PORSCHE RACING HISTORYJack Refenning (USA)
1987 : Sebring 12 Hours - 3rd in class
21 March 1987 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 89 | Porsche 911 Carrera RSR | GTU | Peter Uria (USA)/Larry Figaro (USA)/Kyle Rathbun (USA)/Jack Refenning (USA) | 901 Racing (USA) | 20th | 3rd | 67th | 243 laps |