PORSCHE RACING HISTORY935/77A
1981
24 May 1981 - Nürburgring 1000 Km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935/77A | 930 890 0015 | Gr.5 | Claude Haldi (CH)/Charles Mendez (USA) | Claude Haldi (CH) | 12th | 8th | 17th | 16 laps |
| 21 | Porsche 935/77A | 930 890 0011 | Gr.5 | Franz Gschwender (D)/Wolf-Dieter Feuerlein (D) | Valvoline Deutschland (D) | DNF | 34th | 8 laps |
14 June 1981 - Le Mans 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 935/77A | 930 890 0015 | Gr.5 | Claude Haldi (CH)/Hervé Poulain (F)/Mark Thatcher (GB) | Claude Haldi (CH) | DNF | 32nd | 260 laps - Accident |