1981 Season Calendar
1981 Season
15 Rounds
January
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
February
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
March
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
United States GP West
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Brazilian GP
30
31
April
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
Argentine GP
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
May
M
T
W
T
F
S
S
1
2
3
San Marino GP
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Belgian GP
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Monaco GP
June
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Spanish GP
22
23
24
25
26
27
28
29
30
July
M
T
W
T
F
S
S
1
2
3
4
5
French GP
6
7
8
9
10
11
12
13
14
15
16
17
18
British GP
19
20
21
22
23
24
25
26
27
28
29
30
31
August
M
T
W
T
F
S
S
1
2
German GP
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Austrian GP
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dutch GP
31
September
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
Italian GP
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Canadian GP
28
29
30
October
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Caesars Palace GP
18
19
20
21
22
23
24
25
26
27
28
29
30
31
November
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
December
M
T
W
T
F
S
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31