PORSCHE RACING HISTORYJohn Hotchkis (USA)
1977
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 914/6 | GTU | Robert Kirby (USA)/John Hotchkis (USA)/Dennis Aase (USA) | Kirby Hitchcock Racing (USA) | 52nd | 12th | 38th | 47 laps - Engine |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 914/6 | GTU | Robert Kirby (USA)/John Hotchkis (USA) | Kirby-Hitchcock Racing (USA) | 24th | 9th | 32nd | 164 laps - DNF |
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 77 | Porsche 911 Carrera RSR | 911 360 0601 | IMSA | Dennis Aase (USA)/Robert Kirby (USA)/John Hotchkis (USA) | Wynn's International | 20th | 6th | 50th | 247 laps |