PORSCHE RACING HISTORYJoe Varde (USA)
1981
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 911 Carrera | GTO | Bob Gregg (USA)/Bob Young (USA)/Joe Varde (USA) | Bob Gregg Racing | 34th | 14th | 36th | 153 laps - DNF |
23 August 1981 - Road America 500 Miles - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 935 M16 | 930 990 0032 | GTX | Joe Varde (USA)/Pepe Romero (USA) | Pepe Romero (USA) | 43rd | 15th | 20th | 36 laps - Wheel |
13 September 1981 - Road Atlanta 150 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935 | 930 770 0960 | GTX | Marty Hinze (USA)/Joe Varde (USA) | Marty Hinze (USA) | 25th | 12th | 15th | 9 laps - DNF |