PORSCHE RACING HISTORYJohn Fitzpatrick (GB)
1983 : Riverside 6 Hours - 1st overall : Spa 1000 km - 3rd overall
27 February 1983 - Miami GP - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935 K4 | K4-01 | GTP | John Fitzpatrick (GB) | John Fitzpatrick Racing (GB) | 4th | 4th | 2nd | 27 laps |
10 April 1983 - Monza 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 956 | 956-102 | C | John Fitzpatrick (GB)/David Hobbs (GB) | John Fitzpatrick Racing (GB) | 5th | 5th | 6th | 161 laps |
24 April 1983 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 935 K4 | K4-01 | GTP | John Fitzpatrick (GB)/David Hobbs (GB)/Derek Bell (GB) | John Fitzpatrick (GB) | 1st | 1st | 4th | 196 laps |
8 May 1983 - Silverstone 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 956 | 956-102 | C | John Fitzpatrick (GB)/David Hobbs (GB) | John Fitzpatrick Racing (GB) | 8th | 8th | 6th | 180 laps |
29 May 1983 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 956 | 956-102 | C | John Fitzpatrick (GB)/David Hobbs (GB) | John Fitzpatrick Racing (GB) | 6th | 6th | 6th | 39 laps |
19 June 1983 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 956 | 956-102 | C | John Fitzpatrick (GB)/Guy Edwards (GB)/Rupert Keegan (GB) | John Fitzpatrick Racing (GB) | 5th | 5th | 10th | 358 laps |
19 June 1983 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 956 | 956-110 | C | John Fitzpatrick (GB)/David Hobbs (GB)/Dieter Quester (A) | John Fitzpatrick Racing (GB) | DNF | 11th | 135 laps - Fuel Pump |
4 September 1983 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 956 | 956-102 | C | John Fitzpatrick (GB)/David Hobbs (GB) | John Fitzpatrick Racing (GB) | 3rd | 3rd | 5th | 139 laps |