| 15.6.1975 | MR CZ Ostrava | 13 | 911 Carrera | Dušan Velímský | ARC Zetor Brno | 3rd |
| 15.6.1975 | 4 h Salzburgring | 25 | 911 Carrera RSR | Sindel / Dören | Rallye-Gemeinschaft Ulm | 2nd |
| 15.6.1975 | 4 h Salzburgring | 26 | 911 Carrera RS | Schmid / Habermann | Hans Habermann | DNA |
| 15.6.1975 | 24 h Le Mans | 51 | 911 Carrera RSR | | Claude Haldi | DNA |
| 15.6.1975 | 24 h Le Mans | 54 | 911 Carrera RS | Pallavicini / Vanoli | Angelo Pallavicini | DNQ |
| 15.6.1975 | 24 h Le Mans | 56 | 911 Carrera RSR | Chenevière / Zbinden | Bernard Chenevière | DNA |
| 15.6.1975 | 24 h Le Mans | 61 | 911 Carrera RSR 3.0 | Bussi / Metral | Ecurie Armagnac-Bigorre Gérard Méo | 23rd |
| 15.6.1975 | 24 h Le Mans | 62 | 911 Carrera RSR 3.0 | Haldi / Fernandez / Perez / Chiriboga | Escuderia Montjuich | DNS |
| 15.6.1975 | 24 h Le Mans | 64 | 911 Carrera RSR | Heyer / Wisell / Kremer | Porsche Kremer | DNA |
| 15.6.1975 | 24 h Le Mans | 67 | 911 Carrera RS | Verney / Tarnaud / Fontaine | Anny-Charlotte Verney | 11th |
| 15.6.1975 | 24 h Le Mans | 77 | 911 Carrera RS | Sabine / Dagoreau / Aeschlimann | Philippe Dagoreau | 17th |
| 15.6.1975 | 24 h Le Mans | 83 | 911 Carrera RS | "Segolen" / Gadal | Jean-Yves Gadal | DNF |
| 15.6.1975 | Trans-Am Portland | | 911 Carrera | John Bauer | John Bauer | 8th |
| 15.6.1975 | Trans-Am Portland | | 911 | Charly Godecke | Charly Godecke | 7th |
| 15.6.1975 | Trans-Am Portland | | 911 S | Tom Masterson | S.W.A.G. Engineering | 16th |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | | Peter Bulian | Peter Bulian | 4th |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | 911 Carrera RSR 3.0 | Hans Forster | Hans Forster | 3rd |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | 911 S | Ernst Zupp | Ernst-Gustav Zupp | 2nd |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | | Edgar Kaib | Edgar Kaib | 1st |
| 22.6.1975 | Estoril | 5 | Aurora 2000 | Robert Giannone | | 2nd |
| 22.6.1975 | NTK Zandvoort | 89 | 911 Carrera RSR 3.0 | Rob Slotemaker | Tebernum Racing Team | 2nd |
| 22.6.1975 | Avus | | 911 Carrera RSR | Richard Leder | Richard Leder | 3rd |
| 22.6.1975 | Avus | | 911 Carrera RSR | Eberhard Sindel | | 5th |
| 22.6.1975 | Avus | | 914/6 | Horst Oberhemm | Bergischer Motorclub | 8th |
| 22.6.1975 | Avus | | 911 Carrera RS | Fritz Müller | VSA | 10th |
| 22.6.1975 | Avus | | 911 Carrera | Johannes Fehrens | | 13th |
| 22.6.1975 | DARM Avus [GT+2.0/T+2.0] | | 911 Carrera RSR | Edgar Kaib | Edgar Kaib | ?th |
| 22.6.1975 | Avus | | 911 Carrera | Ralf-Dieter Schreiber | | 9th |
| 22.6.1975 | DARM Avus [GT2.0/T2.0] | | 914/6 | Horst Oberhemm | Bergischer Motorclub | ?th |
| 22.6.1975 | DARM Avus [GT2.0/T2.0] | | 914/6 | Hans Christian Jürgensen | Hans Christian Jürgensen | ?th |
| 22.6.1975 | DARM Avus [GT+2.0/T+2.0] | | 911 Carrera RSR | Richard Leder | Richard Leder | ?th |
| 22.6.1975 | DARM Avus [GT2.0/T2.0] | | 914/6 | Edgar Dören | Bergischer Motorclub | ?th |
| 22.6.1975 | Avus | | 911 | Karl Jarolimek | Karl Jarolimek | 7th |
| 22.6.1975 | DARM Avus [GT+2.0/T+2.0] | | 911 Carrera RSR | Jan Lundgårdh | | ?th |
| 22.6.1975 | Avus | | 911 Carrera RSR | Jan Lundgårdh | | 4th |
| 22.6.1975 | Avus | | 911 Carrera | Gerhard Holup | | 6th |
| 22.6.1975 | DARM Avus [GT2.0/T2.0] | | 914/6 | Klaus Erle | Klaus Erle | ?th |
| 22.6.1975 | Avus | | 911 Carrera | Jürgen Berg | | 14th |
| 22.6.1975 | DARM Avus [GT+2.0/T+2.0] | | 911 | Karl Jarolimek | Karl Jarolimek | ?th |
| 22.6.1975 | DARM Avus [GT+2.0/T+2.0] | | 911 Carrera RS | Fritz Müller | VSA | ?th |
| 29.6.1975 | Norisring Trophäe | 1 | 911 Carrera RSR 3.0 | John Fitzpatrick | Gelo Racing Team Georg Loos | 2nd |
| 29.6.1975 | Euro GT Norisring | 1 | 911 Carrera RSR 3.0 | John Fitzpatrick | Gelo Racing Team Georg Loos | 1st |
| 29.6.1975 | Norisring Trophäe | 2 | 911 Carrera RSR 3.0 | Toine Hezemans | Gelo Racing Team Georg Loos | 1st |
| 29.6.1975 | Euro GT Norisring | 2 | 911 Carrera RSR 3.0 | Toine Hezemans | Gelo Racing Team Georg Loos | 2nd |
| 29.6.1975 | Norisring Trophäe | 3 | 911 Carrera RSR | Tim Schenken | Gelo Racing Team Georg Loos | 18th |
| 29.6.1975 | Euro GT Norisring | 3 | 911 Carrera RSR | Tim Schenken | Gelo Racing Team Georg Loos | 3rd |
| 29.6.1975 | Norisring Trophäe | 4 | 911 Carrera RSR | Hans Heyer | Vaillant Kremer Team | 17th |
| 29.6.1975 | Euro GT Norisring | 4 | 911 Carrera RSR | Hans Heyer | Vaillant Kremer Team | 5th |
| 29.6.1975 | 1000 km Zeltweg | 4 | 908/3-6 Turbo | Müller / Kinnunen | Dr. H. Dannesberger | 9th |
| 29.6.1975 | 1000 km Zeltweg | 5 | 908/3 Turbo | Jöst / Casoni | Scuderia Nettuno Ovoro | 3rd |
| 29.6.1975 | Euro GT Norisring | 5 | 911 Carrera RSR 3.0 | Cees Siewertsen | Erwin Kremer | 6th |
| 29.6.1975 | 1000 km Zeltweg | 6 | 908/3 | Barth / Kraus | Scuderia Nettuno | 4th |
| 29.6.1975 | DRM Norisring | 6 | 911 Carrera RSR | Clemens Schickentanz | Tebernum Porsche Racing Team | DNS |
| 29.6.1975 | Norisring Trophäe | 6 | 911 Carrera RSR | Clemens Schickentanz | Tebernum Porsche Racing Team | 16th |
| 29.6.1975 | Euro GT Norisring | 6 | 911 Carrera RSR | Clemens Schickentanz | Tebernum Porsche | raced |
| 29.6.1975 | DRM Norisring | 7 | 911 Carrera RSR 3.0 | Hartwig Bertrams | Tebernum Porsche Racing Team | DNS |
| 29.6.1975 | Euro GT Norisring | 7 | 911 Carrera RSR 3.0 | Hartwig Bertrams | Tebernum Porsche | DNF |
| 29.6.1975 | DRM Norisring | 8 | 911 Carrera RSR | Reine Wisell | Tebernum Porsche Racing Team | 5th |
| 29.6.1975 | Euro GT Norisring | 8 | 911 Carrera RSR | Reine Wisell | Tebernum Porsche | raced |
| 29.6.1975 | Norisring Trophäe | 8 | 911 Carrera RSR | Reine Wisell | Tebernum Porsche Racing Team | 8th |
| 29.6.1975 | DRM Norisring | 9 | 911 Carrera RSR 3.0 | Claude Haldi | Porsche Club Romand | DNS |
| 29.6.1975 | Norisring Trophäe | 9 | 911 Carrera RSR 3.0 | Claude Haldi | Porsche Club Romand | 5th |
| 29.6.1975 | Euro GT Norisring | 9 | 911 Carrera RSR 3.0 | Claude Haldi | Porsche Club Romand | 4th |
| 29.6.1975 | Euro GT Norisring | 11 | 911 Carrera RSR 3.0 | Claude Ballot-Léna | Ecurie Robert Buchet | DNA |
| 29.6.1975 | Euro GT Norisring | 12 | 911 Carrera RSR 3.0 | Cyril Grandet | Ecurie Robert Buchet | DNA |
| 29.6.1975 | Euro GT Norisring | 14 | 911 Carrera RSR 3.0 | Jürgen Neuhaus | Josef Brambring | DNA |
| 29.6.1975 | Norisring Trophäe | 15 | 911 Carrera RSR | Bengt Ekberg | Team Västkuststugan Porsche Kubero | 10th |
| 29.6.1975 | Euro GT Norisring | 15 | 911 Carrera RSR | Bengt Ekberg | Team Västkuststugan Porsche Kubero | 8th |
| 29.6.1975 | 1000 km Zeltweg | 15 | 908/02 | Ortega / Ranft / Espinosa | Ecuador Marlboro | 11th |
| 29.6.1975 | Euro GT Norisring | 16 | 911 Carrera RSR | Kenneth Leim | Team Bla Racing | raced |
| 29.6.1975 | Euro GT Norisring | 17 | 911 Carrera RSR | Volker Bruchhof | Harald Reimann | DNA |
| 29.6.1975 | Norisring Trophäe | 18 | 911 Carrera RSR | Eugen Kiemele | Eugen Kiemele | 11th |
| 29.6.1975 | Euro GT Norisring | 18 | 911 Carrera RSR | Eugen Kiemele | Eugen Kiemele | raced |
| 29.6.1975 | DRM Norisring | 18 | 911 Carrera RSR | Eugen Kiemele | Eugen Kiemele | 8th |
| 29.6.1975 | Norisring Trophäe | 19 | 911 Carrera RSR | Richard Leder | Richard Leder | 7th |
| 29.6.1975 | DRM Norisring | 19 | 911 Carrera RSR | Richard Leder | Richard Leder | DNF |
| 29.6.1975 | Euro GT Norisring | 19 | 911 Carrera RSR | Richard Leder | Richard Leder | 7th |
| 29.6.1975 | DRM Norisring | 32 | 911 Carrera RSR | Reinhardt Stenzel | Foto-Quele Max Moritz Racing Team | 2nd |
| 29.6.1975 | Norisring Trophäe | 32 | 911 Carrera RSR | Reinhardt Stenzel | Foto-Quele Max Moritz Racing Team | 3rd |
| 29.6.1975 | DRM Norisring | 35 | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer Team | T-car |
| 29.6.1975 | Norisring Trophäe | 35 | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer Team | 4th |
| 29.6.1975 | 1000 km Zeltweg | 35 | 911 Carrera RSR 2.8 | Doppler / Felbermayr, Sr. | Porsche Club Oberoesterreich | 12th |
| 29.6.1975 | DRM Norisring | 35T | 911 Carrera RSR | Helmut Kelleners | Vaillant Kremer Team | 3rd |
| 29.6.1975 | DRM Norisring | 39 | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz GmbH | 7th |
| 29.6.1975 | Norisring Trophäe | 39 | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz GmbH | 9th |
| 29.6.1975 | DRM Norisring | 41 | 911 Carrera RSR 3.0 | Josef Brambring | Josef Brambring | DNA |
| 29.6.1975 | DRM Norisring | 43 | 911 Carrera RSR | Heinz-Jörgen Dahmen | Porsche Kannacher | DNA |
| 29.6.1975 | DRM Norisring | 44 | 911 Carrera RSR | Jürgen Kannacher | Porsche Kannacher | DNA |
| 29.6.1975 | DRM Norisring | 45 | 911 Carrera RSR | Anton Stocks | AMC Duisburg | DNA |
| 29.6.1975 | DRM Norisring | 70 | 914/6 | Dieter Ankele | Autohaus Max Moritz GmbH | 5th |
| 29.6.1975 | DRM Norisring | 82? | 914/6 | Edgar Dören | Bergischer Motorclub e.V. | DNF |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RSR | Georg Freiberger | Georg Freiberger | 4th |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RS | Dieter Schornstein | Dieter Schornstein | ?th |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RSR | Günther Chrzanowski | Günther Chrzanowski | 1st |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RSR | Franz Konrad | Franz Konrad | 2nd |
| 29.6.1975 | 1000 km Zeltweg | | 911 Carrera RSR | | | DNA |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RSR | Eberhard Sindel | Eberhard Sindel | 3rd |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RS | Ralf-Dieter Schreiber | Ralf-Dieter Schreiber | ?th |
| 29.6.1975 | Düren/Nordheim Zolder | | 911 Carrera RS | Claus Kathner-Diercks | Claus Kathner-Diercks | ?th |
| 4.7.1975 | 250 mile Daytona Paul Revere | 6 | 911 Carrera RSR | Hurley Haywood | G. W. Dickinson | 2nd |