1981 Grand Prix of Canada
27 September - Montreal: 63 laps x 4.410 km = 277.830 km

 Pole Position: N Piquet Brabham 1 min:29.211s
 Fastest Lap: 145.019 km/h J Watson Mclaren 1 min:49.475s

Results:

 1   J Laffite     Ligier      2h Olm 25.205s
 2   J Watson      McLaren     2h Olm 31.438s
 3   G Villeneuve  Ferrari     2h 03m 15.480s
 4   B Giacomelli  Alfa Romeo  62
 5   N Piquet      Brabham     62
 6   E de Angelis  Lotus       62
 7   M Andretti    Alfa Romeo  62
 8   D Daly        March       61
 9   M Surer       Theodore    61
 10  C Reutemann   Williams    60
 11  M Alboreto    Tyrrell     59
 12r E Cheever     Tyrrell     56 engine

Did Not Finish:

     A de Cesaris  McLaren     51 spin
     A Prost       Renault     48 accident
     N Mansell     Lotus       45 accident
     S Borgudd     ATS         39 spin
     H Rebaque     Brabham     35 spin
     J-P Jorier    Osella      26 accident
     D Pironi      Ferrari     24 engine
     A Jones       Williams    24 handling
     E Salazar     Ensign       8 spin
     P Tambay      Ligier       6 spin
     R Patrese     Arrows       6 spin
     R Arnoux      Renault      0 accident

Did Not Qualify:

     K Rosberg     Fittipaldi
     C Serra       Fittipaldi
     B Henton      Toleman
     J Villeneuve  Arrows
     D Warwick     Toleman
     B Gabbiani    Osella

Qualifying Times:

1 5    Nelson Piquet    Brabham/Ford     1'29.211
2 2    Carlos Reutemann Williams/Ford    1'29.359
3 1    Alan Jones       Williams/Ford    1'29.728
4 15   Alain Prost      Renault          1'29.908
5 12   Nigel Mansell    Lotus/Ford       1'29.997
6 6    Hector Rebaque   Brabham/Ford     1'30.182
7 11   Elio de Angelis  Lotus/Ford       1'30.231
8 16   Rene Arnoux      Renault          1'30.232
9 7    John Watson      McLaren/Ford     1'30.566
10 26  Jacques Laffite  Ligier/Matra     1'30.705
11 27  G.Villeneuve     Ferrari          1'31.115
12 28  Didier Pironi    Ferrari          1'31.350
13 8   A.de Cesaris     McLaren/Ford     1'31.507
14 3   Eddie Cheever    Tyrrell/Ford     1'31.547
15 23  Bruno Giacomelli Alfa Romeo       1'31.600
16 22  Mario Andretti   Alfa Romeo       1'31.740
17 25  Patrick Tambay   Ligier/Matra     1'31.747
18 29  Riccardo Patrese Arrows/Ford      1'31.969
19 33  Marc Surer       Theodore/Ford    1'32.253
20 17  Derek Daly       March/Ford       1'32.305
21 9   Slim Borgudd     ATS/Ford         1'32.652
22 4   Michele Alboreto Tyrrell/Ford     1'32.709
23 32  J.P.Jarier       Osella/Ford      1'33.432
24 14  Eliseo Salazar   Ensign/Ford      1'33.848
 Not qualified 
25 20  Keke Rosberg     Fittipaldi/Ford  1'34.310
26 21  Chico Serra      Fittipaldi/Ford  1'36.546
27 35  Brian Henton     Toleman/Hart     1'36.648
28 30  J.Villeneuve     Arrows/Ford      1'36.729
29 36  Derek Warwick    Toleman/Hart     1'36.999
30 31  Beppe Gabbiani   Osella/Ford      1'37.493


Note:

 Scheduled for 70 laps, but stopped at 2 hours.