| 24.8.1975 | 6 h Mid-Ohio | 1 | 911 Carrera RSR 3.0 | Keyser / Dyer | George Dyer | 29th |
| 24.8.1975 | 6 h Mid-Ohio | 5 | 911 S | Yenko / Vazquez / Thompson | | 25th |
| 24.8.1975 | 6 h Mid-Ohio | 11 | 911 Carrera RSR | Winkler / Kelly | | 22nd |
| 24.8.1975 | 6 h Mid-Ohio | 23 | 911 Carrera RSR | Kemp / Baird | Armorall Racing Team | 36th |
| 24.8.1975 | 6 h Mid-Ohio | 27 | 911 S | Mummery / Scott | | 20th |
| 24.8.1975 | 6 h Mid-Ohio | 30 | 911 Carrera RSR | Quintanilla / Gonzalez | | 3rd |
| 24.8.1975 | 6 h Mid-Ohio | 34 | 911 S | Drolsom / Nagel | George Drolsom | 13th |
| 24.8.1975 | 6 h Mid-Ohio | 43 | 911 Carrera RSR | O'Steen / Helmick | | 2nd |
| 24.8.1975 | 6 h Mid-Ohio | 51 | 914/6 | Hotchkis / Kirby | | 34th |
| 24.8.1975 | 6 h Mid-Ohio | 60 | 911 S | Bond | | 40th |
| 24.8.1975 | 6 h Mid-Ohio | 61 | 911 Carrera RSR 3.0 | Busby / Sprowls / Kirby | | 7th |
| 24.8.1975 | 6 h Mid-Ohio | 75 | 911 Carrera RSR | Ridgely / Bartling | | 6th |
| 24.8.1975 | 6 h Mid-Ohio | 77 | 911 S | Jennings / Beasley | | 12th |
| 24.8.1975 | 6 h Mid-Ohio | 85 | 914/6 | Hulen / Coupland | | 27th |
| 24.8.1975 | 6 h Mid-Ohio | 86 | 911 S | Masterson / Johnson | | DNA |
| 24.8.1975 | 6 h Mid-Ohio | 89 | 911 S | Parish / Causey | Barrick Motor Racing | 11th |
| 24.8.1975 | 6 h Mid-Ohio | 95 | 911 Carrera RSR 3.0 | Hagestad / Barber | | 8th |
| 31.8.1975 | Knutstorp [T/GT] | 0 | 911 Carrera RSR | Roland Larsson | | 4th |
| 31.8.1975 | Knutstorp [T/GT] | 2 | 911 Carrera RSR | Bengt Ekberg | Team Västkuststugan-Porche | 3rd |
| 31.8.1975 | Knutstorp [T/GT] | 6 | 911 Carrera RSR | Jan Lundgårdh | Team Dintol Center | 6th |
| 31.8.1975 | Knutstorp [T/GT] | 7 | 911 Carrera RSR | Bent Clausen | Team Smidts radio | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 10 | 911 Carrera RSR | Reinhardt Stenzel | Foto-Quele Max Moritz Racing Team | DNF |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 11 | 911 Carrera RSR | Jürgen Lässig | Autohaus Max Moritz | 10th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 12 | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer-Team | 6th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 14 | 911 Carrera RSR | Bob Wollek | Vaillant Kremer-Team | 4th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 15 | 911 Carrera RSR 3.0 | Cees Siewertsen | Lucky Star Wallys Jeans Kremer-Team | 8th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 16 | 911 Carrera RSR | Jürgen Kannacher | Porsche-Kannacher | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 17 | 911 Carrera RSR | | Porsche-Kannacher | DNA |
| 31.8.1975 | Knutstorp [T/GT] | 17 | 911 Carrera RSR | Reine Wisell | | 1st |
| 31.8.1975 | Knutstorp [T/GT] | 18 | 911 Carrera RSR | Clemens Schickentanz | | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 18 | 911 Carrera RSR 3.0 | John Fitzpatrick | Gelo Racing Team Georg Loos | 2nd |
| 31.8.1975 | Knutstorp [T/GT] | 19 | 911 Carrera RSR 3.0 | Hartwig Bertrams | | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 19 | 911 Carrera RSR 3.0 | Hans Halfmann | Tebernum Porsche Racing Team | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 20 | 911 Carrera RSR | Clemens Schickentanz | Tebernum Porsche Racing Team | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 21 | 911 Carrera RSR 3.0 | Josef Brambring | Josef Brambring | 12th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 22 | 911 Carrera RSR | Richard Leder | Richard Leder | DNF |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 31 | 911 Carrera | Kurt Peter | Formel Rennsport Club | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 32 | 911 Carrera RSR | Peter Bernhard | Formel Rennsport Club | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 33 | 911 S | Heinz Grieder | Formel Rennsport Club | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 34 | 911 Carrera RSR | Edy Brandenberger | Scuderia Basilea | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 35 | 911 Carrera RSR | Eugen Strähl | Lista Racing Team | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 36 | 911 Carrera RSR 3.0 | Edi Kofel | Mascotte-Racing Team | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 37 | 911 Carrera RSR | Lutz Hömssen | Lutz Hömssen | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 38 | 911 Carrera RSR | Hubert Schmidt | MSC Calw | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 39 | 911 Carrera RS | Peter Bulian | Peter Bulian | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 46 | 914/6 | Manfred Laub | Autohaus Max Moritz GmbH | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 314 | 914/6 | Dieter Ankele | Autohaus Max Moritz GmbH | 9th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 315 | 914/6 | Wilhelm Siegle | Wilhelm H. Siegle | 10th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 316 | 914/6 | Klaus Erle | Klaus Erle | 12th |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RS | Rolf Rosenkranz | Rolf Rosenkranz | ?th |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RSR 3.0 | Hans Halfmann | Tebernum-Porsche-Racing-Team | 2nd |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RSR | Peter Hähnlein | Porsche-Kannacher | 3rd |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RSR | Harald Reimann | Harald Reimann | 4th |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RSR | | | DNF |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RS | Dieter Schornstein | Dieter Schornstein | ?th |
| 31.8.1975 | Zolder [Sports] | | 908/3-6 Turbo | Jürgen Neuhaus | Dr. H. Dannesberger | 1st |
| 31.8.1975 | Zolder [GT] | | 911 Carrera RSR | Jürgen Kannacher | Porsche-Kannacher | 1st |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera | Herbert Krall | Herbert Krall | ?th |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera | Hans Havermann | Hans Havermann | ?th |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera RS | Rolf Blind | Sports Car Club of Stuttgart | ?th |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera | Heinz Blind | Sports Car Club of Stuttgart | ?th |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera | Herbert Hechler | Herbert Hechler | ?th |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 | Luigi Barrano | Luigi Barrano | 3rd |
| 6.9.1975 | Mainz Hockenheim [GT] | | 914/6 | Peter Karl Nowak | Peter Karl Nowack | 2nd |
| 6.9.1975 | Mainz Hockenheim [GT] | | 911 Carrera RSR | Hubert Schmidt | Autohaus Max Moritz GmbH | 1st |
| 7.9.1975 | Interserie Nürburgring Supersprint | 0 | 908/3-6 Turbo | Herbert Müller | Dr. H. Dannesberger | 3rd |
| 7.9.1975 | Supersprint Nürburgring | 1 | 911 Carrera RSR 3.0 | Toine Hezemans | GELO-Racing-Team Georg Loos KG | DNA |
| 7.9.1975 | Interserie Nürburgring Supersprint | 1 | 917/10 TC | Tim Schenken | GELO-Racing-Team | 1st |
| 7.9.1975 | Supersprint Nürburgring | 2 | 911 Carrera RSR 3.0 | John Fitzpatrick | GELO-Racing-Team Georg Loos KG | 3rd |
| 7.9.1975 | Interserie Nürburgring Supersprint | 2 | 917/10 | Ernst Kraus | Ernst Kraus | 4th |
| 7.9.1975 | Supersprint Nürburgring | 4 | 911 Carrera RSR | Hans Heyer | Jägermeister Kremer Team | 2nd |
| 7.9.1975 | Supersprint Nürburgring | 5 | 911 Carrera RSR | Bob Wollek | Vaillant Kremer Team | 1st |
| 7.9.1975 | Interserie Nürburgring Supersprint | 5 | 908/3 Turbo | Reinhold Jöst | Jöst-Racing | DNF |
| 7.9.1975 | Supersprint Nürburgring | 6 | 911 Carrera RSR 3.0 | Cees Siewertsen | Lucky Star Wallys Jeans Kremer Team | 4th |
| 7.9.1975 | Supersprint Nürburgring | 7 | 911 Carrera RSR | Clemens Schickentanz | Tebernum-Porsche-Racing-Team Krefeld | DNA |
| 7.9.1975 | Supersprint Nürburgring | 8 | 911 Carrera RSR 3.0 | Hartwig Bertrams | Tebernum-Porsche-Racing-Team Krefeld | DNA |
| 7.9.1975 | Supersprint Nürburgring | 9 | 911 Carrera RSR | Eberhard Sindel | Rallyegememinschaft Ulm e.V. im ADAC | DNA |
| 7.9.1975 | Supersprint Nürburgring | 10 | 911 Carrera RSR | Richard Leder | Richard Leder | 6th |
| 7.9.1975 | Supersprint Nürburgring | 11 | 911 Carrera RSR 3.0 | Josef Brambring | Josef Brambring | 5th |
| 7.9.1975 | Supersprint Nürburgring | 12 | 911 Carrera RSR | Anton Stocks | AMC Duisburg | DNA |
| 7.9.1975 | Supersprint Nürburgring | 15 | 911 Carrera RS | Dieter Schornstein | Dieter Schornstein | 7th |
| 7.9.1975 | Supersprint Nürburgring | 16 | 911 Carrera RS | Kurt Beise | AC Bad Honnef | 8th |
| 7.9.1975 | Interserie Nürburgring Supersprint | 25 | 908/3 | Jürgen Barth | Jöst-Racing | 10th |
| 7.9.1975 | Trans-Am Brainerd | 26 | 911 S | Tom Masterson | S.W.A.G. Engineering | DNS |
| 7.9.1975 | Trans-Am Brainerd | 39 | 911 Carrera | John Bauer | John B. Racing | 2nd |
| 7.9.1975 | Croix-en-Ternois | | 911 Carrera RSR | Claude Ballot-Léna | | 1st |
| 7.9.1975 | Croix-en-Ternois | | 911 Carrera RSR | Jacques Borras | | 2nd |
| 7.9.1975 | Croix-en-Ternois | | 911 Carrera RSR | Jean-Louis Chateau | | 3rd |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 1 | 911 Carrera RSR | Richard Leder | Richard Leder | 1st |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 2 | 911 Carrera RSR | Hubert Schmidt | MCS Calw | ?th |
| 14.9.1975 | MR CZ Piešťany | 13 | 911 Carrera | Dušan Velímský | AMK Zetor Brno | 2nd |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Peter Karl Nowak | Peter Karl Nowak | 6th |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Albrecht Schütz | Autohaus Max Moritz GmbH | 3rd |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Klaus Erle | Klaus Erle | 4th |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Rolf Linning | Bergischer Motorclub | 14th |
| 14.9.1975 | CI Gr.4 Pergusa | | 911 | Cusimano | | ?th |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Edgar Dören | Bergischer Motorclub | 2nd |
| 14.9.1975 | DARM Ulm [GT2.0] | | 914/6 | Manfred Laub | Autohaus Max Moritz GmbH | 1st |
| 14.9.1975 | CI Gr.4 Pergusa | | 911 S | Lo Coco | | ?th |
| 14.9.1975 | CI Gr.4 Pergusa | | 911 | Guagliardo | | ?th |