PORSCHE RACING HISTORYRandolph Townsend (USA)
1979 : Watkins Glen 6 Hours - 3rd in class
10 June 1979 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 74 | Porsche 935 | 930 770 0905 | IMSA+2.5 | Randolph Townsend (USA)/Raymond Touroul (F)/Jean-Pierre Jarier (F) | John Fitzpatrick Racing (GB) | DNF | 21st | 65 laps - Engine |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 935 | 930 770 0905 | Gr.5 | Elliott Forbes-Robinson (USA)/Randolph Townsend (USA)/Brett Lunger (USA) | Andial Porsche Service (USA) | 4th | 3rd | 4th | 169 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA) | Andial (USA) | 27th | 15th | 15th | 13 laps - DNF |
5 August 1979 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA) | Andial (USA) | 9th | 9th | 9th | 49 laps |
23 September 1979 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 13 | Porsche 935 | 930 770 0905 | GTX | Randolph Townsend (USA) | Andial (USA) | 35th | 18th | 12th | 8 laps - DNF |