| 1976 · 1976 24 Hours of Le Mans | 1 | 20 | Gp.6 3.0 | Martini Racing Porsche System | Jacky Ickx · Gijs van LennepJacky Ickx Gijs van Lennep | Porsche 936 | Porsche 2.1L F6 turbo | 349 | Wikipedia contributors · CC BY-SA 4.0 |
| 1976 · ADAC 1000 Kilometres, Nürburgring | 5 | 3 | 4. Gr.5 | Jürgen Kannacher | Gijs van Lennep · Hartwig Bertrams | Porsche 934/5 | — | 45 | WSPR historical record |
| 1975 · 1975 24 Hours of Le Mans | 5 | 58 | GTS | Gelo Racing Team | Gijs van Lennep · John Fitzpatrick · Manfred Schurti · Toine HezemansGijs van Lennep John Fitzpatrick Manfred Schurti Toine Hezemans | Porsche 911 Carrera RSR | Porsche 3.0L F6 | 316 | Wikipedia contributors · CC BY-SA 4.0 |
| 1975 · 1000 km Mugello (150 laps) | 3 | 6 | 3. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche 908/3-6 Tu | — | 149 | WSPR historical record |
| 1975 · 1000 km Mugello (150 laps) | 16 | 7 | 7. S3.0 | Martini Racing Team | Leo Kinnunen · Herbert Müller · Gijs van Lennep | Porsche 908/3-6 Turbo | — | 120 | WSPR historical record |
| 1975 · 800 km Dijon | 9 | 7 | 5. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche 908/3 Turbo | — | 215 | WSPR historical record |
| 1975 · 1000 km Nürburgring | 11 | 52 | 3. GT+1.6 | Gelo Racing Team | Toine Hezemans · Gijs van Lennep · Claude Ballot-Léna | Porsche Carrer | — | 40 | WSPR historical record |
| 1974 · 1974 24 Hours of Le Mans | 2 | 22 | S 3.0 | Martini Racing Porsche System | Gijs van Lennep · Herbert MüllerGijs van Lennep Herbert Müller | Porsche 911 Carrera RSR Turbo | Porsche 2.1L F6 Turbo | 332 | Wikipedia contributors · CC BY-SA 4.0 |
| 1974 · 1000 km Monza | 5 | 8 | 5. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Ca | — | 165 | WSPR historical record |
| 1974 · 1000 km Spa | 3 | 14 | 3. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Ca | — | 66 | WSPR historical record |
| 1974 · 1000 km Spa | source_section_running_in_practice | 14T | S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Carrera RSR | — | | WSPR historical record |
| 1974 · 1000-km-Rennen Nürburgring | 6 | 8 | 6. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Ca | — | 30 | WSPR historical record |
| 1974 · 1000 km Imola | retired | 6 | S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 106 | WSPR historical record |
| 1974 · 1000 km Zeltweg, Österreichring | 6 | 7 | 6. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 151 | WSPR historical record |
| 1974 · 6 Hours of Watkins Glen World Championship of Makes and SCCA Trans-Am Championship | 2 | 9 | 2. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Ca | — | 184 | WSPR historical record |
| 1974 · 1000 km Le Castellet | 7 | 14 | 7. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Ca | — | 113 | WSPR historical record |
| 1974 · Brands Hatch BA 1000 Kilometres | 5 | 5 | 4. S3.0 | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Ca | — | 219 | WSPR historical record |
| 1973 · 1973 24 Hours of Le Mans | 4 | 46 | S 3.0 | Martini Racing Team | Herbert Müller · Gijs van LennepHerbert Müller Gijs van Lennep | Porsche 911 Carrera RSR | Porsche 2.8L F6 | 328 | Wikipedia contributors · CC BY-SA 4.0 |
| 1973 · Vallelunga 6 Hours | 8 | 8 | 2. GT | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 251 | WSPR historical record |
| 1973 · Dijon 1000 Kilometres | 9 | 26 | 1. GT | Martini Racing Team | Herbert Müller · Gijs van Lennep | Porsche Car | — | 266 | WSPR historical record |
| 1973 · Monza 1000 Kilometres | retired | 81 | S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 62 | WSPR historical record |
| 1973 · Spa 1000 Kilometres | 5 | 41 | 5. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 63 | WSPR historical record |
| 1973 · 57th Targa Florio | source_section_running_in_practice | T | GT+2.0 | Martini Racing | Gijs van Lennep · Herbert Müller | Porsche Carrera RS | — | | WSPR historical record |
| 1973 · 57th Targa Florio | 1 | 8 | 1. S3.0 | Martini Racing | Herbert Müller · Gijs van Lennep | Porsche Car | — | 11 | WSPR historical record |
| 1973 · ADAC 1000 Kilometres, Nürburgring | 5 | 6 | 4. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 40 | WSPR historical record |
| 1973 · Austrian 1000 Kilometres, Österreichring, Zeltweg | 8 | 7 | 8. S3.0 | Martini Racing Team | Gijs van Lennep · Herbert Müller | Porsche Car | — | 149 | WSPR historical record |
| 1972 · 1972 24 Hours of Le Mans | DNF | 8 | S 3.0 | Ecurie Bonnier | Jo Bonnier · Gijs van LennepJo Bonnier Gijs van Lennep | Lola T280 | Cosworth DFV 3.0L V8 | 213 | Wikipedia contributors · CC BY-SA 4.0 |
| 1972 · Austrian 1000 Kilometres, Zeltweg | retired | 7 | S3.0 | Gulf Racing Research | Derek Bell · Gijs van Lennep | Mirage M6 Ford | — | | WSPR historical record |
| 1972 · Watkins Glen 6 Hours | retired | 20 | S3.0 | Gulf Racing Research | Gijs van Lennep · Tony Adamowicz | Mirage M6 Ford | — | 141 | WSPR historical record |
| 1972 · Sebring 12 Hours | 50 | 7 | S3.0 | Gulf Racing Research | Derek Bell · Gijs van Lennep | Mirage M6 Ford | — | 48 | WSPR historical record |
| 1972 · BOAC 1000 Kilometres, Brands Hatch | not_classified | 5 | S3.0 | Gulf Racing Research | Derek Bell · Gijs van Lennep | Mirage M6 Ford | — | 117 | WSPR historical record |
| 1972 · Spa 1000 Kilometres | 4 | 7 | 3. S3.0 | Gulf Racing Research | Derek Bell · Gijs van Lennep | Mirage M6 Ford | — | 64 | WSPR historical record |
| 1972 · Targa Florio | retired | 2 | S3.0 | Autodelta SpA | Vic Elford · Gijs van Lennep | Alfa Romeo 33TT3 | — | 0 | WSPR historical record |
| 1972 · ADAC 1000 Kilometres, Nürburgring | 4 | 8 | 4. S3.0 | Gulf Racing Research | Derek Bell · Gijs van Lennep | Mirage M6 Ford | — | 42 | WSPR historical record |
| 1971 · 1971 24 Hours of Le Mans | 1 | 22 | S 5.0 | Martini International Racing Team | Gijs van Lennep · Helmut MarkoGijs van Lennep Helmut Marko | Porsche 917 K | Porsche 4.9L F12 | 397 | Wikipedia contributors · CC BY-SA 4.0 |
| 1971 · Buenos Aires 1000 Kilometres | retired | 36 | S | Martini International Racin | Helmut Marko · Gijs van Lennep | Porsche 917K | — | 2 | WSPR historical record |
| 1971 · Watkins Glen 6 Hours | 2 | 1 | 1. S | John Wyer Automotive Engine | Jo Siffert · Gijs van Lennep | Porsche 917K | — | 277 | WSPR historical record |
| 1971 · Watkins Glen 6 Hours | source_section_running_in_practice | T | S | John Wyer Automotive | Jo Siffert · Gijs van Lennep · Derek Bell · Richard Attwood | Porsche 917K | — | | WSPR historical record |
| 1971 · 24 h Daytona Beach | retired | 4 | S | Martini International Racin | Vic Elford · Gijs van Lennep | Porsche 917K | — | 274 | WSPR historical record |
| 1971 · BOAC 1000 Kilometres, Brands Hatch | 9 | 9 | 5. S5.0 | Martini International Racin | Gijs van Lennep · Gérard Larrousse · DNS - Brian Redman | Porsche 917K | — | 216 | WSPR historical record |
| 1971 · Trofeo Filippo Caracciolo, Monza 1000 Kilometres | retired | 4 | S5.0 | Martini International Racin | Helmut Marko · Gijs van Lennep | Porsche 917K | — | 60 | WSPR historical record |
| 1971 · Spa 1000 Kilometres | retired | 23 | S5.0 | Martini International Racin | Helmut Marko · Gijs van Lennep | Porsche 917K | — | 6 | WSPR historical record |
| 1971 · Targa Florio | source_section_running_in_practice | T | P3.0 | Autodelta SpA | Nino Vaccarella · Toine Hezemans · Andrea de Adamich · Gijs van Lennep | Alfa Romeo T33/3 | — | | WSPR historical record |
| 1971 · Targa Florio | entry_only | - | P3.0 | Martini International Racin | Gijs van Lennep · Leo Kinnunen | Porsche 908/03 | — | | WSPR historical record |
| 1971 · Targa Florio | 2 | 2 | 2. P3.0 | Autodelta SpA | Andrea de Adamich · Gijs van Lennep | Alfa Romeo T33/3 | — | 11 | WSPR historical record |
| 1971 · ADAC 1000 Kilometres, Nürburgring | 3 | 4 | 3. P3.0 | International Martini Racin | Gijs van Lennep · Helmut Marko | Porsche 908/03 | — | 44 | WSPR historical record |
| 1971 · ADAC 1000 Kilometres, Nürburgring | entry_only | 56 | S5.0 | International Martini Racin | Gijs van Lennep · Rudi Lins | Porsche 917 | — | | WSPR historical record |
| 1970 · 1970 24 Hours of Le Mans | DNF | 18 | S 5.0 | David Piper Autorace AAW Racing Team | David Piper · Gijs van LennepDavid Piper Gijs van Lennep | Porsche 917 K | Porsche 4.5L F12 | 112 | Wikipedia contributors · CC BY-SA 4.0 |
| 1970 · 24 h Daytona Beach | retired | 53 | P | Hans Laine | Hans Laine · Gijs van Lennep | Porsche 908/02 | — | 385 | WSPR historical record |
| 1970 · Sebring 12 Hours | 34 | 47 | P3.0 | Racing Team AAW | Hans Laine · Gijs van Lennep | Porsche 908/02 | — | 229 | WSPR historical record |
| 1970 · BOAC 1000 Kilometres, Brands Hatch | 4 | 57 | 1. P3.0 | Team AAW | Gijs van Lennep · Hans Laine | Porsche 908/02 | — | 227 | WSPR historical record |
| 1970 · 1000 km Monza | 11 | 12 | 8. S5.0 | Racing Team AAW | Hans Laine · Gijs van Lennep | Porsche 917K | — | 162 | WSPR historical record |
| 1970 · Targa Florio | 4 | 18 | 3. P3.0 | Team AAW | Gijs van Lennep · Hans Laine | Porsche 908/02 | — | 11 | WSPR historical record |
| 1970 · 1000 km Spa | 5 | 43 | 5. S5.0 | Racing Team AAW | Hans Laine · Gijs van Lennep | Porsche 917K | — | 68 | WSPR historical record |
| 1970 · 1000 km Nürburgring | did_not_start | 9 | P3.0 | Racing Team AAW | Gijs van Lennep · Hans Laine | Porsche 908/02 | — | | WSPR historical record |
| 1970 · Watkins Glen 6 Hours | 9 | 35 | 8. S5.0 | Martini International Racin | Gijs van Lennep · Gérard Larrousse | Porsche 917K | — | 260 | WSPR historical record |
| 1969 · Brands Hatch, BOAC 500 miles | 23 | 83 | P2.0 | S.R.T. Holland | Gijs van Lennep · Toine Hezemans | Abarth 2000S | — | 148 | WSPR historical record |
| 1969 · 1000 km Spa | 21 | 4 | 8. P3.0 | Societé Automobiles Alpine | Jean-Claude Andruet · Gijs van Lennep | Alpine A220/69 Renault | — | 54 | WSPR historical record |
| 1969 · ADAC 1000 kilometres Nürburgring | 39 | 34 | 7. P2.0 | Abarth-Osella | Johannes Ortner · Gijs van Lennep · DNS - Arturo Merzario · DNS - Erich Bitter | Abarth 2000SP | — | 27 | WSPR historical record |
| 1968 · 1968 24 Hours of Le Mans | DNA | 45 | P 2.0 | B. Pon (private entrant) | Ben Pon · Gijs van LennepBen Pon Gijs van Lennep | Porsche 910 | Porsche 1991cc F6 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1968 · BOAC 500, Brands Hatch | retired | 46 | P2.0 | Ben Pon | Gijs van Lennep · Ben Pon | Porsche 910 | — | 91 | WSPR historical record |
| 1968 · 1000 km Monza | retired | 15 | P2.0 | Ben Pon | Ben Pon · Gijs van Lennep | Porsche 910 | — | 40 | WSPR historical record |
| 1968 · 52nd Targa Florio, Piccolo Madonie | entry_only | 198 | P2.0 | Ben Pon | Ben Pon · Gijs van Lennep | Porsche 910 | — | | WSPR historical record |
| 1968 · 1000 km Nürburgring | entry_only | 83 | S2.0 | Ben Pon | Gijs van Lennep · Frans Lubin | Porsche 906 | — | | WSPR historical record |
| 1968 · 1000 km Spa | entry_only | 14 | S2.0 | Ben Pon | Ben Pon · Gijs van Lennep | Porsche 910 | — | | WSPR historical record |
| 1967 · 24 h Daytona | retired | 53 | P2.0 | Porsche System Engineering | Udo Schütz · Rolf Stommelen · Gijs van Lennep | Porsche 906 | — | 170 | WSPR historical record |
| 1967 · 12 h Sebring | 36 | 39 | P2.0 | Porsche System Engineering | Udo Schütz · Gijs van Lennep · Rolf Stommelen | Porsche 906 | — | 156 | WSPR historical record |
| 1967 · 1000 km Spa | did_not_start | 51 | S2.0 | Racing Team Holland | Ben Pon · Gijs van Lennep | Porsche 906 | — | | WSPR historical record |
| 1967 · GP Mugello, Circuito del Mugello | 3 | 30 | 1. P2.0 | Porsche System | Gijs van Lennep · Vic Elford | Porsche 911R | — | 8 | WSPR historical record |
| 1966 · Grand Prix Hockenheim | retired | 22 | S2.0 | Ben Pon | Gijs van Lennep | Porsche 906 | — | | WSPR historical record |
| 1966 · Austrian Sports Car Grand Prix, Zeltweg | 6 | 17 | 5. S2.0 | Ben Pon | Gijs van Lennep | Porsche 906 | — | 152 | WSPR historical record |
| 1966 · 1000 km Monza | entry_only | 34 | P2.0 | Ben Pon | David van Lennep · Gijs van Lennep | Porsche 906 | — | | WSPR historical record |
| 1966 · 1000 km Spa | entry_only | 56 | S2.0 | Racing Team Holland | Wim Loos · Gijs van Lennep | Porsche 906 | — | | WSPR historical record |
| 1966 · 1000 km Spa | 15 | 55 | 1. S2.0 | Racing Team Holland | Gijs van Lennep · David van Lennep | Porsche 906 | — | 51 | WSPR historical record |
| 1966 · ADAC - 1000 km Nürburgring | 7 | 60 | 1. S2.0 | Racing Team Holland | Gijs van Lennep · David van Lennep | Porsche 906 | — | 42 | WSPR historical record |