John Hulen (USA)
1980
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
85 | Porsche 914/6 | GTU | John Hulen (USA)/Ron Coupland (USA) | John E. Hulen (USA) | 73rd | 22nd | 58th | 20 laps - Electrics |
31 August 1980 - Road America 500 Miles - IMSA - International Motor Sport Association
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
85 | Porsche 914/6 | GTU | Ron Coupland (USA)/John Hulen (USA) | John E. Hulen (USA) | 42nd | 15th | 43rd | 30 laps - DNF |