PORSCHE RACING HISTORYTom Winters (USA)
1985
23 March 1985 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 79 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720006 | GTU | Elliott Forbes-Robinson (USA)/Tom Winters (USA)/Bob Bergstrom (USA) | Whitehall Motorsports (USA) | 54th | 11th | 26th | 65 laps - Brakes |
25 August 1985 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 79 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720006 | GTU | Tom Winters (USA) | 53rd | 14th | 36th | 6 laps - DNF |
8 September 1985 - Pocono 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 79 | Porsche 924 Carrera GTR | WP0ZZZ93ZBS720006 | GTU | Tom Winters (USA)/Paul Gentilozzi (USA) | 39th | 15th | 36th | 12 laps - DNF |