PORSCHE RACING HISTORY935
1980
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 | 009 00030 | GTX | Skeeter McKitterick (USA)/Bob Garretson (USA)/Anny-Charlotte Verney (F) | Dick Barbour Racing (USA) | 9th | 5th | 12th | 599 laps |
| 13 | Porsche 935 | 930 770 0905 | GTX | Elliott Forbes-Robinson (USA)/Randolph Townsend (USA)/Howard Meister (USA) | Andial Racing (USA) | 45th | 14th | 7th | 233 laps - Engine |
| 55 | Porsche 935 | 930 770 0957 | GTX | Ralph Kent-Cooke (USA)/Gérard Bleynie (F)/Claude Ballot-Léna (F) | Racing Associates (USA) | 48th | 16th | 14th | 217 laps - Ignition |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN)/Carlos Moran (ES)/Johnny Rutherford (USA) | Heimrath Racing (CDN) | 66th | 23rd | 6th | 24 laps - Engine |
16 March 1980 - Brands Hatch 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 935 | 930 770 0912 | Gr.5 | Christian Bussi (F)/Bernard Salam (F) | Christian Bussi (F) | NC | 13th | 130 laps |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN)/Johnny Rutherford (USA)/Carlos Moran (ES) | Ludwig Heimrath (CDN) | 8th | 7th | 9th | 224 laps |
| 55 | Porsche 935 | 930 770 0957 | GTX | Ralph Kent-Cooke (USA)/Lyn St. James (USA) | Condor Racing (USA) | 49th | 14th | 15th | 87 laps - Engine |
| 4 | Porsche 935 | 930 890 0024 | GTX | Buzz Marcus (USA)/Bob Harmon (USA)/Marty Hinze (USA) | Dick Barbour Racing (USA) | 60th | 16th | 16th | 52 laps - Accident |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA)/John Morton (USA)/Howard Meister (USA) | Andial Racing (USA) | 61st | 17th | 13th | 52 laps - DNF |
23 March 1980 - DRM Zolder Bergischer Löwe - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935 | 930 770 0903 | Gr.5 | “Davit” Philippe Bervoets (B) | Team Willeme (B) | 6th | 6th | 8th | 23 laps |
13 April 1980 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 935 | 930 670 0152 | GTX | Dale Whittington (USA) | Whittington Bros. Racing (USA) | 4th | 4th | 10th | 19 laps |
| 85 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bruce Leven (USA) | 25th | 14th | 13th | 16 laps - DNF |
| 7 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN) | Ludwig Heimrath (CDN) | 27th | 15th | 33rd | 15 laps |
27 April 1980 - Riverside 5 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA)/Bruce Jenner (USA) | Andial Racing (USA) | 6th | 6th | 12th | 158 laps |
4 May 1980 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 935 | 930 770 0951 | GTX | Monte Shelton (USA) | 6th | 6th | 10th | 50 laps | |
| 85 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bruce Leven (USA) | 7th | 7th | 37th | 49 laps |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA) | Andial Racing (USA) | 11th | 8th | 14th | 48 laps |
26 May 1980 - Lime Rock 1.5 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 6th | 3rd | 6th | 85 laps |
1 June 1980 - DRM Spa - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935 | 930 770 0903 | Gr.5 | “Davit” Philippe Bervoets (B) | Team Willeme (B) | 12th | 8th | 9th | 12 laps |
15 June 1980 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 89 | Porsche 935 | 930 770 0904 | IMSA | Hervé Poulain (F)/Pierre Destic (F)/Dany Snobeck (F) | Hervé Poulain (F) | 20th | 6th | 38th | 272 laps |
| 72 | Porsche 935 | 930 890 0024 | IMSA | Michael Sherwin (USA)/Robert Kirby (USA)/Bob Harmon (USA) | Dick Barbour - Wynn's International (USA) | DNF | 39th | 7 laps - Collision/Lost Wheel |
5 July 1980 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 770 0905 | Gr.5 | Harald Grohs (D)/Randolph Townsend (USA) | Andial Racing (USA) | 8th | 8th | 4th | 130 laps |
| 7 | Porsche 935 | 930 770 0958 | Gr.5 | Ludwig Heimrath, Sr (CDN)/Johnny Rutherford (USA) | Heimrath Racing (CDN) | 11th | 11th | 13th | 122 laps |
| 28 | Porsche 935 | 930 770 0960 | Gr.5 | Marty Hinze (USA)/Dale Whittington (USA) | Marty Hinze (USA) | 34th | 22nd | 18 laps - Gearbox |
3 August 1980 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 88 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 7th | 7th | 8th | 50 laps |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN)/Johnny Rutherford (USA) | Heimrath Racing (CDN) | 21st | 12th | 8th | 127 laps - Suspension |
24 August 1980 - DRM Zolder Westfalen-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935 | 930 770 0907 | Gr.5 | Klaus Böhm (D) | Valvoline Racing (D) | 9th | 9th | 9th | 23 laps |
31 August 1980 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 47th | 15th | 10th | 10 laps - DNF |
21 September 1980 - Road Atlanta 50 Miles - Heat 1 - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935 | GTX | Preston Henn (USA) | 10th | 10th | 14th | 19 laps | ||
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Jr (CDN) | Heimrath Racing (CDN) | 24th | 13th | 12th | 10 laps - DNF |
| 2 | Porsche 935 | 930 770 0960 | GTX | Marty Hinze (USA) | Marty Hinze (USA) | 26th | 14th | 23rd | 8 laps - DNF |
21 September 1980 - Road Atlanta 50 Miles - Heat 2 - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935 | 930 770 0960 | GTX | Marty Hinze (USA) | Marty Hinze (USA) | 12th | 8th | 23rd | 12 laps |
| 8 | Porsche 935 | GTX | Bruce Leven (USA) | 23rd | 12th | 22nd | 10 laps - DNF |
28 September 1980 - Dijon 1000 Kilometres - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 37 | Porsche 935 | 930 770 0912 | Gr.5+2.0 | Christian Bussi (F)/Bernard Salam (F) | Christian Bussi/Denver (F) | 10th | 4th | 18th | 166 laps |
30 November 1980 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935 | 930 770 0960 | GTX | Marty Hinze (USA)/Gary Belcher (USA) | Marty Hinze (USA) | 5th | 5th | 14th | 62 laps |
| 86 | Porsche 935 | GTX | Hurley Haywood (USA) | Bayside Disposal Racing (USA) | 19th | 7th | 7th | 56 laps - DNF | |
| 07 | Porsche 935 | 930 770 0958 | GTX | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 59th | 15th | 10th | 8 laps - DNF |