| 2018 · 2018 24 Hours of Le Mans | 11 | 29 | LMP2 | Racing Team Nederland | Giedo VAN DER GARDE · Jan LAMMERS · Frits VAN EERDGiedo van der Garde Jan Lammers Frits van Eerd | Dallara P217 | Gibson GK428 4.2 L V8 | 356 | Wikipedia contributors · CC BY-SA 4.0 |
| 2018-2019 · Spa Francorchamps | 28 | 29 | LMP2 | Racing Team Nederland | Frits VAN EERD · Giedo VAN DER GARDE · Jan LAMMERS | Dallara P217 Gibson | — | 139 | Official timing record |
| 2017 · 2017 24 Hours of Le Mans | 13 | 29 | LMP2 | Racing Team Nederland | Rubens Barrichello · Jan LAMMERS · Frits VAN EERDRubens Barrichello Jan Lammers Frits van Eerd | Dallara P217 | Gibson GK428 4.2 L V8 | 344 | Wikipedia contributors · CC BY-SA 4.0 |
| 2011 · 2011 24 Hours of Le Mans | DNF | 5 | LMP1 | Hope Racing | Steve Zacchia · Jan LAMMERS · Casper ElgaardSteve Zacchia Jan Lammers Casper Elgaard | Oreca 01 | Swiss HyTech 2.0 L Hybrid Turbo I4 | 115 | Wikipedia contributors · CC BY-SA 4.0 |
| 2008 · 2008 24 Hours of Le Mans | 46 DNF | 12 | LMP1 | Charouz Racing System Team Cytosport | Klaus Graf · Jan LAMMERSGreg Pickett Klaus Graf Jan Lammers | Lola B07/17 | Judd GV5.5 S2 5.5 L V10 | 146 | Wikipedia contributors · CC BY-SA 4.0 |
| 2007 · 2007 24 Hours of Le Mans | 25 | 14 | LMP1 | Racing for Holland b.v. | Jan LAMMERS · Jeroen BleekemolenJan Lammers Jeroen Bleekemolen David Hart | Dome S101.5 | Judd GV5.5 S2 5.5L V10 | 305 | Wikipedia contributors · CC BY-SA 4.0 |
| 2006 · 2006 24 Hours of Le Mans | 37 DNF | 14 | LMP1 | Racing for Holland | Jan LAMMERS · Alex Yoong · Stefan JohanssonJan Lammers Alex Yoong Stefan Johansson | Dome S101Hb | Judd GV5 5.0L V10 | 182 | Wikipedia contributors · CC BY-SA 4.0 |
| 2005 · 2005 24 Hours of Le Mans | 7 | 10 | LMP1 | Racing for Holland | Jan LAMMERS · Elton Julian · John BoschJan Lammers Elton Julian John Bosch | Dome S101 | Judd GV4 4.0 L V10 | 346 | Wikipedia contributors · CC BY-SA 4.0 |
| 2004 · 2004 24 Hours of Le Mans | 7 | 15 | LMP1 | Racing for Holland | Jan LAMMERS · Chris DYSON · Katsutomo KaneishiJan Lammers Chris Dyson Katsutomo Kaneishi | Dome S101 | Judd GV4 4.0L V10 | 341 | Wikipedia contributors · CC BY-SA 4.0 |
| 2003 · 2003 24 Hours of Le Mans | 6 | 15 | LMP900 | Racing for Holland | Jan LAMMERS · John Bosch · Andy WallaceJan Lammers John Bosch Andy Wallace | Dome S101 | Judd GV4 4.0 L V10 | 360 | Wikipedia contributors · CC BY-SA 4.0 |
| 2002 · 2002 24 Hours of Le Mans | 8 | 16 | LMP900 | Racing for Holland | Jan LAMMERS · Tom CoronelJan Lammers Tom Coronel Val Hillebrand | Dome S101 | Judd GV4 4.0 L V10 | 351 | Wikipedia contributors · CC BY-SA 4.0 |
| 2001 · 2001 24 Hours of Le Mans | DNF | 9 | LMP900 | Racing for Holland | Jan LAMMERS · Donny CrevelsJan Lammers Donny Crevels Val Hillebrand | Dome S101 | Judd GV4 4.0 L V10 | 156 | Wikipedia contributors · CC BY-SA 4.0 |
| 2000 · 2000 24 Hours of Le Mans | DNF | 20 | LMP900 | Konrad Motorsport | Jan LAMMERS · Tom Coronel · Peter KoxJan Lammers Tom Coronel Peter Kox | Lola B2K/10 | Ford - Roush 6.0 L V8 | 38 | Wikipedia contributors · CC BY-SA 4.0 |
| 1999 · 1999 24 Hours of Le Mans | DNF | 26 | LMP-900 | Konrad Motorsport Racing for Holland (private entrant) | Jan LAMMERS · Peter Kox · Tom CoronelJan Lammers Peter Kox Tom Coronel | Lola B98/10 | Ford- Roush 6.0L V8 | 213 | Wikipedia contributors · CC BY-SA 4.0 |
| 1998 · 1998 24 Hours of Le Mans | 6 | 31 | LM-GT1 | NISMO | Jan LAMMERS · Érik Comas · Andrea MonterminiJan Lammers Érik Comas Andrea Montermini | Nissan R390 GT1 | Nissan VRH35L 3.5L V8 twin turbo | 342 | Wikipedia contributors · CC BY-SA 4.0 |
| 1997 · 1997 24 Hours of Le Mans | DNF | 49 | LM-GT1 | GT1 Lotus Racing | Jan LAMMERS · Mike Hezemans · Alexander GrauJan Lammers Mike Hezemans Alexander Grau | Lotus Elise GT1 | Chevrolet LT5 6.0L V8 | 121 | Wikipedia contributors · CC BY-SA 4.0 |
| 1996 · 1996 24 Hours of Le Mans | 13 | 4 | LM P1/C90 | Courage Compétition | Mario Andretti · Jan LAMMERS · Derek WarwickMario Andretti Jan Lammers Derek Warwick | Courage C36 | Porsche 935/76 3.0L F6 twin turbo | 315 | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | 8 | 38 | Category 1 | / Toyota Team TOM'S GB | Geoff Lees · Jan LAMMERS · Juan Manuel Fangio IIGeoff Lees Jan Lammers Juan Manuel Fangio II | Toyota TS010 | Toyota RV10 3.5L V10 | 353 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | 8 | 8 | Category 1 | Toyota Team TOM'S GB | Jan LAMMERS · Andy Wallace · Teo FabiJan Lammers Andy Wallace Teo Fabi | Toyota TS010 | Toyota RV10 3.5L V10 | 331 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · SWC 500 km Monza | retired | 8 | C1 | Toyota Team Tom's | Jan LAMMERS · Andy Wallace | Toyota TS010 | — | 25 | WSPR historical record |
| 1992 · SWC 500 km Silverstone | retired | 8 | C1 | Toyota Team Tom's | Jan LAMMERS · Andy Wallace | Toyota TS010 | — | 9 | WSPR historical record |
| 1992 · SWC 500 km Silverstone | source_section_running_in_practice | - | C1 | Toyota Team Tom's | Geoff Lees · Jan LAMMERS | Toyota TS010 | — | | WSPR historical record |
| 1992 · SWC 500 km Donington | retired | 8 | C1 | Toyota Team Tom's | Jan LAMMERS · Andy Wallace | Toyota TS010 | — | 85 | WSPR historical record |
| 1992 · SWC 500 km Donington | source_section_running_in_practice | 7T | | Toyota Team Tom's | Geoff Lees · Jan LAMMERS | Toyota TS010 | — | | WSPR historical record |
| 1992 · SWC Suzuka 1000 km | 2 | 7 | C1 | Toyota Team Tom's | Jan LAMMERS · Geoff Lees · David Brabham | Toyota TS010 | — | 170 | WSPR historical record |
| 1992 · SWC 500 km Magny Cours | 3 | 7 | 3. C1 | Toyota Team Tom's | Geoff Lees · Jan LAMMERS | Toyota TS010 | — | 114 | WSPR historical record |
| 1990 · 1990 24 Hours of Le Mans | 2 | 2 | Gr.C1 | Silk Cut Jaguar Team Tom Walkinshaw Racing | Jan LAMMERS · Andy Wallace · Franz KonradJan Lammers Andy Wallace Franz Konrad | Jaguar XJR-12LM | Jaguar 7.0L V12 | 355 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · FIA WSPC - Fuji Film Cup, Suzuka Circuit | retired | 4 | 2 | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 44 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | 4 | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 82 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | 2 | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 100 | WSPR historical record |
| 1990 · FIA WSPC - Coupes de Spa, Spa Francorchamps | 2 | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 70 | WSPR historical record |
| 1990 · FIA WSPC, Dijon-Prenios | 4 | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 125 | WSPR historical record |
| 1990 · FIA WSPC, Dijon-Prenios | source_section_running_in_practice | 3T | | Silk Cut Jaguar | Martin Brundle · Andy Wallace · Jan LAMMERS | Jaguar XJR-11 | — | | WSPR historical record |
| 1990 · FIA WSPC - ADAC Sportwagen WM, Nürburgring | 4 | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 105 | WSPR historical record |
| 1990 · FIA WSPC - Shell Donington Trophy | disqualified | 4 | | Silk Cut Jaguar | Jan LAMMERS · Andy Wallace | Jaguar XJR-11 | — | 117 | WSPR historical record |
| 1990 · FIA WSPC Mondial Players Ltd., Montreal | 15 | 3 | | Silk Cut Jaguar | Martin Brundle · Jan LAMMERS | Jaguar XJR-11 | — | 58 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Hermanos Rodriguez, Mexico | retired | 3 | | Silk Cut Jaguar | Martin Brundle · Jan LAMMERS | Jaguar XJR-11 | — | 46 | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | 4 | 1 | Gr.C1 | Silk Cut Jaguar Team Tom Walkinshaw Racing | Jan LAMMERS · Patrick Tambay · Andrew Gilbert-ScottJan Lammers Patrick Tambay Andrew Gilbert-Scott | Jaguar XJR-9 LM | Jaguar 7.0L V12 | 381 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · WSPC Suzuka | retired | 1 | C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-9 | — | 80 | WSPR historical record |
| 1989 · Coupe de Dijon, Dijon-Prenios | retired | 1 | C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-9 | — | 125 | WSPR historical record |
| 1989 · II Trofeo Repsol, Jarama | 2 | 1 | C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-9 | — | 144 | WSPR historical record |
| 1989 · Brands Hatch Trophy | 5 | 1 | 5. C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-11 | — | 111 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | 10 | 1 | 0. C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-11 | — | 103 | WSPR historical record |
| 1989 · Wheatcroft Gold Cup, Donington | retired | 1 | C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-11 | — | 45 | WSPR historical record |
| 1989 · Coupes de Spa, Spa-Francorchamps | retired | 1 | C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-11 | — | 16 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | 6 | 1 | 6. C1 | Silk Cut Jaguar | Jan LAMMERS · Patrick Tambay | Jaguar XJR-9 | — | 108 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | 1 | 2 | Gr.C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries · Andy WallaceJan Lammers Johnny Dumfries Andy Wallace | Jaguar XJR-9 LM | Jaguar 7.0L V12 | 394 | Wikipedia contributors · CC BY-SA 4.0 |
| 1988 · 800 km Jerez | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 132 | WSPR historical record |
| 1988 · Fuji 1000 Kilometres, Fuji Speedway | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries · Martin Brundle | Jaguar XJR-9 | — | 35 | WSPR historical record |
| 1988 · 360 km Sandown Park | 4 | 2 | 4. C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 92 | WSPR historical record |
| 1988 · 360 km Jarama | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 96 | WSPR historical record |
| 1988 · 1000 km Monza | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 114 | WSPR historical record |
| 1988 · Autosport 1000 Kilometres, Silverstone | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 204 | WSPR historical record |
| 1988 · Grand Prix ČSSR, Automodrom Brno | 3 | 2 | 3. C1 | Jaguar Silk Cut | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 67 | WSPR historical record |
| 1988 · 1000 km Brands Hatch | retired | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 212 | WSPR historical record |
| 1988 · ADAC 1000 km Nürburgring | 8 | 2 | 8. C1 | Silk Cut Jaguar | Jan LAMMERS · Johnny Dumfries | Jaguar XJR-9 | — | 186 | WSPR historical record |
| 1988 · 1000 km Spa | 2 | 2 | C1 | Silk Cut Jaguar | Jan LAMMERS · Martin Brundle · DNS - Johnny Dumfries | Jaguar XJR-9 | — | 142 | WSPR historical record |
| 1987 · 1987 24 Hours of Le Mans | 5 | 4 | Gr.C1 | Silk Cut Jaguar | Eddie Cheever · Raul Boesel · Jan LAMMERSEddie Cheever Raul Boesel Jan Lammers | Jaguar XJR-8 LM | Jaguar 7.0L V12 | 239 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · 1987 24 Hours of Le Mans | DNF | 5 | Gr.C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson · Win PercyJan Lammers John Watson Win Percy | Jaguar XJR-8LM | Jaguar 7.0L V12 | 158 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · Grand Premio Fortuna, Jarama | 1 | 5 | 1. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 109 | WSPR historical record |
| 1987 · Mount Fuji 1000 Kilometres | 1 | 5 | 1. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 224 | WSPR historical record |
| 1987 · 1000 km Jerez | retired | 5 | C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 65 | WSPR historical record |
| 1987 · 1000 km Monza | 1 | 5 | 1. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 173 | WSPR historical record |
| 1987 · Autoglass 1000 Kilometres Silverstone | 2 | 5 | 2. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 210 | WSPR historical record |
| 1987 · Autoglass 1000 Kilometres Silverstone | source_section_running_in_practice | 4T | | Silk Cut Jaguar | Jan LAMMERS | Jaguar XJR-8 | — | | WSPR historical record |
| 1987 · 200 Meilen von Nürnberg - Int. ADAC-Norisring-Trophäe | retired | 5 | | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 42 | WSPR historical record |
| 1987 · Shell Gemini 1000 Kilometres Brands Hatch | 3 | 5 | 3. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 229 | WSPR historical record |
| 1987 · Int. ADAC-1000-km-Rennen, Nürburgring | retired | 5 | C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 28 | WSPR historical record |
| 1987 · Kouros 1000 km Spa | 2 | 5 | 2. C1 | Silk Cut Jaguar | Jan LAMMERS · John Watson | Jaguar XJR-8 | — | 141 | WSPR historical record |
| 1986 · Trofeo Silk Cut, Jerez | 3 | 52 | 3. C1 | Silk Cut Jaguar | Derek Warwick · Jan LAMMERS | Jaguar XJR-6 | — | 84 | WSPR historical record |
| 1986 · ADAC Kouros 1000 km Nürburgring | retired | 53 | C1 | Silk Cut Jaguar | Derek Warwick · Jan LAMMERS · Gianfranco Brancatelli | Jaguar XJR-6 | — | 92 | WSPR historical record |
| 1986 · ADAC Kouros 1000 km Nürburgring | did_not_start | 52 | C1 | Silk Cut Jaguar | Derek Warwick · Jan LAMMERS | Jaguar XJR-6 | — | | WSPR historical record |
| 1986 · Kouros 1000 Kilometres Spa | 2 | 52 | 2. C1 | Silk Cut Jaguar | Derek Warwick · Jan LAMMERS | Jaguar XJR-6 | — | 145 | WSPR historical record |
| 1986 · Kouros 1000 Kilometres Spa | source_section_running_in_practice | 651 | C1 | Silk Cut Jaguar | Derek Warwick · Eddie Cheever · Jan LAMMERS | Jaguar XJR-6 | — | | WSPR historical record |
| 1986 · Mount Fuji 1000 Kilometres, Fuji Speedway | 17 | 52 | C1 | Silk Cut Jaguar Cars | Jan LAMMERS · Gianfranco Brancatelli · Jean-Louis Schlesser | Jaguar XJR-6 | — | 211 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | DNA | 16 | Gr.C1 | Canon Racing Richard Lloyd Racing GTi Engineering | Jan LAMMERSJonathan Palmer Jan Lammers | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · Malaysia 800 Selangor, Shah Alam | 2 | 51 | 2. C1 | TWR Jaguar | Mike Thackwell · John Nielsen · Jan LAMMERS | Jaguar XJR-6 | — | 217 | WSPR historical record |
| 1985 · Malaysia 800 Selangor, Shah Alam | retired | 52 | C1 | TWR Jaguar | Jan LAMMERS · Gianfranco Brancatelli | Jaguar XJR-6 | — | 19 | WSPR historical record |
| 1985 · Trofeo Filippo Caracciolo, Monza | 5 | 14 | 5. C1 | GTi Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 134 | WSPR historical record |
| 1985 · Silverstone 1000 Kilometres | 5 | 14 | 5. C1 | Richard Lloyd Racing with P | Jonathan Palmer · Jan LAMMERS | Porsche 956 GTi | — | 207 | WSPR historical record |
| 1985 · 1000 km Brands Hatch | retired | 52 | C1 | TWR Jaguar | Hans Heyer · Jan LAMMERS | Jaguar XJR-6 | — | 77 | WSPR historical record |
| 1984 · 1984 24 Hours of Le Mans | DNF | 14 | Gr.C1 | Canon Racing Richard Lloyd Racing GTi Engineering | Jonathan Palmer · Jan LAMMERSJonathan Palmer Jan Lammers | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 239 | Wikipedia contributors · CC BY-SA 4.0 |
| 1984 · Trofeo Filippo Caracciolo, Monza | 5 | 14 | C1 | GTi Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 159 | WSPR historical record |
| 1984 · Sandown Park 1000 Kilometres | 3 | 14 | C1 | RLR/GTI Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 GTi | — | 202 | WSPR historical record |
| 1984 · Grand Prix International 1000 Kilometres, Silverstone | 5 | 14 | 5. C1 | GTi Enginnering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 203 | WSPR historical record |
| 1984 · ADAC 1000 Kilometres, Nürburgring | 4 | 14 | 4. C1 | Canon Racing - GTI Engineer | Jonathan Palmer · Jan LAMMERS · Christian Danner | Porsche 956 | — | 205 | WSPR historical record |
| 1984 · British Aerospace 1000 Kilometres, Brands Hatch | 1 | 14 | 1. C1 | GTi Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 238 | WSPR historical record |
| 1984 · Rothmans Spa 1000 Kilometres, Spa | retired | 14 | C1 | GTi Engineering | Jan LAMMERS · Jonathan Palmer | Porsche 956 | — | 5 | WSPR historical record |
| 1984 · 1000 Kilometres di Imola | 2 | 14 | 2. C1 | GTi Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 199 | WSPR historical record |
| 1984 · Mount Fuji 1000 Kilometres | 9 | 14 | 7. C1 | GTi Engineering | Jonathan Palmer · Jan LAMMERS | Porsche 956 | — | 204 | WSPR historical record |
| 1983 · 1983 24 Hours of Le Mans | 8 | 14 | Gr.C | Canon Racing Richard Lloyd Racing | Richard Lloyd · Jonathan Palmer · Jan LAMMERSRichard Lloyd Jonathan Palmer Jan Lammers | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 340 | Wikipedia contributors · CC BY-SA 4.0 |
| 1983 · Trofeo Filippo Caracciolo, Monza | 6 | 14 | 6. C | Richard Lloyd Racing | Jan LAMMERS · Tiff Needell · Richard Lloyd | Porsche 956 | — | 161 | WSPR historical record |
| 1983 · Grand Prix International 1000 Kilometres, Silverstone | 3 | 14 | 3. C | Richard Lloyd Racing | Jan LAMMERS · Richard Lloyd · Thierry Boutsen | Porsche 956 | — | 205 | WSPR historical record |
| 1983 · Bitburger Pils ADAC 1000 Kilometres, Nürburgring | 3 | 14 | 3. C | Richard Lloyd Racing | Keke Rosberg · Jan LAMMERS · Jonathan Palmer | Porsche 956 | — | 43 | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | 9 | 14 | 9. C | Richard Lloyd Racing | Jan LAMMERS · Thierry Boutsen | Porsche 956 | — | 127 | WSPR historical record |
| 1983 · Mount Fuji 1000 Kilometres | entry_only | 14 | C | Richard Lloyd Racing | Jan LAMMERS · Jonathan Palmer | Porsche 956 | — | | WSPR historical record |
| 1983 · Castrol 1000 km Kyalami | 5 | 14 | 5. C | Richard Lloyd Racing | Jan LAMMERS · Jonathan Palmer | Porsche 956 | — | 225 | WSPR historical record |
| 1979 · 25th 1000 km Nürburgring | retired | 20 | Gr.5 | Zakspeed Racing | Hans Heyer · Jan LAMMERS | Ford Capri Turbo | — | 23 | WSPR historical record |