| 1979 · Rivet Supply 6 Hours, Silverstone | entry_only | 5 | Gr.5 | Kremer Racing | Klaus Ludwig · Toine Hezemans · Axel Plankenhorn | Porsche 935 K3 | — | | WSPR historical record |
| 1978 · 1978 24 Hours of Le Mans | DNF | 47 | Gr.5 SP | Weisberg Gelo Team | John Fitzpatrick · Toine HezemansJohn Fitzpatrick Toine Hezemans | Porsche 935-77 | Porsche 3.0L F6 turbo | 19 | Wikipedia contributors · CC BY-SA 4.0 |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 1 | 99 | 1. GTX | Brumos Porsche | Rolf Stommelen · Toine Hezemans · Peter Gregg | Porsche 9 | — | 680 | WSPR historical record |
| 1978 · 6 h Mugello | 1 | 12 | 1. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick · DNS - Klaus Ludwig | Porsche 935/77 | — | 176 | WSPR historical record |
| 1978 · 6 h Mugello | 9 | 11 | 9. Gr.5 | Gelo Racing Team | John Fitzpatrick · Klaus Ludwig · Toine Hezemans | Porsche 935/77 | — | 157 | WSPR historical record |
| 1978 · 6 h Dijon | 2 | 5 | 2. Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · Toine Hezemans | Porsche 935/77 | — | 166 | WSPR historical record |
| 1978 · 6 h Dijon | retired | 6 | Gr.5 | Gelo Racing Team | Toine Hezemans · Klaus Ludwig | Porsche 935/77 | — | 101 | WSPR historical record |
| 1978 · 6 h Silverstone | 16 | 5 | 0. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick | Porsche 935/77 | — | 178 | WSPR historical record |
| 1978 · 6 h Silverstone | retired | 4 | Gr.5 | Gelo Racing Team | John Fitzpatrick · Toine Hezemans | Porsche 935/77 | — | 95 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 1 | 3 | 1. Gr.5 | Gelo Racing Team | Klaus Ludwig · Hans Heyer · Toine Hezemans · DNS - Derek Bell | Porsche 935/77 | — | 44 | WSPR historical record |
| 1978 · 1000 km Nürburgring | retired | 1 | Gr.5 | Gelo Racing Team | Toine Hezemans · Klaus Ludwig · John Fitzpatrick | Porsche 935/77 | — | 22 | WSPR historical record |
| 1978 · 1000 km Nürburgring | retired | 2 | Gr.5 | Gelo Racing Team | John Fitzpatrick · Hans Heyer · Toine Hezemans | Porsche 935/77A | — | 7 | WSPR historical record |
| 1978 · Misano 6 Hours | retired | 6 | Gr.5 | Gelo Racing Team | Toine Hezemans · Klaus Ludwig · John Fitzpatrick | Porsche 935/77A | — | 137 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 1 | 30 | 1. Gr.5 | Weisberg Gelo | Toine Hezemans · John Fitzpatrick · Peter Gregg | Porsche 935/77 | — | 146 | WSPR historical record |
| 1978 · 6 h Vallelunga | 2 | 8 | 2. Gr.5 | Gelo Racing Team | Toine Hezemans · Hans Heyer · John Fitzpatrick · DNS - Klaus Ludwig | Porsche 935/77 | — | 267 | WSPR historical record |
| 1978 · 6 h Vallelunga | 3 | 9 | 3. Gr.5 | Gelo Racing Team | Klaus Ludwig · John Fitzpatrick · Toine Hezemans · DNS - Hans Heyer | Porsche 935/77 | — | 266 | WSPR historical record |
| 1977 · 1977 24 Hours of Le Mans | DNF | 38 | Gr.5 SP | Gelo Racing Team | Klaus Ludwig · Toine Hezemans · Hans HeyerKlaus Ludwig Toine Hezemans Hans Heyer | Porsche 935 | Porsche Type-935 2.9L F6 turbo | 15 | Wikipedia contributors · CC BY-SA 4.0 |
| 1977 · 1977 24 Hours of Le Mans | DNF | 39 | Gr.5 SP | Gelo Racing Team | Klaus Ludwig · Tim Schenken · Hans Heyer · Toine HezemansKlaus Ludwig Tim Schenken Hans Heyer Toine Hezemans | Porsche 935 | Porsche 2.9L F6 turbo | 269 | Wikipedia contributors · CC BY-SA 4.0 |
| 1977 · Kosset 6 Hours, Silverstone | 3 | 6 | 3. Gr.5 | Gelo Racing Team | Rolf Stommelen · Toine Hezemans | Porsche 935 | — | 223 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | 1 | 3 | 1. Gr.5 | Gelo Racing Team | Tim Schenken · Rolf Stommelen · Toine Hezemans · DNS - Derek Bell | Porsche 935 | — | 44 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | retired | 2 | Gr.5 | Gelo Racing Team | Rolf Stommelen · Toine Hezemans · DNS - Tim Schenken | Porsche 935 | — | 5 | WSPR historical record |
| 1977 · Rivet Supply 6 Hours, Brands Hatch | entry_only | - | Gr.5 | Gelo Racing Team | Rolf Stommelen · Toine Hezemans | Porsche 935 | — | | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | 11 | 3 | 8. Gr.5 | Gelo Racing | Tim Schenken · Hans Heyer · Rolf Stommelen · Toine Hezemans | Porsche 935 | — | 146 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | retired | 2 | Gr.5 | Gelo Racing | Rolf Stommelen · Toine Hezemans | Porsche 935 | — | 124 | WSPR historical record |
| 1976 · 1976 24 Hours of Le Mans | 16 | 57 | Gp.4 GT | Gelo Racing Team | Tim Schenken · Toine HezemansTim Schenken Toine Hezemans | Porsche 934 | Porsche 3.0L F6 turbo | 277 | Wikipedia contributors · CC BY-SA 4.0 |
| 1976 · March Trophy, Mugello 6 Hours | retired | 19 | GT | Gelo Racing/Tebernum | Toine Hezemans · Clemens Schickentanz | Porsche 934 Tu | — | 60 | WSPR historical record |
| 1976 · ADAC-Goodyear-Pokal, 300 Kilometres Nürburgring | 2 | 51 | 1. GT+3.0 | Gelo Racing Team | Toine Hezemans | Porsche 934 Tu | — | 11 | WSPR historical record |
| 1976 · World Championship of Maker, 6 Hours of Silverstone | entry_only | 12 | GT | Gelo Racing Team | Toine Hezemans · Clemens Schickentanz | Porsche Carrera RSR | — | | WSPR historical record |
| 1976 · ADAC 1000 Kilometres, Nürburgring | 2 | 6 | 2. Gr.5 | Gelo Racing Team | Toine Hezemans · Tim Schenken | Porsche 934/5 | — | 47 | WSPR historical record |
| 1976 · ADAC 1000 Kilometres, Nürburgring | entry_only | 21 | GT | Gelo Racing Team | Tim Schenken · Toine Hezemans | Porsche 934 | — | | WSPR historical record |
| 1976 · 6 Hours of Watkins Glen World Championship of Makes and SCCA Trans-Am Championship | 2 | 6 | 2. Gr.5 | Egon Evertz K.G. | Leo Kinnunen · Toine Hezemans · Egon Evertz | Porsche 934/5 | — | 173 | WSPR historical record |
| 1976 · ACF 6 Hours Dijon | entry_only | 17 | Gr.5 | Gelo Racing Team | Toine Hezemans · Tim Schenken | Porsche 934/5 Turbo | — | | 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 · 1975 24 Hours of Le Mans | DNF | 60 | GTS | Gelo Racing Team | Toine Hezemans · Manfred SchurtiToine Hezemans Manfred Schurti | Porsche 911 Carrera RSR | Porsche 3.0L F6 | 41 | Wikipedia contributors · CC BY-SA 4.0 |
| 1975 · 1000 km Mugello (150 laps) | 9 | 44 | 1. GT | Gelo Racing Team | Manfred Schurti · Toine Hezemans · John Fitzpatrick · DNS - Franz Pesch · DNS - Georg Loos | Porsche Carrera RSR | — | 134 | WSPR historical record |
| 1975 · 1000 km Mugello (150 laps) | 11 | 45 | 3. GT | Gelo Racing Team | John Fitzpatrick · Toine Hezemans · Manfred Schurti | Porsche Carrera RSR | — | 133 | WSPR historical record |
| 1975 · 800 km Dijon | 5 | 33 | 1. GT | Gelo Racing Team | John Fitzpatrick · Toine Hezemans | Porsche Carrera RSR | — | 220 | WSPR historical record |
| 1975 · Trofeo F. Carraciolo, Monza | 6 | 77 | 5. S3.0 | Gelo Racing Team | Toine Hezemans · Manfred Schurti · John Fitzpatrick | Porsche Carrera RSR | — | 159 | WSPR historical record |
| 1975 · Trofeo F. Carraciolo, Monza | 7 | 78 | 6. S3.0 | Gelo Racing Team | John Fitzpatrick · Toine Hezemans · Manfred Schurti | Porsche Carrera RSR | — | 158 | WSPR historical record |
| 1975 · Spa 1000 Kilometres, Spa-Francorchamps | 9 | 45 | 5. GT | Gelo Racing Team | Toine Hezemans · Tim Schenken · John Fitzpatrick · DNS - Manfred Schurti | Porsche Carrera RSR | — | 47 | WSPR historical record |
| 1975 · Coppa Florio, Enna-Pergusa | entry_only | - | GT | — | Toine Hezemans · John Fitzpatrick | Porsche Carrera RSR | — | | WSPR historical record |
| 1975 · 1000 km Nürburgring | 9 | 51 | 2. GT+1.6 | Gelo Racing Team | John Fitzpatrick · Toine Hezemans · Manfred Schurti | Porsche Carrera RS | — | 40 | 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 · 6 h Kyalami | 5 | 22 | 1. T | Ford Germany | Jochen Mass · Toine Hezemans | Ford Capri RS | — | 215 | WSPR historical record |
| 1974 · 1000-km-Rennen Nürburgring | 11 | 73 | 1. T+2.0 | Ford Germany | Dieter Glemser · Toine Hezemans | Ford Capri RS 3.4 | — | 29 | WSPR historical record |
| 1974 · Brands Hatch BA 1000 Kilometres | 11 | 55 | 1. GT | Gelo Racing | John Fitzpatrick · Toine Hezemans · Manfred Schurti | Porsche Carrer | — | 200 | WSPR historical record |
| 1974 · Brands Hatch BA 1000 Kilometres | retired | 53 | GT | Gelo Racing | Toine Hezemans · Clemens Schickentanz - DND · John Fitzpatrick | Porsche Carrera RSR | — | 44 | WSPR historical record |
| 1973 · 1973 24 Hours of Le Mans | 11 | 51 | TS 5.0 | BMW Motorsport | Toine Hezemans · Dieter QuesterToine Hezemans Dieter Quester | BMW 3.0 CSL | BMW 3.3L S6 | 307 | Wikipedia contributors · CC BY-SA 4.0 |
| 1973 · Monza 1000 Kilometres | entry_only | 29 | S2.0 | Trivellato | Toine Hezemans · Dieter Quester | March 73S BMW | — | | WSPR historical record |
| 1973 · ADAC 1000 Kilometres, Nürburgring | 9 | 69 | 1. T+3.0 | BMW Motorsport GmbH | Toine Hezemans · Dieter Quester | BMW 3.0 CSL | — | 38 | WSPR historical record |
| 1972 · Buenos Aires 1000 Kilometres | retired | 6 | S3.0 2 | todelta SpA 7 | Toine Hezemans · Rolf Stommelen | Alfa Romeo 33TT3 ASK US Au | — | 1 Pu | WSPR historical record |
| 1972 · Austrian 1000 Kilometres, Zeltweg | 5 | 16 | 1. S2.0 | Dieter Quester | Rolf Stommelen · Toine Hezemans | Chevron B21 BMW | — | 164 | WSPR historical record |
| 1972 · Sebring 12 Hours | 3 | 33 | 3. S3.0 | US Autodelta SpA | Nino Vaccarella · Toine Hezemans | Alfa Romeo 33TT3 ASK | — | 2 | WSPR historical record |
| 1972 · BOAC 1000 Kilometres, Brands Hatch | retired | 21 | S2.0 | Abarth Corse | Arturo Merzario · Toine Hezemans | Abarth Osella SE-021 | — | 16 | WSPR historical record |
| 1972 · Targa Florio | 3 | 4 | 3. S3.0 | Autodelta SpA | Andrea de Adamich · Toine Hezemans | Alfa Romeo 33TT3 | — | 11 | WSPR historical record |
| 1972 · ADAC 1000 Kilometres, Nürburgring | did_not_start | 5 | S3.0 | Autodelta SpA | Helmut Marko · Toine Hezemans | Alfa Romeo 33TT3 | — | | WSPR historical record |
| 1971 · Buenos Aires 1000 Kilometres | did_not_start | 12 | P3.0 | Autodelta SpA | Emerson FITTIPALDI · Toine Hezemans | Alfa Romeo T33/3 | — | | WSPR historical record |
| 1971 · Austrian 1000 Kilometres, Zeltweg | 2 | 3 | 1. P3.0 | Autodelta SpA | Toine Hezemans · Nino Vaccarella | Alfa Romeo T33/3 | — | 168 | WSPR historical record |
| 1971 · Sebring 12 Hours | 52 | 34 | P3.0 | Autodelta SpA | Nino Vaccarella · Toine Hezemans | Alfa Romeo T33/3 | — | 27 | WSPR historical record |
| 1971 · BOAC 1000 Kilometres, Brands Hatch | 16 | 55 | P3.0 | Autodelta SpA | Rolf Stommelen · Toine Hezemans | Alfa Romeo T33/3 | — | 183 | WSPR historical record |
| 1971 · Trofeo Filippo Caracciolo, Monza 1000 Kilometres | 4 | 19T | 2. P3.0 | Autodelta SpA | Rolf Stommelen · Toine Hezemans | Alfa Romeo T33/3 | — | 167 | WSPR historical record |
| 1971 · Trofeo Filippo Caracciolo, Monza 1000 Kilometres | 5 | 16 | 3. P3.0 | Autodelta SpA | Toine Hezemans · Nino Vaccarella · Rolf Stommelen | Alfa Romeo T33/3 | — | 166 | WSPR historical record |
| 1971 · Targa Florio | 1 | 5 | 1. P3.0 | Autodelta SpA | Nino Vaccarella · Toine Hezemans | Alfa Romeo T33/3 | — | 11 | 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 · ADAC 1000 Kilometres, Nürburgring | 5 | 12 | 5. P3.0 | Autodelta S.P.A. | Toine Hezemans · Nino Vaccarella | Alfa Romeo T33/3 | — | 42 | WSPR historical record |
| 1971 · ADAC 1000 Kilometres, Nürburgring | source_section_running_in_practice | 12T | P3.0 | Autodelta S.P.A. | Toine Hezemans · Nino Vaccarella | Alfa Romeo T33/3 | — | | WSPR historical record |
| 1970 · 1970 24 Hours of Le Mans | DNF | 37 | P 3.0 | Autodelta SpA | Toine Hezemans · Masten GregoryToine Hezemans Masten Gregory | Alfa Romeo T33/3 | Alfa Romeo 3.0L V8 | 5 | Wikipedia contributors · CC BY-SA 4.0 |
| 1970 · Ausrian 1000 Kilometres, Zeltweg | disqualified | 2 | P3.0 | Autodelta SpA | Toine Hezemans · Masten Gregory | Alfa Romeo T33/3-71 | — | | WSPR historical record |
| 1970 · Sebring 12 Hours | 3 | 33 | 2. P3.0 | Autodelta SpA | Toine Hezemans · Masten Gregory | Alfa Romeo T33/3 | — | 247 | WSPR historical record |
| 1970 · 1000 km Monza | 18 | 39 | P3.0 | Autodelta SpA | Masten Gregory · Toine Hezemans | Alfa Romeo T33/3 | — | 131 | WSPR historical record |
| 1970 · Targa Florio | retired | 14 | P3.0 | Autodelta SpA | Toine Hezemans · Masten Gregory | Alfa Romeo T33/3 | — | 5 | WSPR historical record |
| 1970 · 1000 km Nürburgring | entry_only | 7 | P3.0 | Autodelta SpA | Masten Gregory · Toine Hezemans | Alfa Romeo T33/3 | — | | 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 · ADAC 1000 kilometres Nürburgring | did_not_start | 44 | P1.6 | Abarth-Osella | Toine Hezemans · Erich Bitter · Dieter Quester | Abarth 1300SP | — | | WSPR historical record |
| 1967 · Ollon-Villars, Swiss Mountain Grand Prix | 13 | 148 | 1. S1.3 | Abarth | Toine Hezemans | Abarth 1300 OT | — | 2 | WSPR historical record |
| 1967 · Sports Car Grand Prix, Hockenheim | 1 | 3 | 1. S1.3 | Abarth | Toine Hezemans | Abarth 1300 OT | — | 45 | WSPR historical record |
| 1967 · GP Mugello, Circuito del Mugello | 11 | 90 | 1. S1.3 | — | Mauro Nesti · Ernst Furtmayr · Toine Hezemans | Abarth 1300 OT | — | 7 | WSPR historical record |
| 1967 · GP Mugello, Circuito del Mugello | retired | 85 | S1.3 | — | Achille Marzi · Toine Hezemans | Abarth 1300 OT | — | 3 | WSPR historical record |