PORSCHE RACING HISTORYChassis No. K4-01
25 April 1982 - 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) | John Fitzpatrick Racing (GB) | 34th | 9th | 4th | 118 laps - DNF |
27 June 1982 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 935 K4 | K4-01 | GTX | John Fitzpatrick (GB) | John Fitzpatrick Racing (GB) | DNF | 8th | Turbocharger |
11 July 1982 - Brainerd 200 km - 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 (GB) | 21st | 6th | 4th | 31 laps |
1 August 1982 - Portland 100 Miles - 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 (GB) | 19th | 7th | 2nd | 16 laps - DNF |
22 August 1982 - Road America 500 Miles - 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) | John Fitzpatrick Racing (GB) | 1st | 1st | 1st | 125 laps |
5 September 1982 - Mid Ohio 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) | John Fitzpatrick Racing (GB) | 1st | 1st | 2nd | 231 laps |
12 September 1982 - Road Atlanta 500 km - 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) | John Fitzpatrick Racing (GB) | 31st | 9th | 3rd | 70 laps - DNF |
17 October 1982 - Brands Hatch 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935 K4 | K4-01 | IMSA GTX | John Fitzpatrick (GB)/David Hobbs (GB)/Bob Wollek (F) | John Fitzpatrick Racing (GB) | 3rd | 11th | 202 laps |
28 November 1982 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935 K4 | K4-01 | GTP | David Hobbs (GB) | John Fitzpatrick Racing (GB) | 48th | 11th | 7th | 45 laps - DNF |
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 |
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 |
26 February 1984 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 935 K4 | K4-01 | GTP | Al Holbert (USA)/David Hobbs (GB) | John Fitzpatrick Racing (GB) | 27th | 27th | 12th | 20 laps - Collision |
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 935 K4 | K4-01 | GTP | Bob Wollek (F)/John Graham (CDN)/Hugo Gralia (USA)/Preston Henn (USA) | John Fitzpatrick Racing (GB) | 6th | 6th | 6th | 246 laps |