PORSCHE RACING HISTORYBob Hagestad (USA)
1978 : Sebring 12 Hours - 2nd overall
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA)/Doc Bundy (USA) | Bob Hagestad (USA) | 40th | 16th | 60th | 400 laps - Clutch |
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Bob Hagestad (USA)/Hurley Haywood (USA) | Bob Hagestad (USA) | 2nd | 2nd | 3rd | 240 laps |
2 April 1978 - Talladega 6 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935 | 930 770 0957 | GTX | Hurley Haywood (USA)/Bob Hagestad (USA) | Bob Hagestad (USA) | 26th | 11th | 2nd | 124 laps - Electrics |