1977 / World Sportscar
Feb
5
XII Daytona 24 hours
Daytona International Speedway
Mar
20
II Mugello 6 hours
Autodromo Internazionale del Mugello
Apr
17
II ACF Dijon 500 kms
Circuit Dijon-Prenois
Apr
25
I Monza 500 kms
Autodromo Nazionale di Monza
May
17
II Kosset Silverstone 6 hours
Silverstone Circuit
May
29
XXIII ADAC Nürburgring 1000 kms
Nürburgring Nordschleife
Jun
2
I Vallelunga 400 kms
Autodromo Vallelunga
Jun
19
I Pergusa 500 kms
Autodromo di Pergusa
Jul
9
X Watkins Glen 6 hours
Watkins Glen International
Jul
10
I Estoril 2.5 hours
Autódromo do Estoril
Jul
24
I Paul Ricard 500 kms
Circuit Paul Ricard
Aug
20
II Mosport 6 hours
Mosport Park
Sep
4
II Imola 250 kms
Autodromo Dino Ferrari
Sep
18
II Salzburgring 300 kms
Salzburgring
Sep
25
XI B.O.A.C. 500
Brands Hatch Grand Prix Circuit
Oct
8
I Hessen Preis Hockenheim 2x3 hours
Hockenheimring
Oct
23
V Vallelunga 6 hours
Autodromo Vallelunga