PORSCHE RACING HISTORYHans-Dieter Blatzheim (D)
1969 : Monza 1000 km - 3rd in class : Spa 1000 km - 3rd in class
25 April 1969 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 68 | Porsche 911 T | 13497 | GT+1.6 | Hans-Dieter Blatzheim (D)/Werner Zanders (D) | Hans-Dieter Blatzheim (D) | 13th | 3rd | 40th | 78 laps |
11 May 1969 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 911 T | 13497 | GT2.0 | Hans-Dieter Blatzheim (D)/Werner Zanders (D) | Hans-Dieter Blatzheim (D) | 25th | 3rd | 13th | 41 laps |
1 June 1969 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 102 | Porsche 911 T | 13497 | GT2.0 | Hans-Dieter Blatzheim (D)/Malte Huth (D) | Hans-Dieter Blatzheim (D) | 22nd | 4th | 44th | 36 laps |
13 July 1969 - Solituderennen Hockenheim - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 910 | 910-018a | S2.0 | Hans-Dieter Blatzheim (D) | Hans-Dieter Blatzheim (D) | 4th | 25th |
10 August 1969 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 910 | 910-018a | S2.0 | Hans-Dieter Blatzheim (D)/Ferfried von Hohenzollern (D) | Blatzheim (D) | 14th | 6th | 20th | 148 laps |