| 1997 · 1997 24 Hours of Le Mans | DNF | 5 | LM-P875 | Kremer Racing | Tomás Saldaña · Carl Rosenblad · Jürgen LässigTomás Saldaña Carl Rosenblad Jürgen Lässig | Kremer K8 | Porsche 935/76 3.0L F6 twin turbo | 103 | Wikipedia contributors · CC BY-SA 4.0 |
| 1996 · 1996 24 Hours of Le Mans | DNF | 1 | LM P1/C90* | Kremer Racing | Christophe Bouchut · Jürgen Lässig · Harri ToivonenChristophe Bouchut Jürgen Lässig Harri Toivonen | Kremer K8 | Porsche 935/76 3.0L F6 twin turbo | 110 | Wikipedia contributors · CC BY-SA 4.0 |
| 1995 · 1995 24 Hours of Le Mans | DNF | 3 | LM-WSC* | Kremer Racing | Jürgen Lässig · Franz KonradJürgen Lässig Franz Konrad Antonio de Azevedo Herrmann | Kremer K8 | Porsche 935/76 3.0L F6 twin turbo | 163 | Wikipedia contributors · CC BY-SA 4.0 |
| 1994 · 1994 24 Hours of Le Mans | 6 | 5 | LM-P1/C90 | Gulf Oil Racing (private entrant) | Derek Bell · Robin Donovan · Jürgen LässigDerek Bell Robin Donovan Jürgen Lässig | Kremer K8 Spyder | Porsche 935/76 3.0L F6 twin turbo | 316 | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | 12 | 10 | Category 2 | Porsche Kremer Racing | Jürgen Lässig · Giovanni Lavaggi · Wayne TaylorJürgen Lässig Giovanni Lavaggi Wayne Taylor | Porsche 962C-K6 | Porsche 935 3.0L F6 twin turbo | 328 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | 10 | 67 | Category 3 | Obermaier Racing Primagaz Compétition | Otto Altenbach · Jürgen Lässig · Pierre YverOtto Altenbach Jürgen Lässig Pierre Yver | Porsche 962C | Porsche 935 3.0L F6 twin turbo | 297 | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · 1991 24 Hours of Le Mans | DNF | 51 | Category 2 | Salamin Primagaz Obermaier Racing | Jürgen Lässig · Pierre Yver · Otto AltenbachJürgen Lässig Pierre Yver Otto Altenbach | Porsche 962C | Porsche 935 3.2L F6 twin turbo | 232 | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · FIA SWC Magny Cours | 10 | 14 | | Team Salamin (Obermaier Rac | Otto Altenbach · Jürgen Lässig | Porsche 962C | — | 90 | WSPR historical record |
| 1990 · 1990 24 Hours of Le Mans | 9 | 27 | Gr.C1 | Obermaier Racing Primagaz Compétition | Jürgen Lässig · Pierre Yver · Otto AltenbachJürgen Lässig Pierre Yver Otto Altenbach | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 341 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · FIA WSPC - Fuji Film Cup, Suzuka Circuit | disqualified | 27 | 2 | Obermaier Primagaz | Jürgen Lässig · Otto Altenbach | Porsche 962C | — | 78 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | retired | 27 | | Obermaier Racing | Jürgen Lässig · Otto Altenbach | Porsche 962C | — | 11 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | 18 | 27 | | Obermaier Racing | Jürgen Lässig · Otto Altenbach | Porsche 962C | — | 88 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | source_section_running_in_practice | 27T | | Obermaier Racing | Otto Altenbach · Jürgen Lässig | Porsche 962C | — | | WSPR historical record |
| 1990 · FIA WSPC - Coupes de Spa, Spa Francorchamps | 11 | 27 | | Obermaier Racing | Otto Altenbach · Jürgen Lässig | Porsche 962C | — | 67 | WSPR historical record |
| 1990 · FIA WSPC - ADAC Sportwagen WM, Nürburgring | 16 | 27 | | Obermaier Racing | Jürgen Lässig · Otto Altenbach | Porsche 962C | — | 99 | WSPR historical record |
| 1990 · FIA WSPC Mondial Players Ltd., Montreal | 17 | 27 | | Obermaier Racing | Otto Altenbach · Jürgen Lässig | Porsche 962C | — | 58 | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | DNF | 72 | Gr.C1 | Obermaier Racing Primagaz Compétition | Jürgen Lässig · Pierre Yver · Paul BelmondoJürgen Lässig Pierre Yver Paul Belmondo | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 61 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · Coupe de Dijon, Dijon-Prenios | 20 | 72 | 7. C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 118 | WSPR historical record |
| 1989 · II Trofeo Repsol, Jarama | 15 | 72 | C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 131 | WSPR historical record |
| 1989 · Brands Hatch Trophy | retired | 72 | C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 107 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | 16 | 72 | 5. C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 100 | WSPR historical record |
| 1989 · Coupes de Spa, Spa-Francorchamps | 12 | 72 | 0. C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 65 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | retired | 72 | C1 | Obermaier Primagaz | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 5 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | 11 | 72 | Gr.C1 | Obermaier Racing Primagaz Compétition | Jürgen Lässig · Pierre Yver · Dudley WoodJürgen Lässig Pierre Yver Dudley Wood | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 356 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · 1987 24 Hours of Le Mans | 2 | 72 | Gr.C1 | Obermaier Racing Primagaz Compétition | Jürgen Lässig · Pierre Yver · Bernard de DryverJürgen Lässig Pierre Yver Bernard de Dryver | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 335 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · 200 Meilen von Nürnberg - Int. ADAC-Norisring-Trophäe | 5 | 72 | C1 | Primagaz Competition | Jürgen Lässig · Pierre Yver | Porsche 962C | — | 146 | WSPR historical record |
| 1987 · Int. ADAC-1000-km-Rennen, Nürburgring | 7 | 72 | 7. C1 | Primagaz Competition | Jürgen Lässig · Cathy Muller · Bernard de Dryver | Porsche 962C | — | 208 | WSPR historical record |
| 1987 · Kouros 1000 km Spa | 9 | 72 | 9. C1 | Primagaz Competition | Jürgen Lässig · Pierre Yver · Bernard de Dryver | Porsche 962C | — | 135 | WSPR historical record |
| 1986 · 1986 24 Hours of Le Mans | 5 | 9 | Gr.C1 | Obermaier Racing | Jürgen Lässig · Dudley Wood · Fulvio BallabioJürgen Lässig Dudley Wood Fulvio Ballabio | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 345 | Wikipedia contributors · CC BY-SA 4.0 |
| 1986 · Kouros' 1000 km Silverstone | 12 | 9 | 2. C1 | Obermaier Racing | Jürgen Lässig · Fulvio Ballabio · Hervé Regout · Dudley Wood | Porsche 956 | — | 195 | WSPR historical record |
| 1986 · 100 Meilen von Nürnberg, Norisring | 7 | 9 | 7. C1 | Obermaier Racing | Jürgen Lässig | Porsche 956 | — | 77 | WSPR historical record |
| 1986 · Shell Gemini 1000 km Brands Hatch | 8 | 9 | 7. C1 | Obermaier Racing | Jürgen Lässig · Fulvio Ballabio · Dudley Wood | Porsche 956 | — | 220 | WSPR historical record |
| 1986 · Trofeo Silk Cut, Jerez | 4 | 9 | 4. C1 | Obermaier Racing | Fulvio Ballabio · Dudley Wood · Jürgen Lässig | Porsche 956 | — | 82 | WSPR historical record |
| 1986 · ADAC Kouros 1000 km Nürburgring | 4 | 9 | 4. C1 | Obermaier Racing | Jürgen Lässig · Fulvio Ballabio · Harald Grohs | Porsche 956 | — | 115 | WSPR historical record |
| 1986 · Kouros 1000 Kilometres Spa | retired | 9 | C1 | Obermaier Racing | Jürgen Lässig · Hervé Regout · Dudley Wood | Porsche 956 | — | 11 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | 8 | 26 | Gr.C1 | Ducados Obermaier Racing | Jürgen Lässig · Jesús Pareja · Hervé RegoutJürgen Lässig Jesús Pareja Hervé Regout | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 357 | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · 1000 km Mugello | 6 | 26 | 6. C1 | Obermaier Racing Team | Mike Thackwell · Hervé Regout · Jürgen Lässig | Porsche 956 | — | 179 | WSPR historical record |
| 1985 · Trofeo Filippo Caracciolo, Monza | retired | 26 | C1 | Obermaier Racing | Jürgen Lässig · Hervé Regout · Jésus Pareja | Porsche 956 | — | 78 | WSPR historical record |
| 1985 · Silverstone 1000 Kilometres | 7 | 26 | 7. C1 | Obermaier Racing | Jürgen Lässig · Hervé Regout · Jésus Pareja | Porsche 956 | — | 204 | WSPR historical record |
| 1985 · Duschfrish ADAC 1000 Kilometres, Hockenheim | 7 | 26 | C1 | Obermaier Racing | Hervé Regout · Jürgen Lässig · Jésus Pareja | Porsche 956 | — | 136 | WSPR historical record |
| 1985 · 1000 km Spa | 8 | 26 | 8. C1 | Obermaier Racing | Jürgen Lässig · Hervé Regout · Jésus Pareja | Porsche 956 | — | 113 | WSPR historical record |
| 1984 · 1984 24 Hours of Le Mans | DNF | 47 | Gr.C1 | Obermaier Racing | Jürgen Lässig · George Fouché · John GrahamJürgen Lässig George Fouché John Graham | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 147 | Wikipedia contributors · CC BY-SA 4.0 |
| 1984 · Trofeo Filippo Caracciolo, Monza | retired | 47 | C1 | Obermaier Racing | Axel Plankenhorn · Jürgen Lässig · George Fouché | Porsche 956 | — | 70 | WSPR historical record |
| 1984 · Grand Prix International 1000 Kilometres, Silverstone | retired | 18 | C1 | Obermaier Racing | Jürgen Lässig · Hervé Regout · George Fouché | Porsche 956 | — | 201 | WSPR historical record |
| 1984 · ADAC 1000 Kilometres, Nürburgring | 21 | 18 | C1 | Obermaier Racing | Mike Thackwell · Jürgen Lässig · David Sutherland | Porsche 956 | — | 171 | WSPR historical record |
| 1984 · Rothmans Spa 1000 Kilometres, Spa | 5 | 18 | 5. C1 | Obermaier Racing | Hervé Regout · Jürgen Lässig · Phillippe Martin | Porsche 956 | — | 141 | WSPR historical record |
| 1984 · 1000 Kilometres di Imola | 6 | 18 | 6. C1 | Obermaier Racing | Harald Grohs · Hervé Regout · Jürgen Lässig | Porsche 956 | — | 191 | WSPR historical record |
| 1983 · 1983 24 Hours of Le Mans | 7 | 18 | Gr.C | Obermaier Racing | Jürgen Lässig · Desiré WilsonJürgen Lässig Axel Plankenhorn Desiré Wilson | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 348 | Wikipedia contributors · CC BY-SA 4.0 |
| 1983 · Trofeo Filippo Caracciolo, Monza | 4 | 18 | 4. C | Obermaier Racing | Axel Plankenhorn · Jürgen Lässig · Jürgen Barth | Porsche 956 | — | 163 | WSPR historical record |
| 1983 · Grand Prix International 1000 Kilometres, Silverstone | 4 | 18 | 4. C | Obermaier Racing | Axel Plankenhorn · Jürgen Lässig · Harald Grohs | Porsche 956 | — | 201 | WSPR historical record |
| 1983 · Bitburger Pils ADAC 1000 Kilometres, Nürburgring | 4 | 18 | 4. C | Obermaier Racing | Jürgen Lässig · Axel Plankenhorn · Hans Heyer | Porsche 956 | — | 42 | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | 5 | 18 | 5. C | Obermaier Racing | Jürgen Lässig · Axel Plankenhorn · Hervé Regout | Porsche 956 | — | 136 | 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 | 53 | GT | Obermaier Racing | Hermann-Peter Duge · Kurt König · Jürgen Lässig | BMW M1 | — | 11 | 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 | 10 | 62 | 2. Gr.5 | Weralit Racing | Jürgen Lässig · Teddy Pilette · Jean-Paul Libert | Porsche 935 K3 | — | 129 | WSPR historical record |
| 1982 · Shell Oils 1000 Kilometres, Brands Hatch | entry_only | 15 | Gr.5 | Lässig/Obermaier | Jürgen Lässig · Axel Plankenhorn | Porsche 935 K3 | — | | WSPR historical record |
| 1981 · 1981 24 Hours of Le Mans | DNF | 61 | Gr.5 SP +2.0 | Weralit Racing Team | Jürgen LässigEdgar Dören Jürgen Lässig Gerhard Holup | Porsche 935-K3/79 | Porsche 930 3.0L F6 turbo | 48 | Wikipedia contributors · CC BY-SA 4.0 |
| 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 · 1000 km Nürburgring | retired | 37 | GT | WERA-Meissberg | Hermann-Peter Duge · Jürgen Lässig | BMW M1 | — | 5 | 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 · 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 | entry_only | 203 | GTX+2.0 | Jürgen Kannacher | Jürgen Kannacher · Jürgen Lässig | BMW M1 | — | | 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 · 25th 1000 km Nürburgring | 7 | 44 | 1. GT | Max Moritz | Jürgen Lässig · Gerhard Holup · Hermann-Peter Duge | Porsche 934 | — | 40 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 23 | 45 | 7. GT | Max Moritz | Jürgen Lässig · Hermann-Peter Duge | Porsche Carrera RS | — | 37 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | 12 | 37 | 3. GT | Autohaus Max Moritz | Jürgen Lässig · Hermann-Peter Duge | Porsche Carrera RS | — | 39 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | retired | 26 | GT | Autohaus Max Moritz | Jürgen Lässig · Hermann-Peter Duge | Porsche Carrera RS | — | 23 | WSPR historical record |