| 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 | 81 | 914/6 | Wilhelm Siegle | Wilhelm Horst Siegle | 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 | 2 | 908/02 Special | Ranft / Ortega | Ecuador Marlboro Team | DNQ |
| 15.6.1975 | 24 h Le Mans | 3 | 908/02 K Flunder | Poirot / Ortega / Cuynet | Christian Poirot | DNF |
| 15.6.1975 | 24 h Le Mans | 9 | 911 Carrera RSR | Merello | Ecuador Marlboro Team | DNF |
| 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 | 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 | 24 h Le Mans | 19 | 908/3 Turbo | Heiderich / Zapico | Ben Heiderich | DNA |
| 15.6.1975 | 24 h Le Mans | 20 | 911 Carrera Turbo | Béguin / Zbinden / Haldi | Porsche Club Romand | 15th |
| 15.6.1975 | 24 h Le Mans | 21 | 908/3-6 Turbo | Müller / van Lennep / Kinnunen | Herbert Müller | DNA |
| 15.6.1975 | 24 h Le Mans | 31 | 910 | Cuynet / Evrard | Gérard Cuynet | DNA |
| 15.6.1975 | 24 h Le Mans | 50 | 911 Carrera RSR | Striebig / Kirschoffer / Mauroy | Louis Meznarie | 28th |
| 15.6.1975 | 24 h Le Mans | 51 | 911 Carrera RSR | | Claude Haldi | 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 | 53 | 911 Carrera RSR | Borras / Moisson / Cachia | A.S.A. Cachia | 7th |
| 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 | 24 h Le Mans | 56 | 911 Carrera RSR | Chenevière / Zbinden | Bernard Chenevière | DNA |
| 15.6.1975 | DRM Mainz-Finthen | 56 | 911 Carrera RSR | Reinhardt Stenzel | Team Foto-Quele Max Moritz-Racing | 1st |
| 15.6.1975 | 24 h Le Mans | 57 | 911 Carrera RSR 3.0 | Rulon-Miller / Waugh / Godard | Gante Racing | DNF |
| 15.6.1975 | 24 h Le Mans | 58 | 911 Carrera RSR 3.0 | Fitzpatrick / Hezemans / van Lennep / Schurti / Loos | Gelo Racing Team | 5th |
| 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 | 59 | 911 Carrera RSR | Schenken / Ganley | Gelo 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 | 66 | 911 Carrera RSR | Aeschlimann / Cayeux | Racing Team Schulthess | 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 | 68 | 911 Carrera RSR 3.0 | Vetsch / Verrier / Corthay | Guy Verrier | DNF |
| 15.6.1975 | 24 h Le Mans | 69 | 911 Carrera RSR | Faure / "Beurlys" / Cooper | "Beurlys" | 6th |
| 15.6.1975 | 24 h Le Mans | 70 | 911 Carrera RS | Ravenel / Ravenel / Wauters | Les Maisons de Week-End | DNQ |
| 15.6.1975 | 24 h Le Mans | 71 | 911 Carrera RSR | Laplacette / Pigeon / Leroux | Joël Laplacette | 25th |
| 15.6.1975 | 24 h Le Mans | 73 | 911 S | Perrier / Belliard | Thierry Perrier | DNQ |
| 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 | 79 | 911 Carrera RS | | Lucien Nageotte | DNA |
| 15.6.1975 | 24 h Le Mans | 80 | 911 Carrera RS | Touroul / Hesnault, Sr. | X. Racing | 18th |
| 15.6.1975 | 24 h Le Mans | 81 | 911 Carrera RS | | Porsche Club Romand | DNA |
| 15.6.1975 | 24 h Le Mans | 82 | 911 Carrera RS | Bordier / Bourdillat | Promo Racing Service | DNA |
| 15.6.1975 | 24 h Le Mans | 83 | 911 Carrera RS | "Segolen" / Gadal | Jean-Yves Gadal | DNF |
| 15.6.1975 | 24 h Le Mans | 84 | 911 Carrera RS | Maurer / Beez / Strähl | Gerhard Maurer | 10th |
| 15.6.1975 | 24 h Le Mans | 85 | 911 Carrera RS | Davin / Roux | Jean-Louis Davin | DNA |
| 15.6.1975 | DRM Mainz-Finthen | 85 | 911 Carrera RSR | Eckhard Schimpf | Jägermeister-Racing-Team | 9th |
| 15.6.1975 | 24 h Le Mans | 86 | 911 Carrera RS | Guidoux / Lamigeon / Chantalat | Didier Lamigeon | DNA |
| 15.6.1975 | 24 h Le Mans | 87 | 911 Carrera RS | Boubet / Dermagne | X. Racing | 20th |
| 15.6.1975 | Interserie Mainz-Finthen | 88 | 908/3-6 Turbo | Herbert Müller | Martini Racing Team Dr. H. Dannesberger | 1st |
| 15.6.1975 | 24 h Le Mans | 96 | 911 Carrera RS | Nageotte / Picard | Bonnemaison - Thiaw | DNF |
| 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 | DRM Mainz-Finthen | | 911 Carrera RS | Leo Eigner | Sports Car Club of Stuttgart | 10th |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RS | Rolf Blind | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Hans-Peter Ziegler | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Harald Reimann | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 914/6 | Peter Karl Nowak | Braun Sixtant Racing Team | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 914/6 | Klaus Erle | | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz GmbH | 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 | | 911 Carrera RSR | Anton Stocks | AMC Duisburg | 7th |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Franz Konrad | Scuderia Teutonia | DNF |
| 15.6.1975 | DRM Mainz-Finthen | | 911 Carrera RSR | Richard Leder | Richard Leder | 8th |