| 2003 · 2003 24 Hours of Le Mans | 43 DNF | 66 | GTS | Konrad Motorsport | Franz Konrad · Toni Seiler · Walter BrunFranz Konrad Toni Seiler Walter Brun | Saleen S7 -R | Ford 7.0L V8 | 91 | Wikipedia contributors · CC BY-SA 4.0 |
| 2002 · 2002 24 Hours of Le Mans | 26 | 66 | LMGTS | Konrad Motorsport | Terry Borcheller · Toni Seiler · Franz KonradTerry Borcheller Toni Seiler Franz Konrad | Saleen S7-R | Ford 6.9 L V8 | 266 | Wikipedia contributors · CC BY-SA 4.0 |
| 2001 · 2001 24 Hours of Le Mans | 18 | 60 | LMGTS | Saleen/Allen Speedlab | Franz Konrad · Oliver GAVIN · Terry BorchellerFranz Konrad Oliver Gavin Terry Borcheller | Saleen S7-R | Ford 6.9 L V8 | 246 | Wikipedia contributors · CC BY-SA 4.0 |
| 1999 · 1999 24 Hours of Le Mans | 18 | 64 | LM-GTS | Konrad Motorsport | Franz KonradFranz Konrad Peter Kitchak Charles Slater | Porsche 993 GT2 | Porsche M64/81 3.7L F6 twin turbo | 294 | Wikipedia contributors · CC BY-SA 4.0 |
| 1998 · 1998 24 Hours of Le Mans | DNF | 70 | LM-GT2 | Konrad Motorsport | Franz KonradFranz Konrad Larry Schumacher Nick Ham | Porsche 911 GT2 | Porsche M64/81 3.6L F6 twin turbo | 24 | Wikipedia contributors · CC BY-SA 4.0 |
| 1997 · 1997 24 Hours of Le Mans | DNF | 28 | LM-GT1 | Konrad Motorsport | Franz Konrad · Mauro BaldiFranz Konrad Mauro Baldi Robert Nearn | Porsche 911 GT1 | Porsche 9R1 3.2L F6 twin turbo | 138 | Wikipedia contributors · CC BY-SA 4.0 |
| 1996 · 1996 24 Hours of Le Mans | DNF | 37 | LM-GT1 | Konrad Motorsport | Franz KonradFranz Konrad Antonio de Azevedo Herrmann Wido Rössler | Porsche 911 GT2 Evo | Porsche M64/83 3.6L F6 twin turbo | 107 | Wikipedia contributors · CC BY-SA 4.0 |
| 1995 · 1995 24 Hours of Le Mans | DNF | 3 | LM-WSC* | Kremer Racing | Jürgen Lässig · Franz KonradJürgen Lässig Franz Konrad Antonio de Azevedo Herrmann | Kremer K8 | Porsche 935/76 3.0L F6 twin turbo | 163 | Wikipedia contributors · CC BY-SA 4.0 |
| 1994 · 1994 24 Hours of Le Mans | DNF | 33 | LM-GT1 | Konrad Motorsport Patrick Nève Racing (private entrant) | Franz KonradFranz Konrad Antônio Hermann de Azevedo Mike Sommer | Porsche 911 Turbo | Porsche M64 3.6L F6 twin turbo | 100 | Wikipedia contributors · CC BY-SA 4.0 |
| 1994 · 1994 24 Hours of Le Mans | Res | 71 | LM-GT2 | Konrad Motorsport | Franz KonradFranz Konrad | Porsche 911 Carrera RSR | Porsche M64 3.8L F6 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | 19 | 62 | Category 4 | Konrad Motorsport | Franz KonradFranz Konrad Jun Harada Antônio de Azevedo Hermann | Porsche 911 Carrera RSR | Porsche M64 3.8L F6 | 293 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | DNA | 11 | Category 1 | Konrad Motorsport | Franz KonradFranz Konrad | Konrad KM-011 | Lamborghini LE3512 3.5L V12 | | 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 | DNF | 21 | Category 2 | Konrad Motorsport | Franz Konrad · Anthony ReidFranz Konrad Anthony Reid Pierre-Alain Lombardi | Porsche 962C | Porsche 935 3.2L F6 twin turbo | 98 | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · 1991 24 Hours of Le Mans | DNS | 59 | Category 2 | Konrad Motorsport Joest Porsche Racing | Franz Konrad · Jürgen BarthFranz Konrad Jürgen Barth | Porsche 962C | Porsche 935 3.0L F6 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · FIA SWC - Trofeo Caracciola, Monza | retired | 21 | | Konrad-Motorsport | Stefan Johansson · Franz Konrad | Porsche 962C | — | 14 | WSPR historical record |
| 1991 · FIA SWC - Castrol BRDC Empire Trophy, Silverstone | retired | 21 | | Konrad Motorsport | Franz Konrad · Tiff Needell | Porsche 962C | — | 35 | WSPR historical record |
| 1991 · FIA SWC - ADAC Sportwagen WM, Nürburgring | 9 | 57 | | Konrad Motorsport | Harald Becker · Franz Konrad | Porsche 962C | — | 87 | WSPR historical record |
| 1991 · FIA SWC - ADAC Sportwagen WM, Nürburgring | did_not_qualify | 21 | | Konrad Motorsport | Franz Konrad · Stefan Johansson | Konrad KM-011 Lambor | — | | WSPR historical record |
| 1991 · FIA SWC Magny Cours | retired | 21 | | Konrad Motorsport | Stefan Johansson · Franz Konrad | Konrad KM 011 Lambor | — | 18 | WSPR historical record |
| 1991 · FIA SWC - Trofeo Mexico, Hermanos Rodriguez | retired | 21 | | Konrad Motorsport | Stefan Johansson · Franz Konrad | Konrad KM 011 Lambor | — | 36 | WSPR historical record |
| 1991 · FIA Sportscar World Championship in Autopolis | retired | 21 | 1 | Konrad Motorsport | Franz Konrad · Stefan Johansson | Konrad KM 011 Lambor | — | 24 | 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 | 19 | 32 | 2 | Konrad Motorsport | Franz Konrad · Jean-Louis Ricci | Porsche 962C | — | 75 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | retired | 32 | | Konrad Motorsport | Franz Konrad · Almo Coppelli | Porsche 962C | — | 7 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | 14 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 93 | WSPR historical record |
| 1990 · FIA WSPC - Coupes de Spa, Spa Francorchamps | 13 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 65 | WSPR historical record |
| 1990 · FIA WSPC, Dijon-Prenios | 20 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 116 | WSPR historical record |
| 1990 · FIA WSPC - ADAC Sportwagen WM, Nürburgring | 14 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 100 | WSPR historical record |
| 1990 · FIA WSPC - Shell Donington Trophy | 16 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 112 | WSPR historical record |
| 1990 · FIA WSPC Mondial Players Ltd., Montreal | 22 | 32 | | Konrad Motorsport | Franz Konrad · Harri Toivonen | Porsche 962C | — | 52 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Hermanos Rodriguez, Mexico | 12 | 32 | | Konrad Racing | Franz Konrad · Harri Toivonen | Porsche 962C | — | 102 | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | DNF | 27 | Gr.C1 | Repsol Brun Motorsport | Franz Konrad · Andrés VilariñoRudi Seher Franz Konrad Andrés Vilariño | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 81 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · 1989 24 Hours of Le Mans | DNA | 17 | Gr.C1 | Jochen Dauer Racing (private entrant) | Jochen Dauer · Franz KonradJochen Dauer Franz Konrad | Porsche 962C | Porsche ... L F6 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · WSPC Suzuka | 15 | 17 | 5. C1 | Dauer Racing | Jochen Dauer · Franz Konrad | Porsche 962C | — | 78 | WSPR historical record |
| 1989 · Coupe de Dijon, Dijon-Prenios | retired | 17 | C1 | Dauer Racing | Jochen Dauer · Franz Konrad | Porsche 962C | — | 93 | WSPR historical record |
| 1989 · Brands Hatch Trophy | 15 | 5 | 2. C1 | Repsol Brun Motorsport | Harald Huysman · Franz Konrad | Porsche 962C | — | 106 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | 6 | 16 | 6. C1 | Repsol Brun Motorsport | Oscar Larrauri · Franz Konrad | Porsche 962C | — | 104 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | 9 | 10 | 9. C1 | Porsche Kremer Racing | Manuel Reuter · Franz Konrad | Porsche 962CK6 | — | 106 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | 5 | 7 | Gr.C1 | Blaupunkt Joest Racing | David Hobbs · Didier Theys · Franz KonradDavid Hobbs Didier Theys Franz Konrad | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 380 | Wikipedia contributors · CC BY-SA 4.0 |
| 1988 · Grand Prix ČSSR, Automodrom Brno | 6 | 8 | 6. C1 | Blaupunkt Joest Racing | Franz Konrad · Jürgen Barth | Porsche 962C | — | 65 | WSPR historical record |
| 1988 · ADAC 1000 km Nürburgring | retired | 16 | C1 | Dauer Racing | Jochen Dauer · Franz Konrad | Porsche 962C | — | 84 | WSPR historical record |
| 1987 · 1987 24 Hours of Le Mans | 4 | 11 | Gr.C1 | Porsche Kremer Racing | George Fouché · Franz Konrad · Wayne TaylorGeorge Fouché Franz Konrad Wayne Taylor | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 327 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · Mount Fuji 1000 Kilometres | 12 | 10 | 0. C1 | Porsche Kremer Racing | George Fouché · Franz Konrad | Porsche 962C | — | 207 | WSPR historical record |
| 1987 · 200 Meilen von Nürnberg - Int. ADAC-Norisring-Trophäe | retired | 14 | | Mussato Action Car | Bruno Giacomelli · Franz Konrad | Lancia LC2/87 | — | 26 | WSPR historical record |
| 1986 · Kouros' 1000 km Silverstone | retired | 21 | GTP | RC Racing | Franz Konrad · David Leslie · Richard Cleare | March 85G Porsche | — | 40 | WSPR historical record |
| 1986 · 100 Meilen von Nürnberg, Norisring | 12 | 11 | 1. C1 | Porsche Kremer Racing | Franz Konrad | Porsche 956 | — | 73 | WSPR historical record |
| 1986 · Mount Fuji 1000 Kilometres, Fuji Speedway | 16 | 34 | C1 | Cara International Racing | Franz Konrad · Akio Morimoto | LM 06C Toyota | — | 211 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | 9 | 11 | Gr.C1 | Kenwood Kremer Racing | Jean-Pierre Jarier · Mike Thackwell · Franz KonradJean-Pierre Jarier Mike Thackwell Franz Konrad | Porsche 962C | Porsche 935/76 2.6L F6 twin turbo | 356 | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · Malaysia 800 Selangor, Shah Alam | 4 | 33 | 4. C1 | John Fitzpatrick Racing | Franz Konrad · Andrew Miedecke | Porsche 956 | — | 205 | WSPR historical record |
| 1985 · Duschfrish ADAC 1000 Kilometres, Hockenheim | retired | 8 | C1 | Joest Racing | "John Winter" · Franz Konrad · DNS - Jürgen Weiler | Porsche 956 | — | 55 | WSPR historical record |
| 1984 · Sandown Park 1000 Kilometres | 9 | 55 | C1 | John Fitzpatrick Racing | Rupert Keegan · Franz Konrad | Porsche 956 | — | 194 | WSPR historical record |
| 1984 · Grand Prix International 1000 Kilometres, Silverstone | 6 | 11 | 6. C1 | Porsche Kremer Racing | Franz Konrad · David Sutherland | Porsche 956 | — | 202 | WSPR historical record |
| 1984 · ADAC 1000 Kilometres, Nürburgring | did_not_start | 34 | C1 | John Fitzpatrick Racing | Franz Konrad · David Hobbs | Porsche 956 | — | | WSPR historical record |
| 1984 · Budweiser GT 1000 Kilometres, Mosport | 2 | 33 | C1 | John Fitzpatrick Racing | David Hobbs · Franz Konrad · Rupert Keegan | Porsche 956 | — | 245 | WSPR historical record |
| 1984 · Rothmans Spa 1000 Kilometres, Spa | retired | 55 | C1 | John Fitzpatrick Racing | Rupert Keegan · Franz Konrad | Porsche 962 | — | 93 | WSPR historical record |
| 1984 · Rothmans Spa 1000 Kilometres, Spa | did_not_start | 34 | C1 | John Fitzpatrick Racing | Franz Konrad · Pierre Yver | Porsche 956 | — | | WSPR historical record |
| 1984 · 1000 Kilometres di Imola | 8 | 55 | 8. C1 | John Fitzpatrick Racing | Franz Konrad · Rupert Keegan · David Hobbs | Porsche 956 | — | 190 | WSPR historical record |
| 1984 · Mount Fuji 1000 Kilometres | entry_only | 55 | C1 | John Fitzpatrick Racing | Rupert Keegan · Franz Konrad | Porsche 956 | — | | WSPR historical record |
| 1983 · Trophee Diners Club 1000 Kilometres, Spa-Francorchamps | retired | 21 | C | Porsche Kremer Racing | Derek Warwick · Franz Konrad | Porsche 956 | — | 45 | WSPR historical record |
| 1983 · Castrol 1000 km Kyalami | disqualified | 22 | C | Porsche Kremer Racing | Franz Konrad · Kees Kroesemeijer · George Fouché | Kremer-Porsche CK5 | — | 196 | WSPR historical record |
| 1978 · 1978 24 Hours of Le Mans | DNF | 94 | Gr.5 SP 1 | Whittington Bros. Racing | Don Whittington · Bill Whittington · Franz KonradDon Whittington Bill Whittington Franz Konrad | Porsche 935-77 | Porsche 3.0L F6 turbo | 41 | Wikipedia contributors · CC BY-SA 4.0 |
| 1978 · 1978 24 Hours of Le Mans | DNA | 42 | Gr.5 SP | Konrad Racing | Franz Konrad · Volkert MerlFranz Konrad Volkert Merl | Porsche 935-77 | Porsche 3.0L F6 turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 13 | 21 | 8. GTX | Konrad Racing | Franz Konrad · Reinhold Jöst · Volkert Merl | Porsche 935/77 | — | 590 | WSPR historical record |
| 1978 · 6 h Mugello | 2 | 15 | 2. Gr.5 | Konrad Racing | Franz Konrad · Reinhold Jöst · Volkert Merl | Porsche 935/77 | — | 175 | WSPR historical record |
| 1978 · 6 h Dijon | retired | 8 | Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 30 | WSPR historical record |
| 1978 · 6 h Silverstone | 6 | 12 | 6. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 203 | WSPR historical record |
| 1978 · 6 h Silverstone | did_not_start | 11 | Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935 | — | | WSPR historical record |
| 1978 · 1000 km Nürburgring | 4 | 12 | 4. Gr.5 | Konrad Racing | Volkert Merl · Ralf-Dieter Schreiber · Franz Konrad | Porsche 935/7 | — | 44 | WSPR historical record |
| 1978 · 1000 km Nürburgring | 8 | 11 | 8. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl · Clemens Schickentanz | Porsche 935/7 | — | 42 | WSPR historical record |
| 1978 · Misano 6 Hours | 3 | 12 | 3. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 255 | WSPR historical record |
| 1978 · 6 h Vallelunga | 7 | 19 | 7. Gr.5 | Konrad Racing | Franz Konrad · Volkert Merl | Porsche 935/77 | — | 238 | WSPR historical record |
| 1977 · Kosset 6 Hours, Silverstone | 5 | 11 | 5. Gr.5 | Kannacher GT Team | Franz Konrad · Peter Hähnlein | Porsche 935 | — | 215 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | 4 | 5 | 4. Gr.5 | Porsche Kremer Racing | Franz Konrad · Paul Keller · DNS - John Fitzpatrick | Porsche 935 | — | 42 | WSPR historical record |
| 1977 · ADAC 1000 km Nürburgring | entry_only | 12 | Gr.5 | Jürgen Kannacher | Franz Konrad | Porsche 935 | — | | 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 · Hessen Preis, Hockenheim | 5 | 16 | 5. Gr.5 | Porsche Kremer Racing | Volkert Merl · Peter Hähnlein · Franz Konrad | Porsche 935 | — | 153 | WSPR historical record |
| 1977 · Hessen Preis, Hockenheim | retired | 15 | Gr.5 | Porsche Kremer Porsche | Franz Konrad · Reinhold Jöst · DNS - Bob Wollek | Porsche 935 | — | 148 | WSPR historical record |
| 1976 · ADAC 1000 Kilometres, Nürburgring | 14 | 41 | 5. GT | Heinzmann | Georg Freiberger · Franz Konrad · DNS - Karl-Josef Römer | Porsche Carrera RS | — | 42 | WSPR historical record |