PORSCHE RACING HISTORYJohn Hotchkis Jr. (USA)
1988
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 962 | 962-HR5 | GTP | Jim Adams (USA)/John Hotchkis Jr. (USA)/John Hotchkis (USA) | Hotchkis Racing Inc. (USA) | 63rd | 16th | 10th | 98 laps - Accident |
19 March 1988 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 962 | 962-F01 | GTP | Jim Adams (USA)/John Hotchkis (USA)/John Hotchkis Jr. (USA) | Hotchkis Racing Inc. (USA) | 5th | 5th | 8th | 303 laps |