PORSCHE RACING HISTORYJürgen Lässig (D)
1980 : Silverstone 6 Hours - 3rd in class : Vallelunga 6 Hours - 2nd in class
16 March 1980 - Brands Hatch 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D)/Gerhard Holup (D) | Weralit Elora Racing Team (D) | DNF | 7th | 72 laps - Engine |
11 May 1980 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D)/Gerhard Holup (D) | Weralit Elora Team (D) | 6th | 3rd | 11th | 225 laps |
25 May 1980 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D)/Gerhard Holup (D) | Weralit Elora Team (D) | 11th | 8th | 7th | 40 laps |
7 September 1980 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D) | Weralit-Elora Team (D) | 4th | 2nd | 14th | 263 laps |
28 September 1980 - Dijon 1000 Kilometres - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 935 K3 | 009 0003 | Gr.5+2.0 | Edgar Dören (D)/Jürgen Lässig (D)/Gerhard Holup (D) | Weralit Racing Team (D) | 13th | 5th | 4th | 155 laps - Accident Damage |