| 1988 · ADAC 1000 km Nürburgring | retired | 183 | C2 | Walter Maurer | Walter Maurer · Helmut Gall · Edgar Dören | Maurer Lotec C87 BMW Tur | — | 80 | WSPR historical record |
| 1988 · 1000 km Spa | entry_only | 183 | C2 | Walter Maurer | Walter Maurer · Helmut Gall · Edgar Dören | Maurer Lotec BMW | — | | WSPR historical record |
| 1985 · Duschfrish ADAC 1000 Kilometres, Hockenheim | 11 | 151 | B | Helmut Gall | Edgar Dören · Helmut Gall · Uwe Reich | BMW M1 | — | 125 | WSPR historical record |
| 1985 · 1000 km Brands Hatch | 11 | 151 | 1. B | Helmut Gall | Helmut Gall · Edgar Dören · Gerry Amato | BMW M1 | — | 191 | WSPR historical record |
| 1984 · Trofeo Filippo Caracciolo, Monza | retired | 102 | B | Racing Team Jürgensen | Edgar Dören · Heinz-Christian Jürgensen / · Walter Mertes | BMW M1 | — | 93 | WSPR historical record |
| 1984 · Grand Prix International 1000 Kilometres, Silverstone | 19 | 102 | 1. B | Racing Team Jürgensen GmbH | Edgar Dören · Heinz-Christian Jürgensen / · Walter Mertes | BMW M1 | — | 170 | WSPR historical record |
| 1984 · ADAC 1000 Kilometres, Nürburgring | source_section_other_starters | 102 | B | Racing Team Jürgensen GmbH | Edgar Dören · Heinz-Christian Jürgensen / · Fritzsche | BMW M1 | — | | WSPR historical record |
| 1984 · British Aerospace 1000 Kilometres, Brands Hatch | retired | 107 | B | Raymond Boutinaud | Raymond Boutinaud · Gerard Brucelle · Edgar Dören | Porsche 928S | — | | WSPR historical record |
| 1984 · Rothmans Spa 1000 Kilometres, Spa | 13 | 106 | 2. B | Helmut Gall | Edgar Dören · Helmut Gall | BMW M1 | — | 119 | WSPR historical record |
| 1983 · Trofeo Filippo Caracciolo, Monza | 10 | 88 | 1. B | Racing Team Jürgrnesen GmbH | Edgar Dören · Heinz-Christian Jürgensen / | BMW M1 | — | 145 | WSPR historical record |
| 1983 · Grand Prix International 1000 Kilometres, Silverstone | 11 | 88 | 2. B | Racing Team Jürgensen GmbH | Heinz-Christian Jürgensen / · Edgar Dören · Antonia Mandelli | BMW M1 | — | 169 | WSPR historical record |
| 1983 · Bitburger Pils ADAC 1000 Kilometres, Nürburgring | 7 | 106 | 1. B | Edgar Dören | Edgar Dören · Helmut Gall · Jürgen Hamelmann | Porsche 930 | — | 37 | WSPR historical record |
| 1983 · Bitburger Pils ADAC 1000 Kilometres, Nürburgring | did_not_start | 105 | B | Racing Team Jürgensen GmbH | Heinz-Christian Jürgensen / · Edgar Dören | BMW M1 | — | | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | retired | 90 | B | Racing Team Jürgensen GmbH | Heinz-Christian Jürgensen / · Helmut Gall · Edgar Dören | BMW M1 | — | 20 | WSPR historical record |
| 1983 · Castrol 1000 km Kyalami | retired | 70 | B | Racing Team Jürgensen GmbH | Heinz-Christian Jürgensen / · Edgar Dören · Helmut Gall | BMW M1 | — | 1 | WSPR historical record |
| 1982 · Trofeo Filippo Caracciolo, Monza | retired | 87 | Gr.5 | Weralit Racing | Edgar Dören · Jürgen Lässig | Porsche 935 K3 | — | 55 | WSPR historical record |
| 1982 · The Pace Petroleum 6 Hours, Silverstone | 9 | 64 | 1. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig | Porsche 935 K3 | — | 216 | WSPR historical record |
| 1982 · Rudolf Caracciola Wanderpreis 1000 Kilometres, Nürburgring | retired | 34 | Gr.5 | Weralit Racing | Edgar Dören · Jürgen Lässig · Hermann-Peter Duge | Porsche 935 K3 | — | 1 | WSPR historical record |
| 1982 · Trophee Diners Club 1000 kilometres, Spa-Francorchamps | retired | 58 | Gr.6 | "Pierre Chauvet" | Edgar Dören · "Pierre Chauvet" · Helmut Gall | TOJ SC205 BMW | — | 34 | WSPR historical record |
| 1981 · 24 hours of Spa-Francorchamps | 26 | 68 | 4. ser.T1.6 | Belgian Volkswagen Club | Edgar Dören · Anton Hueweller · Oscar Kessler | Audi 80 | — | 341 | WSPR historical record |
| 1981 · Molson 1000 Camel GT, Mosport | 4 | 09 | 4. GTX | Preston Henn | Preston Henn · Edgar Dören | Porsche 935 K3 Tur | — | 219 | WSPR historical record |
| 1981 · Pabst 500 Camel GT, Road America, Elkhart Lake | 36 | 09 | 3. GTX | Preston Henn | DNS - Preston Henn · Danny Sullivan · Edgar Dören | Porsche 935 K3 Tur | — | 50 | WSPR historical record |
| 1981 · Flying Tigers 1000, Brands Hatch | 8 | 51 | 2. GTX | Preston B. Henn | Desiré Wilson · Edgar Dören · DNS - Preston Henn · DNS - Skeeter McKitterick | Porsche 935 K3 | — | 214 | WSPR historical record |
| 1981 · Flying Tigers 1000, Brands Hatch | did_not_start | 23 | Gr.5 | Wera-Lit Racing | Jürgen Lässig · Edgar Dören | Porsche 935 K3 | — | | WSPR historical record |
| 1981 · Mugello 6 Hours | 12 | 4 | 4. Gr.5 | Wera-Lit Racing Team | Edgar Dören · Jürgen Lässig | Porsche 935 K3 | — | 152 | WSPR historical record |
| 1981 · 1000 km Monza | 1 | 3 | 1. Gr.5 | Wera-Lit Racing Team | Edgar Dören · Jürgen Lässig · Gerhard Holup | Porsche 935 K3 | — | 173 | WSPR historical record |
| 1981 · Silverstone 6 Hours | 5 | 24 | 2. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig | Porsche 935 K3 | — | 200 | WSPR historical record |
| 1981 · 1000 km Nürburgring | 5 | 19 | 3. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig | Porsche 935 K3 | — | 17 | WSPR historical record |
| 1981 · XXI. Coppa Florio, 6 ore Enna-Pergusa | 4 | - | 1. GT | Angelo Pallavicini | Edgar Dören · Angelo Pallavicini | Porsche 934 | — | 178 | WSPR historical record |
| 1980 · 6 h Vallelunga | 4 | 4 | 2. Gr.5 | Weralit - Flora Team | Edgar Dören · Jürgen Lässig · DNS - Gerhard Holup | Porsche 935 K3 | — | 263 | WSPR historical record |
| 1980 · 6 h Vallelunga | entry_only | 3 | Gr.5 | Charles Ivey Racing | Dudley Wood · John Cooper · Edgar Dören | Porsche 935 K3 | — | | WSPR historical record |
| 1980 · Dijon 1000 | 13 | 21 | 6. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig · Gerhard Holup | Porsche 935 K3 | — | 155 | WSPR historical record |
| 1980 · Brands Hatch 6 Hours | retired | 9 | Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig · Gerhard Holup | Porsche 935 K3 | — | 72 | WSPR historical record |
| 1980 · Silverstone 1000 | 6 | 22 | 3. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig · Gerhard Holup | Porsche 935 K3 | — | 226 | WSPR historical record |
| 1980 · Nürburgring 1000 Kilometres | 11 | 4 | 8. Gr.5 | Weralit Racing Team | Edgar Dören · Jürgen Lässig · Gerhard Holup | Porsche 935 K3 | — | 40 | WSPR historical record |
| 1979 · Dijon 6 Hours | 3 | 5 | 2. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 239 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 3 | 26 | 2. Gr.5 | Sekurit Racing Team | Edgar Dören · Dieter Schornstein | Porsche 935/77 | — | 217 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | 4 | 7 | 4. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören · Götz von Tschirnhaus | Porsche 935/77 | — | 43 | WSPR historical record |
| 1979 · Rivet Suply 6 hours, Brands Hatch | 4 | 24 | 2. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 218 | WSPR historical record |
| 1979 · Trofeo Ignazio Giunti, Vallelunga | 8 | 55 | 1. Gr.5 | Sekurit Racing Team | Dieter Schornstein · Edgar Dören | Porsche 935/77 | — | 235 | WSPR historical record |
| 1978 · 6 h Mugello | 12 | 27 | 2. GT | Max Moritz | Edgar Dören · Gerhard Holup | Porsche 934 | — | 154 | WSPR historical record |
| 1978 · 6 h Dijon | 16 | 38 | 7. GT | Max Moritz | Edgar Dören · Gerhard Holup | Porsche 934 | — | 119 | WSPR historical record |
| 1978 · 6 h Silverstone | retired | 23 | GT | Max Moritz | Edgar Dören · Gerhard Holup | Porsche 934 | — | 55 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 40 | 46 | 1. GT | Max Moritz | Gerhard Holup · Edgar Dören | Porsche 934 | — | 30 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 11 | 9 | 1. Gr.5 | Max Moritz | Eckhard Schimpf · Edgar Dören · Roman Feitler | Porsche Carrer | — | 40 | WSPR historical record |
| 1978 · Misano 6 Hours | 8 | 26 | 2. GT | Max Moritz | Edgar Dören · Gerhard Holup · Eckhard Schimpf | Porsche 934 | — | 239 | WSPR historical record |
| 1978 · 6 h Vallelunga | 8 | 24 | 8. Gr.5 | Max Moritz | Edgar Dören · Gerhard Holup | Porsche 934 | — | 238 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | 13 | 8 | 0. Gr.5 | Autohaus Max Moritz | Jürgen Barth · Edgar Dören · DNS - Manfred Schurti | Porsche 934/5 | — | 37 | WSPR historical record |
| 1977 · Rivet Supply 6 Hours, Brands Hatch | 2 | 7 | 2. Gr.5 | Max Moritz | Manfred Schurti · Edgar Dören | Porsche 935 | — | 101 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | 7 | 17 | 1. GT | Autohaus Max Moritz | Edgar Dören · Eckhard Schimpf · Gerhard Holup | Porsche 934 | — | 151 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | retired | 11 | Gr.5 | Autohaus Max Moritz | Harald Ertl · Jürgen Barth · Edgar Dören | Porsche 935 | — | 112 | WSPR historical record |
| 1976 · ADAC 1000 Kilometres, Nürburgring | 7 | 33 | 5. Gr.5 | Max Moritz | Eckhard Schimpf · Edgar Dören · DNS - Helmut Kelleners · DNS - Derek Bell | Porsche Carrer | — | 44 | WSPR historical record |
| 1976 · Martha 1000, Zeltweg 6 Hours, Österreichring | entry_only | 28 | GT | Jägermeister | Eckhard Schimpf · Edgar Dören | Porsche Carrera RSR | — | | WSPR historical record |
| 1975 · 1000 km Nürburgring | 16 | 68 | 6. GT+1.6 | Rallye Gemeinschaft Ulm | Eberhard Sindel · Edgar Dören | Porsche Carrera RSR | — | 38 | WSPR historical record |