| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 45 | 911 Carrera RSR 3.0 | Clemens Schickentanz | Tebernum Porsche Racing | DNF |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 46 | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer Team | 3rd |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 48 | 911 Carrera RSR | Anton Stocks | AMC Duisburg | 11th |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 49 | 911 Carrera RSR 3.0 | Cees Siewertsen | Jägermeister Kremer Team | 6th |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 50 | 911 Carrera RSR | Richard Leder | Richard Leder | DNF |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 51 | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz GmbH | DNA |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 52 | 911 Carrera RSR | Hartwig Bertrams | Tebernum Porsche Racing Team | 5th |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 53 | 911 Carrera RSR 3.0 | Josef Brambring | Josef Brambring | DNF |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 81 | 914/6 | Wilhelm Siegle | Wilhelm Horst Siegle | DNF |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 82 | 914/6 | Dieter Ankele | Autohaus Max Moritz GmbH | ?th |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 83 | 914/6 | Peter Karl Nowak | Peter Karl Nowak | DNF |
| 8.6.1975 | DRM Hockenheim Rhein-Pokal | 84 | 914/6 | Edgar Dören | Bergischser Motor-Club | DNA |
| 8.6.1975 | Ronde Cévenole | | 911 Carrera RS | Lunel | | 4th |
| 8.6.1975 | Ronde Cévenole | | 911 Carrera RS | Mas | | 3rd |
| 8.6.1975 | Ronde Cévenole | | | Jacques Alméras | | 2nd |
| 8.6.1975 | Ronde Cévenole | | 911 Carrera RS | Rouget | | 13th |
| 8.6.1975 | Ronde Cévenole | | 911 | Nourry | | 20th |
| 8.6.1975 | Ronde Cévenole | | 911 Carrera RS | Bec | | 5th |
| 8.6.1975 | Ronde Cévenole | | 911 Carrera RS | Labaune | | 12th |
| 14.6.1975 | 100 mile Mosport | 1 | 911 Carrera RSR 3.0 | Michael Keyser | Toad Hall Racing | DNA |
| 14.6.1975 | 100 mile Mosport | 6 | 911 Carrera RSR | Hurley Haywood | G. W. Dickinson | 1st |
| 14.6.1975 | Kinnekulle | 6 | 911 Carrera RSR | Jan Lundgårdh | Team Dinitrol | ?th |
| 14.6.1975 | 100 mile Mosport | 10 | 911 Carrera RSR | Marcel Talbot | Tamaco Industr. Ltd. | 12th |
| 14.6.1975 | 100 mile Mosport | 11 | 911 Carrera RSR | Hans Berner | Motex | 14th |
| 14.6.1975 | 100 mile Mosport | 14 | 911 Carrera RSR 3.0 | Al Holbert | Holbert's Porsche+Audi | 9th |
| 14.6.1975 | Kinnekulle | 16 | 911 Carrera RSR | Kenneth Leim | Team Blå Racing | ?th |
| 14.6.1975 | Kinnekulle | 17 | 911 Carrera RSR | Roland Larsson | Team Västkuststugan | 3rd |
| 14.6.1975 | Kinnekulle | 23 | 911 S | Göran Ahlström | Team Blå Racing | DNA |
| 14.6.1975 | 100 mile Mosport | 23 | 911 Carrera RSR | Charlie Kemp | Armorall Racing Team | 5th |
| 14.6.1975 | 100 mile Mosport | 30 | 911 Carrera RSR 3.0 | George Dyer | Dyer Racing | 7th |
| 14.6.1975 | 100 mile Mosport | 34 | 911 S | George Drolsom | Drolsom Racing | 18th |
| 14.6.1975 | 100 mile Mosport | 36 | 911 S | Brian Hardacre | Climax Racing | 20th |
| 14.6.1975 | 100 mile Mosport | 43 | 911 Carrera RSR | O'Steen / Graves / Miegel | Ecurie Escargot | DNA |
| 14.6.1975 | 100 mile Mosport | 51 | 914/6 | Robert Kirby | Kirby-Hitchcock Racing | 16th |
| 14.6.1975 | 100 mile Mosport | 59 | 911 Carrera RSR 3.0 | Peter Gregg | Brumos Porsche+Audi | 4th |
| 14.6.1975 | 100 mile Mosport | 73 | 911 Carrera RSR | Roberto Quintanilla | John McClelland | DNA |
| 14.6.1975 | 100 mile Mosport | 74 | 911 Carrera RSR | Ludwig Heimrath | Heimrath Racing | 3rd |
| 14.6.1975 | 100 mile Mosport | 75 | 911 Carrera RSR | Norm Ridgely | Ridgely Racing | 11th |
| 14.6.1975 | 100 mile Mosport | 80 | 911 | Fritz Hochreuter | Fritz Hochreuter | DNS |
| 14.6.1975 | 100 mile Mosport | 85 | 914/6 | Ron Coupland | John E. Hulen | 25th |
| 14.6.1975 | 100 mile Mosport | 89 | 911 S | Dave Causey | Barrick Motor Racing | 21st |
| 14.6.1975 | 100 mile Mosport | 95 | 911 Carrera RSR 3.0 | Bob Hagestad | Bob Hagestad Porsche+Audi | 8th |
| 15.6.1975 | 24 h Le Mans | 1 | 908/02 K Flunder | Cohen-Olivar / Brachet / Carron | Wicky Racing Team | DNF |
| 15.6.1975 | 24 h Le Mans | 3 | 908/02 K Flunder | Poirot / Ortega / Cuynet | Christian Poirot | DNF |
| 15.6.1975 | MR CZ Ostrava | 13 | 911 Carrera | Dušan Velímský | ARC Zetor Brno | 3rd |
| 15.6.1975 | Interserie Mainz-Finthen | 15 | 917 Spyder | Sten Hilgard | Racing Team Sten Hilgard A. B. | DNA |
| 15.6.1975 | 24 h Le Mans | 15 | 908/3 | Jöst / Casoni / Barth | Joest Racing | 4th |
| 15.6.1975 | 24 h Le Mans | 16 | 911 Carrera RSR | Schickentanz / Bertrams | Joest Racing | DNF |
| 15.6.1975 | 24 h Le Mans | 16 | 908/3 | Jöst / Casoni | Joest Racing | DNA |
| 15.6.1975 | Interserie Mainz-Finthen | 16 | 917/10 | Ernst Kraus | Ernst Kraus | 2nd |
| 15.6.1975 | Interserie Mainz-Finthen | 17 | 917 Spyder | Albert Pfuhl | Albert Pfuhl | DNF |
| 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 | 52 | 911 Carrera RSR 3.0 | Vollery / Dorchy / Chapuis | Ecurie du Nord | DNF |
| 15.6.1975 | 24 h Le Mans | 54 | 911 Carrera RS | Pallavicini / Vanoli | Angelo Pallavicini | DNQ |
| 15.6.1975 | 24 h Le Mans | 55 | 911 Carrera RSR 3.0 | Ballot-Léna / Bienvenue | Ecurie Robert Buchet | 8th |
| 15.6.1975 | Interserie Mainz-Finthen | 55 | 906 Spyder | Karl-Adolf Kneip | Karl-Adolf Kneip | DNF |
| 15.6.1975 | DRM Mainz-Finthen | 56 | 911 Carrera RSR | Reinhardt Stenzel | Team Foto-Quele Max Moritz-Racing | 1st |
| 15.6.1975 | Interserie Mainz-Finthen | 56 | 906 | Barney Burnes | Barney Burnes | DNA |
| 15.6.1975 | 24 h Le Mans | 56 | 911 Carrera RSR | Chenevière / Zbinden | Bernard Chenevière | DNA |
| 15.6.1975 | 24 h Le Mans | 57 | 911 Carrera RSR 3.0 | Rulon-Miller / Waugh / Godard | Gante Racing | DNF |
| 15.6.1975 | Interserie Mainz-Finthen | 57 | 910 | Werner Muschak | Akamot | 15th |
| 15.6.1975 | DRM Mainz-Finthen | 59 | 911 Carrera RSR 3.0 | Hartwig Bertrams | Tebernum Porsche Racing Team | DNF |
| 15.6.1975 | 24 h Le Mans | 60 | 911 Carrera RSR 3.0 | Schurti / Hezemans | Gelo Racing Team | DNF |
| 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 | 63 | 911 Carrera RS | Béring / Godel / Utz | Porsche Club Romand | 19th |
| 15.6.1975 | 24 h Le Mans | 64 | 911 Carrera RSR | Heyer / Wisell / Kremer | Porsche Kremer | DNA |
| 15.6.1975 | 24 h Le Mans | 65 | 911 Carrera RSR | Sprowls / Bolanos / Contreras | Porsche Kremer | 9th |
| 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 | 68 | 911 Carrera RSR 3.0 | Vetsch / Verrier / Corthay | Guy Verrier | DNF |
| 15.6.1975 | 24 h Le Mans | 76 | 911 Carrera RS | Méo / Thiry | Gérard Méo | DNA |
| 15.6.1975 | 24 h Le Mans | 77 | 911 Carrera RS | Sabine / Dagoreau / Aeschlimann | Philippe Dagoreau | 17th |
| 15.6.1975 | 24 h Le Mans | 78 | 911 Carrera RS | Wollek / Grandet | Ecurie Robert Buchet - Cyril Grandet | DQ |
| 15.6.1975 | 24 h Le Mans | 80 | 911 Carrera RS | Touroul / Hesnault, Sr. | X. Racing | 18th |
| 15.6.1975 | 24 h Le Mans | 83 | 911 Carrera RS | "Segolen" / Gadal | Jean-Yves Gadal | DNF |
| 15.6.1975 | DRM Mainz-Finthen | 85 | 911 Carrera RSR | Eckhard Schimpf | Jägermeister-Racing-Team | 9th |
| 15.6.1975 | Interserie Mainz-Finthen | 88 | 908/3-6 Turbo | Herbert Müller | Martini Racing Team Dr. H. Dannesberger | 1st |
| 15.6.1975 | DRM Mainz-Finthen | 114 | 914/6 | Dieter Ankele | Autohaus Max Moritz GmbH | 7th |
| 15.6.1975 | DRM Mainz-Finthen | 115 | 914/6 | Manfred Laub | Autohaus Max Moritz GmbH | 14th |
| 15.6.1975 | DRM Mainz-Finthen | 124 | 914/6 | Ulrich Mönninghoff | Hubert Engbert Ölde | 9th |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | 911 S | Ernst Zupp | Ernst-Gustav Zupp | 2nd |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RS | Rolf Blind | | DNF |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | 911 Carrera RSR 3.0 | Hans Forster | Hans Forster | 3rd |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | | Peter Bulian | Peter Bulian | 4th |
| 15.6.1975 | Hügelheim Hockenheim [GT] | | | Edgar Kaib | Edgar Kaib | 1st |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Franz Konrad | Scuderia Teutonia | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RS | Leo Eigner | Sports Car Club of Stuttgart | 10th |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Richard Leder | Richard Leder | 8th |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz GmbH | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 914/6 | Peter Karl Nowak | Braun Sixtant Racing Team | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Harald Reimann | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Hans-Peter Ziegler | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Günther Chrzanowski | Günter Chrzanowski | 6th |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer Team | 2nd |
| 15.6.1975 | DRM Mainz-Finthen | | 914/6 | Klaus Erle | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Anton Stocks | AMC Duisburg | 7th |
| 15.6.1975 | Trans-Am Portland | | 911 | Charly Godecke | Charly Godecke | 7th |
| 15.6.1975 | Trans-Am Portland | | 911 Carrera | John Bauer | John Bauer | 8th |
| 15.6.1975 | Trans-Am Portland | | 911 S | Tom Masterson | S.W.A.G. Engineering | 16th |