| 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 | retired | 5 | Gr.5 | Gelo Racing Team | Tim Schenken · Derek Bell · DNS - Rolf Stommelen · DNS - Toine Hezemans | Porsche 935 | — | 61 | 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 · Hessen Preis, Hockenheim | 11 | 3 | 8. Gr.5 | Gelo Racing | Tim Schenken · Hans Heyer · Rolf Stommelen · Toine Hezemans | Porsche 935 | — | 146 | 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 | 6 | 18 | 2. GT | Gelo Racing | Tim Schenken · Rolf Stommelen | Porsche 934 Turbo | — | 155 | WSPR historical record |
| 1976 · ADAC-Goodyear-Pokal, 300 Kilometres Nürburgring | 7 | 52 | 3. GT+3.0 | Gelo Racing Team | Tim Schenken · DNS - Clemens Schickentanz | Porsche 934 Tu | — | 11 | WSPR historical record |
| 1976 · World Championship of Maker, 6 Hours of Silverstone | entry_only | 11 | GT | Gelo Racing Team | Tim Schenken | 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 · 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 | DNF | 59 | GTS | Gelo Racing Team | Tim Schenken · Howden GanleyTim Schenken Howden Ganley | Porsche 911 Carrera RSR | Porsche 3.0L F6 | 106 | Wikipedia contributors · CC BY-SA 4.0 |
| 1975 · 1000 km Mugello (150 laps) | retired | 14 | S3.0 | Gelo Racing Team | Jochen Mass · Tim Schenken | Gulf Mirage GR7 Ford | — | | WSPR historical record |
| 1975 · Trofeo F. Carraciolo, Monza | 20 | 8 | 9. S3.0 | Gelo Racing Team | Jochen Mass · Tim Schenken | Mirage GR7 Ford | — | 128 | WSPR historical record |
| 1975 · Spa 1000 Kilometres, Spa-Francorchamps | entry_only | 8 | S3.0 | Gelo Racing Team | Tim Schenken · Jochen Mass | Mirage GR7 Ford | — | | 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 · Spa 1000 Kilometres, Spa-Francorchamps | 11 | 44 | 6. GT | Gelo Racing Team | John Fitzpatrick · Manfred Schurti · Tim Schenken · DNS - Toine Hezemans | Porsche Carrera RSR | — | 45 | WSPR historical record |
| 1975 · Coppa Florio, Enna-Pergusa | entry_only | - | S3.0 | — | Tim Schenken · Hans-Joachim Stuck | Mirage GR7 Ford | — | | WSPR historical record |
| 1975 · 1000 km Nürburgring | 2 | 4 | 2. S3.0 | Gelo Racing Team | Howden Ganley · Tim Schenken | Mirage Gulf GR7 Ford | — | 44 | WSPR historical record |
| 1975 · 1000 km Zeltweg | entry_only | - | S3.0 | Gelo Racing Team | Tim Schenken · Howden Ganley | Mirage GR7 Ford | — | | WSPR historical record |
| 1974 · 6 h Kyalami | 6 | 20 | 1. GT | Gelo Racing | John Fitzpatrick · Rolf Stommelen · Tim Schenken · DNS - Georg Loos | Porsche Carrer | — | 214 | WSPR historical record |
| 1974 · 6 h Kyalami | 7 | 21 | 1. ser.GT | Gelo Racing | Rolf Stommelen · Tim Schenken · Georg Loos · DNS - John Fitzpatrick | Porsche Carrer | — | 212 | WSPR historical record |
| 1974 · 1000 km Zeltweg, Österreichring | 11 | 35 | 3. GT+2.0 | Gelo Racing | Georg Loos · Tim Schenken · DNS - Clemens Schickentanz | Porsche Carrera RSR | — | 145 | WSPR historical record |
| 1974 · 1000 km Le Castellet | 8 | 57 | 1. GT | Gelo Racing | Tim Schenken · Rolf Stommelen | Porsche Carrera RSR | — | 113 | WSPR historical record |
| 1973 · 1973 24 Hours of Le Mans | DNF | 17 | S 3.0 | SpA Ferrari SEFAC | Tim Schenken · Carlos ReutemannTim Schenken Carlos Reutemann | Ferrari 312PB -73 | Ferrari 3.0L F12 | 162 | Wikipedia contributors · CC BY-SA 4.0 |
| 1973 · Watkins Glen 6 Hours | retired | 12 | S3.0 | SpA Ferrari SEFAC | Tim Schenken · Carlos Reutemann · DNS - Jacky Ickx | Ferrari 312PB | — | 188 | WSPR historical record |
| 1973 · Vallelunga 6 Hours | 2 | 3 | 2. S3.0 | SpA Ferrari SEFAC | Tim Schenken · Carlos Reutemann | Ferrari 312PB | — | 290 | WSPR historical record |
| 1973 · Monza 1000 Kilometres | 2 | 3 | 2. S3.0 | SpA Ferrari SEFAC | Carlos Reutemann · Tim Schenken | Ferrari 312PB long | — | 171 | WSPR historical record |
| 1972 · Buenos Aires 1000 Kilometres | 1 | 30 | 1. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 168 | WSPR historical record |
| 1972 · Austrian 1000 Kilometres, Zeltweg | 3 | 2 | 3. S3.0 | SpA Ferrari SEFAC | Tim Schenken · Ronnie Peterson | Ferrari 312PB | — | 166 | WSPR historical record |
| 1972 · Watkins Glen 6 Hours | 2 | 86 | 2. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 195 | WSPR historical record |
| 1972 · Daytona 6 Hours | 2 | 6 | 2. S3.0 | SpA Ferrari SEFAC | Tim Schenken · Ronnie Peterson | Ferrari 312PB | — | 192 | WSPR historical record |
| 1972 · Sebring 12 Hours | 2 | 3 | 2. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 257 | WSPR historical record |
| 1972 · BOAC 1000 Kilometres, Brands Hatch | 2 | 10 | 2. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 234 | WSPR historical record |
| 1972 · Monza 1000 Kilometres | 3 | 2 | 3. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 165 | WSPR historical record |
| 1972 · Spa 1000 Kilometres | 12 | 2 | 5. S3.0 | SpA Ferrari SEFAC | Tim Schenken · Ronnie Peterson | Ferrari 312PB | — | 56 | WSPR historical record |
| 1972 · ADAC 1000 Kilometres, Nürburgring | 1 | 3 | 1. S3.0 | SpA Ferrari SEFAC | Ronnie Peterson · Tim Schenken | Ferrari 312PB | — | 44 | WSPR historical record |
| 1969 · Brands Hatch, BOAC 500 miles | did_not_start | 26 | S2.0 | Road & Racing Accessories L | Tim Schenken · John Fenning | Chevron B8 BMW | — | | WSPR historical record |
| 1968 · 1000 km Monza | retired | 38 | S5.0 | John Reaburn | John Raeburn · Tim Schenken | Ford GT40 | — | 7 | WSPR historical record |
| 1968 · 1000 km Spa | retired | 41 | S5.0 | Andy Cox | John Raeburn · Tim Schenken | Ford GT40 | — | 1 | WSPR historical record |