PORSCHE RACING HISTORYBobby Rahal (USA)
1980 : Riverside 5 Hours - 2nd overall : Sears Point 100 Miles - 2nd overall : Road America 500 Miles - 3rd overall
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 05 | Porsche 935 K3 | 930 770 0911 | GTX | Bob Akin (USA)/Roy Woods (USA)/Bobby Rahal (USA) | Racing Associates (USA) | 54th | 19th | 19th | 156 laps - Engine |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bob Garretson (USA)/Bobby Rahal (USA)/Kees Nierop (CDN) | Dick Barbour Racing (USA) | 7th | 6th | 6th | 227 laps |
27 April 1980 - Riverside 5 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bobby Rahal (USA)/Bob Garretson (USA) | Dick Barbour Racing (USA) | 2nd | 2nd | 4th | 162 laps |
15 June 1980 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935 K3 | 009 00030 | IMSA | Bobby Rahal (USA)/Allan Moffat (AUS)/Bob Garretson (USA) | Dick Barbour (USA) | DNF | 14th | 134 laps - Piston |
5 July 1980 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 935 K3 | 009 00030 | Gr.5 | Bobby Rahal (USA)/Jürgen Barth (D)/Bob Garretson (USA) | Dick Barbour Racing (USA) | 38th | 1st | 6 laps - Engine |
27 July 1980 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bobby Rahal (USA) | Dick Barbour Racing (USA) | 2nd | 2nd | 3rd | 40 laps |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bobby Rahal (USA)/Bob Garretson (USA) | Dick Barbour Racing/Apple Computers (USA) | 25th | 14th | 2nd | 98 laps - Spin |
31 August 1980 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bobby Rahal (USA)/Bob Garretson (USA) | Dick Barbour Racing (USA) | 3rd | 3rd | 1st | 122 laps |