PORSCHE RACING HISTORYPorsche 935/77A - Chassis No. 930 890 0011
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 99 | Porsche 935/77A | 930 890 0011 | GTX | Rolf Stommelen (D)/Toine Hezemans (NL)/Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 4th | 680 laps |
19 March 1978 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB)/Klaus Ludwig (D)/Toine Hezemans (NL) | Gelo Racing Team (D) | 9th | 9th | 1st | 157 laps |
22 April 1978 - Dijon 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935/77A | 930 890 0011 | Gr.5 | Toine Hezemans (NL)/Hans Heyer (D)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 2nd | 2nd | 3rd | 166 laps |
14 May 1978 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935/77A | 930 890 0011 | Gr.5 | Toine Hezemans (NL)/Hans Heyer (D)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 16th | 10th | 5th | 178 laps - Oil Leak |
28 May 1978 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935/77A | 930 890 0011 | Gr.5+2.0 | John Fitzpatrick (GB)/Hans Heyer (D)/Toine Hezemans (NL) | Weisberg-Gelo-Team (D) | DNF | 4th | 7 laps - DNF |
11 June 1978 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 47 | Porsche 935/77A | 930 890 0011 | Gr5+2.0 | John Fitzpatrick (GB)/Toine Hezemans (NL) | Weisberg Gelo Team (D) | DNF | 11th | 19 laps - Piston |
25 June 1978 - Misano 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB)/Hans Heyer (D) | Gelo Racing Team (D) | DNF | 3rd | 58 laps - Out of Fuel |
8 July 1978 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 935/77A | 930 890 0011 | Gr.5 | Toine Hezemans (NL)/John Fitzpatrick (GB)/Peter Gregg (USA) | Gelo Racing Team (D) | 1st | 1st | 2nd | 146 laps |
3 September 1978 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935/77A | 930 890 0011 | Gr.5 | Toine Hezemans (NL)/Hans Heyer (D)/John Fitzpatrick (GB) | Gelo Racing Team (D) | 2nd | 2nd | 3rd | 267 laps |
17 September 1978 - Norisring Trophäe - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | Weisberg-Gelo-Team (D) | 4th | 4th | 6th | 60 laps |
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935/77A | 930 890 0011 | GTX | Manfred Schurti (FL)/John Fitzpatrick (GB)/Bob Wollek (F) | Gelo Racing Team (D) | 50th | 12th | 2nd | 135 laps - Valves |
11 March 1979 - DRM Zolder Bergischer Löwe - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear International (D) | 9th | 9th | 3rd | 23 laps |
18 March 1979 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB)/Manfred Schurti (FL)/Bob Wollek (F) | Gelo Racing Team (D) | 1st | 1st | 5th | 138 laps |
8 April 1979 - DRM Hockenheim Jim Clark - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 2nd | 2nd | 2nd | 20 laps |
29 April 1979 - DRM Nürburgring Eifelrennen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 4th | 4th | 4th | 7 laps |
6 May 1979 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB)/Hans Heyer (D)/Bob Wollek (F) | Gelo Sportswear Team (D) | 1st | 1st | 2nd | 229 laps |
20 May 1979 - DRM Salzburgring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 4th | 4th | 4th | 24 laps |
3 June 1979 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935/77A | 930 890 0011 | Gr.5 | Brian Redman (GB)/Henri Pescarolo (F) | Gelo Racing Team (D) | 3rd | 3rd | 4th | 43 laps |
10 June 1979 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 37 | Porsche 935/77A | 930 890 0011 | Gr.5+2.0 | John Fitzpatrick (GB)/Jean-Louis Lafosse (F)/Harald Grohs (D) | Gelo Sportswear International (D) | DNF | 11th | 196 laps - Engine |
17 June 1979 - DRM Mainz-Finthen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 4th | 4th | 4th | 50 laps |
24 June 1979 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 2nd | 2nd | 5th | 44 laps |
1 July 1979 - DRM Zandvoort - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 3rd | 3rd | 4th | 25 laps |
22 July 1979 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | DNF | 3rd | 5 laps |
19 August 1979 - DRM Zolder Westfalen-Pokal - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | John Fitzpatrick (GB) | GELO Sportswear Team (D) | 3rd | 3rd | 5th | 24 laps |
2 September 1979 - DRM Hockenheim Hessen Cup - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | Franz Gschwender (D) | FG Werbe-Racing GmbH (D) | 9th | 8th | 8th | 36 laps |
23 September 1979 - DRM Nürburgring Supersprint - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | Franz Gschwender (D) | FG Racing GmbH Franz Gschwender (D) | 9th | 8th | 8th | 41 laps |
14 October 1979 - Saison Abschluss Rennen Zolder - Benelux Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 935/77A | 930 890 0011 | Gr.5 | Franz Gschwender (D) | Franz Gschwender (D) | 2nd |
24 May 1981 - Nürburgring 1000 Km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 935/77A | 930 890 0011 | Gr.5 | Franz Gschwender (D)/Wolf-Dieter Feuerlein (D) | Valvoline Deutschland (D) | DNF | 34th | 8 laps |