PORSCHE RACING HISTORYEdgar Dören (D)
1981 : Silverstone 6 Hours - 2nd in class : Nürburgring 1000 Km - 3rd in class : Brands Hatch 1000 km - 2nd in class
10 May 1981 - Silverstone 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D) | Wera Meissberg Team (D) | 5th | 2nd | 9th | 200 laps |
24 May 1981 - Nürburgring 1000 Km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Jürgen Lässig (D) | Weralit Racing Team (D) Closed bodywork Rear-engined | 5th | 3rd | 11th | 17 laps |
14 June 1981 - Le Mans 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 935 K3 | 009 0003 | Gr.5 | Edgar Dören (D)/Gerhard Holup (D)/Jürgen Lässig (D) | Weralit Team (D) | DNF | 13th | 48 laps - Out of Fuel |
16 August 1981 - Mosport 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTX | Preston Henn (USA)/Edgar Dören (D) | Preston Henn (USA) | 4th | 4th | 17th | 219 laps |
23 August 1981 - Road America 500 Miles - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTX | Danny Sullivan (USA)/Edgar Dören (D) | Thunderbird Swap Shop (USA) | 36th | 13th | 14th | 50 laps - Fuel Injection |
27 September 1981 - Brands Hatch 1000 km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 935 K3/80 | 000 0009 | GTX | Desiré Wilson (ZA)/Edgar Dören (D) | Preston J. Henn (USA) | 8th | 2nd | 11th | 214 laps |