PORSCHE RACING HISTORYClaude Haldi (CH)
1970 : Targa Florio - 2nd in class : Spa 1000 km - 1st in class
3 May 1970 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 911 S | GT+2.0 | Claude Haldi (CH)/" Mirage" (CH) | Club Porsche Romand (CH) | 44th | 2nd | 7 laps - DNF |
17 May 1970 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 S | 911 030 1016 | GT+2.0 | Bernard Cheneviére (CH)/Claude Haldi (CH) | Bernard Cheneviére (CH) | 16th | 1st | 19th | 55 laps |
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 83 | Porsche 911 S | GT+2.0 | Claude Haldi (CH)/Eric Chapuis (CH) | Claude Haldi (CH) | 25th | 4th | 38th | 34 laps |
16 June 1970 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 65 | Porsche 911 S | GT2.5 | Claude Haldi (CH)/Arthur Blank (CH) | Hart Ski Racing Team (CH) | DNF | 39th | 124 laps - Gear Lever |
11 October 1970 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 911 030 1016 | GT2.5 | Claude Haldi (CH)/Bernard Cheneviére (CH) | Porsche Club Romand (CH) | DNF | 24th |