| 2000 · 2000 24 Hours of Le Mans | DSQ † | 83 | LMGT | Dick Barbour Racing | Dirk Müller · Lucas LUHR · Bob WollekDirk Müller Lucas Luhr Bob Wollek | Porsche 911 GT3-R | Porsche 3.6 L Flat-6 | 319 | Wikipedia contributors · CC BY-SA 4.0 |
| 1999 · 1999 24 Hours of Le Mans | 19 | 80 | LM-GT * | Champion Racing | Bob Wollek · Dirk Müller · Bernd MayländerBob Wollek Dirk Müller Bernd Mayländer | Porsche 996 GT3 | Porsche M96/77 3.6L F6 | 293 | Wikipedia contributors · CC BY-SA 4.0 |
| 1998 · 1998 24 Hours of Le Mans | 2 | 25 | LM-GT1 | Porsche AG | Bob Wollek · Jörg Müller · Uwe AlzenBob Wollek Jörg Müller Uwe Alzen | Porsche 911 GT1-98 | Porsche 9R1 3.2L F6 twin turbo | 350 | Wikipedia contributors · CC BY-SA 4.0 |
| 1997 · 1997 24 Hours of Le Mans | DNF | 25 | LM-GT1 * | Porsche AG | Hans-Joachim Stuck · Bob Wollek · Thierry BoutsenHans-Joachim Stuck Bob Wollek Thierry Boutsen | Porsche 911 GT1 Evo | Porsche 9R1 3.2L F6 twin turbo | 238 | Wikipedia contributors · CC BY-SA 4.0 |
| 1996 · 1996 24 Hours of Le Mans | 2 | 25 | LM-GT1 | Porsche AG | Hans-Joachim Stuck · Thierry Boutsen · Bob WollekHans-Joachim Stuck Thierry Boutsen Bob Wollek | Porsche 911 GT1 | Porsche 9R1 3.2L F6 twin turbo | 353 | Wikipedia contributors · CC BY-SA 4.0 |
| 1995 · 1995 24 Hours of Le Mans | 2 | 13 | LM-WSC | Courage Compétition | Bob Wollek · Mario Andretti · Éric HélaryBob Wollek Mario Andretti Éric Hélary | Courage C34 | Porsche 935/82 3.0L F6 twin turbo | 297 | Wikipedia contributors · CC BY-SA 4.0 |
| 1994 · 1994 24 Hours of Le Mans | 4 | 4 | LM-P1/ C90 | Nisso Trust Racing Team | Steven Andskär · George Fouché · Bob WollekSteven Andskär George Fouché Bob Wollek | Toyota 94C-V | Toyota R36V 3.6L V8 twin-turbo | 328 | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | 9 | 18 | Category 2 | Joest Porsche Racing | Bob Wollek · Henri Pescarolo · Ronny MeixnerBob Wollek Henri Pescarolo / Ronny Meixner | Porsche 962C | Porsche 935/83 3.0L F6 twin turbo | 351 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | 6 | 54 | Category 3 | Courage Compétition | Bob Wollek · Henri Pescarolo · Jean-Louis RicciBob Wollek Henri Pescarolo Jean-Louis Ricci | Courage C28 LM | Porsche 935 3.0L F6 twin turbo | 335 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · SWC 500 km Monza | entry_only | 11 | C1 | F. Konrad | Franz Konrad · Bob Wollek | Konrad Lamborghini | — | | WSPR historical record |
| 1991 · 1991 24 Hours of Le Mans | 3 | 34 | Category 2 | Silk Cut Jaguar Team Tom Walkinshaw Racing | Bob Wollek · Teo Fabi · Kenny AchesonBob Wollek Teo Fabi Kenny Acheson | Jaguar XJR-12LM | Jaguar HE 7.4L V12 | 358 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · 1990 24 Hours of Le Mans | 8 | 9 | Gr.C1 | Joest Porsche Racing | Bob Wollek · Stanley Dickens · Louis KragesBob Wollek Stanley Dickens "John Winter" ( Louis Krages ) | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 346 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · 1990 24 Hours of Le Mans | DNS | 8 | Gr.C1 | Joest Porsche Racing | Bob Wollek · Jonathan Palmer · Philippe AlliotBob Wollek Jonathan Palmer Philippe Alliot | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · FIA WSPC - Fuji Film Cup, Suzuka Circuit | retired | 7 | 2 | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 23 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | 5 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 82 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | 4 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 99 | WSPR historical record |
| 1990 · FIA WSPC - Coupes de Spa, Spa Francorchamps | 7 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 69 | WSPR historical record |
| 1990 · FIA WSPC, Dijon-Prenios | 7 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 124 | WSPR historical record |
| 1990 · FIA WSPC - ADAC Sportwagen WM, Nürburgring | 6 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 103 | WSPR historical record |
| 1990 · FIA WSPC - Shell Donington Trophy | 7 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 116 | WSPR historical record |
| 1990 · FIA WSPC - Shell Donington Trophy | source_section_running_in_practice | - | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | | WSPR historical record |
| 1990 · FIA WSPC Mondial Players Ltd., Montreal | 6 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 61 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Hermanos Rodriguez, Mexico | 6 | 7 | | Joest Porsche Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 105 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Hermanos Rodriguez, Mexico | source_section_running_in_practice | 7T | | Joest Porsche Racing | Bob Wollek | Porsche 962C | — | | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | 3 | 9 | Gr.C1 | Joest Racing | Hans-Joachim Stuck · Bob WollekHans-Joachim Stuck Bob Wollek | Porsche 962 C | Porsche 935/82 3.0L F6 twin turbo | 383 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · WSPC Suzuka | 3 | 7 | 3. C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 82 | WSPR historical record |
| 1989 · Coupe de Dijon, Dijon-Prenios | 1 | 7 | 1. C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 127 | WSPR historical record |
| 1989 · Brands Hatch Trophy | 2 | 7 | 2. C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 115 | WSPR historical record |
| 1989 · Brands Hatch Trophy | source_section_running_in_practice | 7T | C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | retired | 7 | C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 105 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | source_section_running_in_practice | 7T | | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | | WSPR historical record |
| 1989 · Wheatcroft Gold Cup, Donington | 4 | 7 | 4. C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 119 | WSPR historical record |
| 1989 · Coupes de Spa, Spa-Francorchamps | 2 | 7 | 2. C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 70 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | retired | 7 | C1 | Joest Racing | Bob Wollek · Frank Jelinski | Porsche 962C | — | 3 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | DNF | 18 | Gr.C1 | Porsche AG | Bob Wollek · Vern Schuppan · Sarel van der MerweBob Wollek Vern Schuppan Sarel van der Merwe | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 192 | Wikipedia contributors · CC BY-SA 4.0 |
| 1988 · 800 km Jerez | 3 | 7 | C1 | Joest Racing | Bob Wollek · Klaus Ludwig | Porsche 962C | — | 188 | WSPR historical record |
| 1988 · Fuji 1000 Kilometres, Fuji Speedway | retired | 7 | C1 | Joest Racing | Bob Wollek · Harald Grohs | Porsche 962C | — | 191 | WSPR historical record |
| 1988 · 360 km Jarama | retired | 7 | C1 | Joest Racing | Klaus Ludwig · Bob Wollek | Porsche 962C | — | 62 | WSPR historical record |
| 1988 · 1000 km Monza | 5 | 7 | 5. C1 | Joest Racing | Klaus Ludwig · Bob Wollek | Porsche 962C | — | 164 | WSPR historical record |
| 1988 · Autosport 1000 Kilometres, Silverstone | 4 | 7 | 4. C1 | Joest Racing | Bob Wollek · David Hobbs · Philippe Streiff | Porsche 962C | — | 205 | WSPR historical record |
| 1988 · Grand Prix ČSSR, Automodrom Brno | 5 | 7 | 5. C1 | Blaupunkt Joest Racing | Bob Wollek · "John Winter" | Porsche 962C | — | 66 | WSPR historical record |
| 1988 · 1000 km Brands Hatch | 2 | 7 | 2. C1 | Joest Racing | Klaus Ludwig · Bob Wollek | Porsche 962C | — | 239 | WSPR historical record |
| 1988 · ADAC 1000 km Nürburgring | 3 | 7 | 3. C1 | Joest Racing | Bob Wollek · Paolo Barilla | Porsche 962C | — | 196 | WSPR historical record |
| 1988 · 1000 km Spa | retired | 7 | C1 | Blaupunkt Joest Racing | Bob Wollek · Paolo Barilla | Porsche 962C | — | 31 | WSPR historical record |
| 1987 · 1987 24 Hours of Le Mans | DNF | 18 | Gr.C1 | Rothmans Porsche | Jochen Mass · Bob Wollek · Vern SchuppanJochen Mass Bob Wollek Vern Schuppan | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 16 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · Mount Fuji 1000 Kilometres | 5 | 8 | 5. C1 | Joest Racing | "John Winter" · Frank Jelinski · Bob Wollek · DNS - Stanley Dickens | Porsche 962C | — | 218 | WSPR historical record |
| 1987 · Mount Fuji 1000 Kilometres | retired | 7 | C1 | Joest Racing | Bob Wollek · Harald Grohs · Frank Jelinski | Porsche 962C | — | 81 | WSPR historical record |
| 1987 · 1000 km Jerez | retired | 18 | C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 161 | WSPR historical record |
| 1987 · 1000 km Monza | 6 | 18 | 6. C1 | Rothmans Porsche | Bob Wollek · Jochen Mass | Porsche 962C | — | 159 | WSPR historical record |
| 1987 · Autoglass 1000 Kilometres Silverstone | 4 | 18 | 4. C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 202 | WSPR historical record |
| 1987 · Autoglass 1000 Kilometres Silverstone | source_section_running_in_practice | 17 | | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | | WSPR historical record |
| 1987 · 200 Meilen von Nürnberg - Int. ADAC-Norisring-Trophäe | retired | 7 | | Joest Racing | Bob Wollek · Klaus Ludwig | Porsche 962C | — | 76 | WSPR historical record |
| 1987 · Int. ADAC-1000-km-Rennen, Nürburgring | retired | 9 | C1 | Joest Racing | Klaus Ludwig · Bob Wollek | Porsche 962C | — | 116 | WSPR historical record |
| 1987 · Kouros 1000 km Spa | 5 | 7 | 5. C1 | Joest Racing | Hans-Joachim Stuck · Derek Bell · Bob Wollek | Porsche 962C | — | 139 | WSPR historical record |
| 1986 · 1986 24 Hours of Le Mans | DNF | 2 | Gr.C1 | Rothmans Porsche | Jochen Mass · Bob Wollek · Vern SchuppanJochen Mass Bob Wollek Vern Schuppan | Porsche 962C | Porsche 935/76 2.6L F6 twin turbo | 180 | Wikipedia contributors · CC BY-SA 4.0 |
| 1986 · Coppa Kouros, Monza | 6 | 2 | 6. C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 60 | WSPR historical record |
| 1986 · Kouros' 1000 km Silverstone | retired | 2 | C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 81 | WSPR historical record |
| 1986 · 100 Meilen von Nürnberg, Norisring | retired | 14 | C1 | Rivhard Lloyd Racing | Bob Wollek | Porsche 956B | — | 60 | WSPR historical record |
| 1986 · Shell Gemini 1000 km Brands Hatch | 1 | 14 | 1. C1 | Richard Lloyd Racing/Liqui | Bob Wollek · Mauro Baldi | Porsche 956 GTi | — | 236 | WSPR historical record |
| 1986 · ADAC Kouros 1000 km Nürburgring | retired | 2 | C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 21 | WSPR historical record |
| 1986 · Kouros 1000 Kilometres Spa | 7 | 2 | 7. C1 | Rothmans Porsche | Jochen Mass · Bob Wollek | Porsche 962C | — | 140 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | 6 | 4 | Gr.C1 | Lancia Martini | Bob Wollek · Alessandro NanniniBob Wollek Alessandro Nannini Lucio Cesario | Lancia LC2 | Ferrari 308C 3.0L V8 twin turbo | 360 | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · 1000 km Mugello | 4 | 5 | 4. C1 | Martini Racing | Mauro Baldi · Bob Wollek | Lancia LC2-83/85 | — | 186 | WSPR historical record |
| 1985 · Trofeo Filippo Caracciolo, Monza | retired | 5 | C1 | Martini Racing | Bob Wollek · Mauro Baldi | Lancia LC2-83/85 | — | 46 | WSPR historical record |
| 1985 · Silverstone 1000 Kilometres | 12 | 5 | 0. C1 | Martini Racing | Mauro Baldi · Bob Wollek | Lancia LC2 | — | 188 | WSPR historical record |
| 1985 · Duschfrish ADAC 1000 Kilometres, Hockenheim | 4 | 5 | C1 | Martini Racing | Bob Wollek · Mauro Baldi | Lancia LC2-83/85 | — | 145 | WSPR historical record |
| 1985 · 1000 km Spa | 1 | 5 | 1. C1 | Martini Racing | Bob Wollek · Mauro Baldi · Riccardo Patrese | Lancia LC2-83/85 | — | 122 | WSPR historical record |
| 1985 · 1000 km Brands Hatch | 3 | 5 | 3. C1 | Martini Racing | Bob Wollek · Andrea de Cesaris · Mauro Baldi | Lancia LC2-83/85 | — | 237 | WSPR historical record |
| 1984 · 1984 24 Hours of Le Mans | 8 | 4 | Gr.C1 | Martini Racing | Bob Wollek · Alessandro NanniniBob Wollek Alessandro Nannini | Lancia LC2 | Ferrari 308C 3.0L V8 twin turbo | 326 | Wikipedia contributors · CC BY-SA 4.0 |
| 1984 · Trofeo Filippo Caracciolo, Monza | retired | 4 | C1 | Martini Racing | Riccardo Patrese · Bob Wollek | Lancia LC2-84 | — | 132 | WSPR historical record |
| 1984 · Kyalami 1000 Kilometres | 2 | 5 | 2. C1 | Martini Racing | Bob Wollek · Paolo Barilla | Lancia LC2-84 | — | 242 | WSPR historical record |
| 1984 · Grand Prix International 1000 Kilometres, Silverstone | retired | 4 | C1 | Martini Racing | Riccardo Patrese · Bob Wollek | Lancia LC2-84 | — | 56 | WSPR historical record |
| 1984 · ADAC 1000 Kilometres, Nürburgring | 12 | 4 | 2. C1 | Martini Racing | Bob Wollek · Riccardo Patrese | Lancia LC2-84 | — | 189 | WSPR historical record |
| 1984 · British Aerospace 1000 Kilometres, Brands Hatch | retired | 4 | C1 | Martini Racing | Bob Wollek · Paolo Barilla | Lancia LC2 | — | 52 | WSPR historical record |
| 1984 · British Aerospace 1000 Kilometres, Brands Hatch | 7 | 5 | 7. C1 | Martini Racing | Mauro Baldi · Pierluigi Martini · Bob Wollek | Lancia LC2-84 | — | 221 | WSPR historical record |
| 1984 · 1000 Kilometres di Imola | retired | 6 | C1 | Martini Racing | Riccardo Patrese · Bob Wollek | Lancia LC2 | — | 163 | WSPR historical record |
| 1983 · 1983 24 Hours of Le Mans | 6 | 8 | Gr.C | Sorga Joest Racing | Klaus Ludwig · Stefan Johansson · Bob WollekKlaus Ludwig Stefan Johansson Bob Wollek | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 355 | Wikipedia contributors · CC BY-SA 4.0 |
| 1983 · Trofeo Filippo Caracciolo, Monza | 1 | 11 | 1. C | Joest Racing | Bob Wollek · Thierry Boutsen | Porsche 956 | — | 173 | WSPR historical record |
| 1983 · Grand Prix International 1000 Kilometres, Silverstone | 2 | 8 | 2. C | Joest Racing | Stefan Johansson · Bob Wollek | Porsche 956 | — | 212 | WSPR historical record |
| 1983 · Bitburger Pils ADAC 1000 Kilometres, Nürburgring | 2 | 8 | 2. C | Joest Racing | Bob Wollek · Stefan Johansson | Porsche 956 | — | 44 | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | retired | 12 | C | Joest Racing | Hans Heyer · Volkert Merl · Bob Wollek | Porsche 956 | — | 90 | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | retired | 8 | C | Joest Racing | Bob Wollek · Stefan Johansson | Porsche 956 | — | 6 | WSPR historical record |
| 1983 · Mount Fuji 1000 Kilometres | 5 | 12 | 5. C | Joest Racing | Bob Wollek · Hans Heyer · Volkert Merl | Porsche 956 | — | 209 | WSPR historical record |
| 1983 · Castrol 1000 km Kyalami | 4 | 12 | 4. C | Joest Racing | Dieter Schornstein · "John Winter" · Bob Wollek | Porsche 956 | — | 228 | WSPR historical record |
| 1983 · Castrol 1000 km Kyalami | retired | 8 | C | Joest Racing | Bob Wollek · Stefan Johansson · Chico Serra | Porsche 956 | — | 48 | WSPR historical record |
| 1982 · 1982 24 Hours of Le Mans | DNF | 4 | Gr.C | Belga Team Joest Racing | Bob Wollek · Jean-Michel Martin · Philippe MartinBob Wollek Jean-Michel Martin Philippe Martin | Porsche 936C J | Porsche 935 2.5L F6 twin-turbo | 320 | Wikipedia contributors · CC BY-SA 4.0 |
| 1982 · Trofeo Filippo Caracciolo, Monza | disqualified | 4 | C | Joest Racing | Bob Wollek · Jean-Michel Martin · Phillippe Martin | Porsche 936C | — | 162 | WSPR historical record |
| 1982 · The Pace Petroleum 6 Hours, Silverstone | 3 | 4 | 2. C | Joest Racing | Bob Wollek · Jean-Michel Martin · Phillippe Martin | Porsche 936C | — | 231 | WSPR historical record |
| 1982 · Rudolf Caracciola Wanderpreis 1000 Kilometres, Nürburgring | retired | 4 | C | Joest Racing | Bob Wollek · Phillippe Martin · Jean-Michel Martin | Porsche 936C | — | 19 | WSPR historical record |
| 1982 · Trofeo Banca Toscana 1000 kilometres, Mugello | 3 | 1 | 1. C | Joest Racing | Bob Wollek · Hans Heyer · Henri Pescarolo | Porsche 936C | — | 184 | WSPR historical record |
| 1982 · Trofeo Banca Toscana 1000 kilometres, Mugello | 6 | 2 | 1. Gr.5 | Vegla Racing Team | Dieter Schornstein · Volkert Merl · Bob Wollek | Porsche 935J | — | 175 | WSPR historical record |
| 1982 · Shell Oils 1000 Kilometres, Brands Hatch | 3 | 22 | IMSA GTX | John Fitzpatrick Racing | John Fitzpatrick · David Hobbs · Bob Wollek | Porsche 935 K4 | — | 202 | WSPR historical record |
| 1982 · Shell Oils 1000 Kilometres, Brands Hatch | 8 | 21 | 6. C | Joest Racing | Bob Wollek · Henri Pescarolo · Hans Heyer | Porsche 936C | — | 197 | WSPR historical record |
| 1981 · 1981 24 Hours of Le Mans | DNF | 10 | Gr.6 S +2.0 | Porsche Kremer Racing | Bob Wollek · Guy ChasseuilBob Wollek Xavier Lapeyre Guy Chasseuil | Porsche 917 K/81 | Porsche 4.9L F12 | 82 | Wikipedia contributors · CC BY-SA 4.0 |
| 1981 · 20th Annual 24 Hour Pepsi Challenge Camel GT race, Daytona Internati onal Speedway | 48 | 1 | 7. GTX | John Fitzpatrick Racing | John Fitzpatrick · Jim Busby · Bob Wollek | Porsche 935 K3/80 | — | 167 | WSPR historical record |
| 1981 · Flying Tigers 1000, Brands Hatch | retired | 2 | S+2.0 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 917K/81 | — | 52 | WSPR historical record |
| 1981 · 1000 km Nürburgring | 3 | 27 | 1. GTX+2.0 | Preston Henn | Bob Wollek · Preston Henn · Adrian Yates-Smith - DND | Porsche 935 K3 | — | 17 | WSPR historical record |
| 1980 · 1980 24 Hours of Le Mans | DNF | 45 | Gr.5 SP 2.0+ | Gelo Racing Team | Bob Wollek · Helmut KellenersBob Wollek Helmut Kelleners | Porsche 935-K3/79-80 | Porsche 930/80 3.2L F6 twin-turbo | 191 | Wikipedia contributors · CC BY-SA 4.0 |
| 1980 · Nürburgring 1000 Kilometres | 5 | 3 | 3. Gr.5 | Gelo Racing | Bob Wollek · Manfred Schurti | Porsche 935 | — | 44 | WSPR historical record |
| 1979 · 1979 24 Hours of Le Mans | DNF | 14 | Gr.6 S 3.0 | Essex Motorsport Porsche | Bob Wollek · Hurley HaywoodBob Wollek Hurley Haywood | Porsche 936-78 | Porsche 935/73 2.1L F6 twin-turbo | 236 | Wikipedia contributors · CC BY-SA 4.0 |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 32 | 1 | 6. GTX | Gelo Racing Team | Bob Wollek · Jacky Ickx · Peter Gregg | Porsche 935/77 | — | 342 | WSPR historical record |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 50 | 2 | 2. GTX | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 135 | WSPR historical record |
| 1979 · 6 Hours of Mugello | 1 | 12 | 1. Gr.5 | Gelo Racing Team | John Fitzpatrick · Manfred Schurti · Bob Wollek | Porsche 935-77 | — | 138 | WSPR historical record |
| 1979 · 6 Hours of Mugello | 2 | 11 | 2. Gr.5 | Gelo Racing Team | Bob Wollek · Jacky Ickx · Manfred Schurti | Porsche 935-77A | — | 136 | WSPR historical record |
| 1979 · Dijon 6 Hours | 2 | 1 | 1. Gr.5 | Gelo Racing | Jacky Ickx · Bob Wollek · Manfred Schurti | Porsche 935/77 | — | 251 | WSPR historical record |
| 1979 · Dijon 6 Hours | 13 | 10 | 7. Gr.5 | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 215 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 1 | 3 | 1. Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · Bob Wollek | Porsche 935/77 | — | 229 | WSPR historical record |
| 1979 · Rivet Supply 6 Hours, Silverstone | 5 | 2 | 3. Gr.5 | Gelo Racing Team | Manfred Schurti · Bob Wollek · John Fitzpatrick | Porsche 935/77 | — | 210 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | 1 | 6 | 1. Gr.5 | Gelo Racing Team | Manfred Schurti · John Fitzpatrick · Bob Wollek | Porsche 935/77 | — | 44 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | 26 | 3 | 0. Gr.5 | Gelo Racing Team | Bob Wollek · John Fitzpatrick · Manfred Schurti · DNS - Henri Pescarolo | Porsche 935/7 | — | 31 | WSPR historical record |
| 1979 · Rivet Suply 6 hours, Brands Hatch | entry_only | 25 | Gr.5 | Gelo Racing | John Fitzpatrick · Manfred Schurti · Bob Wollek | Porsche 935/77A | — | | WSPR historical record |
| 1979 · Rivet Suply 6 hours, Brands Hatch | entry_only | 26 | Gr.5 | Gelo Racing | John Fitzpatrick · Manfred Schurti · Bob Wollek | Porsche 935/77A | — | | WSPR historical record |
| 1978 · 1978 24 Hours of Le Mans | 2 | 6 | Gr.6 S 3.0 | Martini Racing Porsche System | Jürgen Barth · Bob Wollek · Jacky IckxJürgen Barth Bob Wollek Jacky Ickx | Porsche 936-78 | Porsche 935/73 2.1L F6 twin-turbo | 364 | Wikipedia contributors · CC BY-SA 4.0 |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 57 | 12 | 4. GTX | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo · Didier Jaunet | Porsche 935/77 | — | 86 | WSPR historical record |
| 1978 · 6 h Mugello | 7 | 8 | 7. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · Bob Wollek · DNS - Henri Pescarolo | Porsche 935/77 | — | 169 | WSPR historical record |
| 1978 · 6 h Mugello | retired | 9 | Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 32 | WSPR historical record |
| 1978 · 6 h Dijon | 1 | 2 | 1. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 169 | WSPR historical record |
| 1978 · 6 h Silverstone | 2 | 8 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 229 | WSPR historical record |
| 1978 · 6 h Silverstone | 5 | 9 | 5. Gr.5 | Porsche Kremer Racing | Dieter Schornstein · "John Winter" · Bob Wollek | Porsche 935/77 | — | 219 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 3 | 4 | 3. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 44 | WSPR historical record |
| 1978 · Misano 6 Hours | 1 | 7 | 1. Gr.5 | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo | Porsche 935/77 | — | 261 | WSPR historical record |
| 1978 · 6 h Vallelunga | 1 | 3 | 1. Gr.5 | Porsche Kremer Racing | Henri Pescarolo · Bob Wollek | Porsche 935/77 | — | 267 | WSPR historical record |
| 1977 · 1977 24 Hours of Le Mans | 7 | 58 | Gr.4 GT | Porsche Kremer Racing | Bob Wollek · Philippe GurdjianBob Wollek "Steve” (Jean-Pierre Wielemans) Philippe Gurdjian | Porsche 934 | Porsche 3.0L F6 turbo | 298 | Wikipedia contributors · CC BY-SA 4.0 |
| 1977 · 24 Hours of Daytona, Daytona International Speedway | 3 | 8 | Gr.5 | Porsche Kremer Racing | Reinhold Jöst · Bob Wollek · Albrecht Krebs | Porsche 935 | — | 670 | WSPR historical record |
| 1977 · 6 h Mugello | retired | 3 | Gr.5 | Porsche Kremer Racing | Bob Wollek · John Fitzpatrick | Porsche 935 | — | 64 | WSPR historical record |
| 1977 · Kosset 6 Hours, Silverstone | 2 | 3 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · John Fitzpatrick | Porsche 935 | — | 223 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | 2 | 4 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · John Fitzpatrick | Porsche 935 | — | 43 | WSPR historical record |
| 1977 · Molson Diamond Trans-Am Championship and World Championship of Makes, Mosport Park | disqualified | 59 | 1. TA2 | Brumos Porsche | Peter Gregg · Bob Wollek | Porsche 934/5 | — | 243 | WSPR historical record |
| 1977 · Rivet Supply 6 Hours, Brands Hatch | 3 | 3 | 3. Gr.5 | Porsche Kremer Racing | Reinhold Jöst · Bob Wollek · Franz Konrad | Porsche 935 | — | 97 | WSPR historical record |
| 1977 · Rivet Supply 6 Hours, Brands Hatch | 4 | 2 | 4. Gr.5 | Porsche Kremer Racing | Bob Wollek · Nick Faure | Porsche 935 | — | 95 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | 1 | 4 | 1. Gr.5 | Porsche Kremer Porsche | Bob Wollek · John Fitzpatrick · DNS - Claude Haldi | Porsche 935 K2 | — | 167 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | 4 | 5 | 4. Gr.5 | Porsche Kremer Racing | Claude Haldi · Werner Christmann · Bob Wollek | Porsche 935 | — | 157 | WSPR historical record |
| 1976 · 1976 24 Hours of Le Mans | 19 | 65 | Gp.4 GT | Kremer Racing | Bob Wollek · Didier PironiBob Wollek Didier Pironi Marie-Claude Beaumont | Porsche 934 | Porsche 3.0L F6 turbo | 270 | Wikipedia contributors · CC BY-SA 4.0 |
| 1976 · March Trophy, Mugello 6 Hours | 2 | 5 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · Hans Heyer | Porsche 935 | — | 168 | WSPR historical record |
| 1976 · 500 km des ACF Dijon-Prenois | 6 | 10 | 6. S3.0 | Joest Racing | Bob Wollek · Horst Godel | Porsche 908/3 | — | 140 | WSPR historical record |
| 1976 · Trofeo Ignazio Giunti, Vallelunga 6 Hours | retired | 3 | Gr.5 | Porsche Kremer Racing | Hans Heyer · Bob Wollek | Porsche 935 | — | 37 | WSPR historical record |
| 1976 · World Championship of Maker, 6 Hours of Silverstone | 2 | 10 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · Hans Heyer | Porsche 935 | — | 218 | WSPR historical record |
| 1976 · ADAC 1000 Kilometres, Nürburgring | retired | 2 | Gr.5 | Porsche Kremer Racing | Bob Wollek · Hans Heyer | Porsche 935 | — | 13 | WSPR historical record |
| 1976 · ACF 6 Hours Dijon | 2 | 5 | 2. Gr.5 | Porsche Kremer Racing | Bob Wollek · Hans Heyer | Porsche 935 | — | 310 | WSPR historical record |
| 1976 · ACF 6 Hours Dijon | 8 | 7 | 1. GT | Porsche Kremer Racing | Jürgen Barth · Reinhold Jöst · Bob Wollek | Porsche 934 T | — | 290 | WSPR historical record |
| 1975 · 1975 24 Hours of Le Mans | DSQ | 78 | GT | Écurie Buchet C. Grandet (private entrant) | Bob WollekCyril Grandet Bob Wollek | Porsche 911 Carrera RSR | Porsche 3.0L F6 | 294 | Wikipedia contributors · CC BY-SA 4.0 |
| 1975 · 800 km Dijon | 8 | 26 | 3. GT | Robert Buchet | Claude Ballot-Léna · Bob Wollek | Porsche Carrer | — | 217 | WSPR historical record |
| 1975 · 1000 km Nürburgring | 8 | 54 | 1. GT+1.6 | Jägermeister Kremer Racing | Helmut Kelleners · Hans Heyer · Bob Wollek | Porsche Carrer | — | 40 | WSPR historical record |
| 1975 · 1000 km Nürburgring | retired | 55 | GT+1.6 | Jägermeister Kremer Racing | Hans Heyer · Bob Wollek · Reinhardt Stenzel | Porsche Carrera RSR | — | 23 | WSPR historical record |
| 1974 · 1974 24 Hours of Le Mans | DNF | 8 | S 3.0 | Équipe Gitanes | Jean-Pierre Jaussaud · Bob Wollek · José DolhemJean-Pierre Jaussaud Bob Wollek José Dolhem | Matra-Simca MS670B | Matra 3.0L V12 | 120 | Wikipedia contributors · CC BY-SA 4.0 |
| 1974 · 1000 km Spa | did_not_start | 7 | S3.0 | Automobiles Ligier | Bob Wollek · Jean-Pierre Jaussaud · Guy Ligier | Ligier JS2 Maserati | — | | WSPR historical record |
| 1974 · 1000-km-Rennen Nürburgring | 13 | 41 | 2. GT+1.6 | Robert Buchet | Claude Ballot-Léna · Bob Wollek | Porsche Carrer | — | 29 | WSPR historical record |
| 1974 · 1000 km Imola | 7 | 151 | 3. GT3.0 | Jean-Marc Seguin | Bob Wollek · Jean-Marc Seguin | Porsche Carrera RSR | — | 172 | WSPR historical record |
| 1974 · 1000 km Zeltweg, Österreichring | retired | 38 | GT+2.0 | Robert Buchet | Claude Ballot-Léna · Bob Wollek | Porsche Carrer | — | 26 | WSPR historical record |
| 1974 · 1000 km Le Castellet | retired | 40 | GT | Robert Buchet | Claude Ballot-Léna · Bob Wollek | Porsche Carrera RSR | — | 9 | WSPR historical record |
| 1974 · Brands Hatch BA 1000 Kilometres | retired | 52 | GT | Porsche Kremer Racing | Hans Heyer · Bob Wollek | Porsche Carrera RSR | — | 66 | WSPR historical record |
| 1973 · 1973 24 Hours of Le Mans | DNF | 14 | S 3.0 | Equipe Matra - Simca Shell | Patrick Depailler · Bob WollekPatrick Depailler Bob Wollek | Matra-Simca MS670B | Matra 3.0L V12 | 84 | Wikipedia contributors · CC BY-SA 4.0 |
| 1973 · Spa 1000 Kilometres | entry_only | 32 | S2.0 | KVG Racing | Bob Wollek · Peter Gaydon | Chevron B21 Ford | — | | WSPR historical record |
| 1971 · ADAC 1000 Kilometres, Nürburgring | entry_only | 30 | P2.0 | Steinmetz Automobiltech | Arthur Blank · Bob Wollek | Chevron B19 Opel | — | | WSPR historical record |
| 1969 · 1969 24 Hours of Le Mans | DNF | 45 | P 1.6 | Société des Automobiles Alpine | Jean-Claude Killy · Bob WollekJean-Claude Killy Bob Wollek | Alpine A210 | Renault - Gordini 1470cc S4 | 242 | Wikipedia contributors · CC BY-SA 4.0 |
| 1968 · 1968 24 Hours of Le Mans | 11 | 53 | P 1.3 | Trophée Le Mans | Bob WollekBob Wollek Christian Ethuin | Alpine A210 | Renault - Gordini 1296cc S4 | 282 | Wikipedia contributors · CC BY-SA 4.0 |