PORSCHE RACING HISTORYNorbert Haug (D)
1983
29 May 1983 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 111 | Porsche 928 S | B | Helge Probst (D)/Norbert Haug (D)/Wolfgang Walter (D) | Probst & Mentel | 16th | 5th | 20th | 31 laps |
4 September 1983 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 97 | Porsche 928 S | B | Helge Probst (D)/Knuth Mentel (D)/Norbert Haug (D) | Probst & Mentel | DNF | 27th | 13 laps - Engine |