PORSCHE RACING HISTORYBruce Leven (USA)
1988
3 July 1988 - Watkins Glen 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | GTP | Bruce Leven (USA)/Rob Dyson (USA) | Bayside-Leven Motorsport (USA) | 5th | 5th | 12th | 88 laps |
17 July 1988 - Road America 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | GTP | Bruce Leven (USA)/Rob Dyson (USA) | Bayside-Leven Motorsport (USA) | 7th | 7th | 17th | 75 laps |
31 July 1988 - Portland 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | GTP | Bruce Leven (USA) | Bayside-Leven Motorsport (USA) | 6th | 6th | 12th | 95 laps |
14 August 1988 - Sears Point 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Bruce Leven (USA)/Rob Dyson (USA) | Waste Management/Bayside (USA) | 13th | 13th | 13th | 71 laps |
2 October 1988 - Columbus 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Bruce Leven (USA) | Bayside-Leven Motorsport (USA) | 36th | 20th | 12th | 2 laps - DNF |