PORSCHE RACING HISTORYAl Holbert (USA)
1987 : Daytona 24 Hours - 1st overall : Sebring 12 Hours - 2nd overall : Road Atlanta 500 km - 2nd overall : Riverside 500 km - 2nd overall : Lime Rock 150 laps - 1st overall : Le Mans 24 Hours - 1st overall : Road America 500 Miles - 3rd overall : San Antonio 3 Hours - 1st overall : San Antonio 3 Hours - 2nd overall
1 February 1987 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Derek Bell (GB)/Al Unser, Jr. (USA)/Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 10th | 753 laps |
21 March 1987 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 2nd | 2nd | 1st | 296 laps |
12 April 1987 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 2nd | 2nd | 3rd | 124 laps |
26 April 1987 - Riverside 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 2nd | 2nd | 3rd | 122 laps |
24 May 1987 - Lime Rock 150 laps - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 5th | 150 laps |
7 June 1987 - Mid Ohio 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 4th | 4th | 2nd | 125 laps |
14 June 1987 - Le Mans 24 Hours - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-006 | C1 | Hans-Joachim Stuck (D)/Derek Bell (GB)/Al Holbert (USA) | Rothmans Porsche (D) | 1st | 1st | 2nd | 354 laps |
5 July 1987 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-HR1 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Lowenbrau Special (USA) | 18th | 5th | 2nd | 78 laps - DNF |
5 July 1987 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/Derek Bell (GB) | Lowenbrau Special (USA) | 20th | 6th | 1st | 62 laps - DNF |
16 August 1987 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-103 | GTP | Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 3rd | 3rd | 4th | 81 laps |
6 September 1987 - San Antonio 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Derek Bell (GB)/Chip Robinson (USA)/Al Holbert (USA) | Holbert Racing (USA) | 1st | 1st | 3rd | 142 laps |
6 September 1987 - San Antonio 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 962 | 962-103 | GTP | Al Holbert (USA)/A. J. Foyt (USA) | Holbert Racing (USA) | 2nd | 2nd | 6th | 141 laps |
4 October 1987 - Columbus 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 962 | 962-HR1 | GTP | Al Holbert (USA) | Holbert Racing (USA) | 5th | 5th | 6th | 79 laps |