French	Osella	0	−50
23	Derek Daly	Irish	March	0	−50
24	Siegfried Stohr	Italian	Arrows	0	−50
25	Chico Serra	Brazilian	Fittipaldi	0	−50
26	Keke Rosberg	Finnish	Fittipaldi	0	−50
27	Michele Alboreto	Italian	Tyrrell	0	−50
28	Brian Henton	British	Toleman	0	−50
29	Jan Lammers	Dutch	ATS	0	−50
30	Ricardo Zunino	Argentine	Tyrrell	0	−50
31	Piercarlo Ghinzani	Italian	Osella	0	−50
32	Jean-Pierre Jabouille	French	Ligier	0	−50
33	Derek Warwick	British	Toleman	0	−50
34	Beppe Gabbiani	Italian	Osella	0	−50
35	Miguel Ángel Guerra	Argentine	Osella	0	−50
36	Kevin Cogan	American	Tyrrell	0	−50
37	Jacques Villeneuve Sr.	Canadian	Arrows	0	−50
38	Giorgio Francia	Italian	Osella	0	−50
39	Ricardo Londoño	Colombian	Ensign	0	−50