PORSCHE RACING HISTORYInternational Championship for Makes
1968
4 February 1968 - Daytona 24 Hours
23 March 1968 - Sebring 12 Hours
25 April 1968 - Monza 1000 km
5 May 1968 - Targa Florio
19 May 1968 - Nürburgring 1000 km
26 May 1968 - Spa 1000 km
14 July 1968 - Watkins Glen 6 Hours
25 August 1968 - Zeltweg 1000 km
29 September 1968 - Le Mans 24 Hours
1969
2 February 1969 - Daytona 24 Hours
22 March 1969 - Sebring 12 Hours
13 April 1969 - Brands Hatch 6 Hours
25 April 1969 - Monza 1000 km
4 May 1969 - Targa Florio
11 May 1969 - Spa 1000 km
1 June 1969 - Nürburgring 1000 km
15 June 1969 - Le Mans 24 Hours
10 August 1969 - Zeltweg 1000 km
1970
1 February 1970 - Daytona 24 Hours
21 March 1970 - Sebring 12 Hours
12 April 1970 - Brands Hatch 1000 km
25 April 1970 - Monza 1000 km
3 May 1970 - Targa Florio
17 May 1970 - Spa 1000 km
31 May 1970 - Nürburgring 1000 km
16 June 1970 - Le Mans 24 Hours
11 July 1970 - Watkins Glen 6 Hours
11 October 1970 - Zeltweg 1000 km
1971
10 January 1971 - Buenos Aires 1000 km
31 January 1971 - Daytona 24 Hours
20 March 1971 - Sebring 12 Hours
4 April 1971 - Brands Hatch 1000 km
25 April 1971 - Monza 1000 km
9 May 1971 - Spa 1000 km
16 May 1971 - Targa Florio
30 May 1971 - Nürburgring 1000 km
13 June 1971 - Le Mans 24 Hours
24 July 1971 - Watkins Glen 6 Hours