PORSCHE RACING HISTORY935/77A
1980
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935/77A | 930 890 0021 | GTX | John Paul Sr. (USA)/Al Holbert (USA) | Thunderbird Swap Shop (USA) | 2nd | 2nd | 13th | 682 laps |
16 March 1980 - Brands Hatch 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D)/Harald Grohs (D) | Vegla Racing Team Aachen (D) | 7th | 6th | 11th | 135 laps |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Peter Gregg (USA)/Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 10th | 8th | 2nd | 220 laps |
23 March 1980 - DRM Zolder Bergischer Löwe - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D) | Vegla-Racing-Team (D) | 5th | 5th | 7th | 23 laps |
13 April 1980 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Hurley Haywood (USA) | Hurley Haywood (USA) | 2nd | 2nd | 5th | 19 laps |
27 April 1980 - Riverside 5 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Bruce Leven (USA)/Hurley Haywood (USA) | Bayside Disposal (USA) | 3rd | 3rd | 6th | 161 laps |
11 May 1980 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D)/Harald Grohs (D) | Vegla Racing Team (D) | 5th | 2nd | 9th | 228 laps |
25 May 1980 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D)/Harald Grohs (D) | Vegla Racing Team (D) | 7th | 5th | 10th | 42 laps |
| 8 | Porsche 935/77A | 930 890 0015 | Gr.5 | Claude Haldi (CH)/Derek Bell (GB)/Bernard Béguin (F) | Meccarillos Racing Team (CH) | DNF | 14th | 10 laps - DNF |
1 June 1980 - DRM Spa - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 935/77A | 930 890 0020 | Gr.5 | Jürgen Barth (D) | Sportwagen (D) | DNF | 8th | 1 lap |
15 June 1980 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 49 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D)/Harald Grohs (D)/Götz von Tschirnhaus (D) | Vegla Racing Team (D) | 8th | 1st | 11th | 314 laps |
| 46 | Porsche 935/77A | 930 890 0015 | Gr.5 | Claude Haldi (CH)/Bernard Béguin (F)/Volkert Merl (D) | Meccarillos Racing (CH) | DNF | 18th | 37 laps - Crankshaft |
24 August 1980 - DRM Zolder Westfalen-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 935/77A | 930 890 0015 | Gr.5 | Claude Haldi (CH) | Meccarillos Racing-Team (CH) | 6th | 6th | 10th | 23 laps |
| 10 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D) | Vegla-Racing Team (D) | 15th | 7th | 18 laps - Accident |
7 September 1980 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935/77A | 930 890 0020 | Gr.5 | Henri Pescarolo (F)/Jürgen Barth (D) | Sportwagen (D) | 7th | 3rd | 17th | 260 laps |
28 September 1980 - Dijon 1000 Kilometres - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 935/77A | 930 890 0020 | Gr.5+2.0 | Henri Pescarolo (F)/Jürgen Barth (D) | Sportwagen (D) | 1st | 1st | 5th | 180 laps |
| 3 | Porsche 935/77A | 930 890 0015 | Gr.5+2.0 | Claude Haldi (CH)/Bernard Béguin (F) | Haldi/Meccarillos (CH) | 2nd | 2nd | 8th | 178 laps |
12 October 1980 - H. P.-Joisten-Trophy Zolder - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935/77A | 930 890 0012 | Gr.5 | Dieter Schornstein (D) | Vegla Racingteam Aachen (D) | 1st |