PORSCHE RACING HISTORY935 K3
1985
3 February 1985 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTP | Wayne Baker (USA)/Jack Newsum (USA)/Chip Mead (USA) | Personalized Autohaus (USA) | 9th | 8th | 28th | 624 laps |
23 March 1985 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 935 K3 | 930 770 0960 | GTP | Marty Hinze (USA)/Milt Minter (USA)/Art Yarosh (USA) | Marty Hinze Racing (USA) | 50th | 17th | 17th | 70 laps - Suspension |
28 April 1985 - Riverside 600 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 935 K3 | GTP | John Klug (USA)/Lou Sell (USA) | 40th | 10th | 23rd | 47 laps - DNF |
28 July 1985 - Portland 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 90 | Porsche 935 K3 | GTP | John Klug (USA) | 15th | 10th | 82 laps |