| 2.2.1975 | 24 h Daytona | 4 | 911 Carrera RSR 3.0 | Webbe / Dickinson / Theodoracopulos | Bill Webbe | 5th |
| 2.2.1975 | 24 h Daytona | 5 | 911 Carrera RSR 3.0 | Rojas / Rebaque / van Beuren, Jr. | Hector Rebaque | 9th |
| 2.2.1975 | 24 h Daytona | 9 | 911 Carrera RSR 3.0 | Bolanos / Heyer / Jourdain | Juan Carlos Bolanos | 39th |
| 2.2.1975 | 24 h Daytona | 11 | 911 Carrera RSR 3.0 | Keyser / Sprowls / Contreras | Toad Hall | 2nd |
| 2.2.1975 | 24 h Daytona | 13 | 911 Carrera RSR | Townsend / Thomas / Papke | Randolph Townsend | 12th |
| 2.2.1975 | 24 h Daytona | 14 | 911 Carrera RSR 3.0 | Holbert / Forbes-Robinson | Porsche-Audi USA | 8th |
| 2.2.1975 | 24 h Daytona | 16 | 911 S | Spruell / Bean | Bill Bean | 48th |
| 2.2.1975 | 24 h Daytona | 23 | 911 Carrera RSR 3.0 | Kemp / Baird | Armor All | 3rd |
| 2.2.1975 | 24 h Daytona | 30 | 911 Carrera RSR 3.0 | Bienvenue / Dyer | George Dyer | 4th |
| 2.2.1975 | 24 h Daytona | 32 | 911 Carrera RSR | Greger / Sindel / Schmid | Sepp Greger | DNS |
| 2.2.1975 | 24 h Daytona | 34 | 911 S | Drolsom / Nagel | George Drolsom | 13th |
| 2.2.1975 | 24 h Daytona | 43 | 911 Carrera RSR | O'Steen / Helmick / Graves | Escar | 6th |
| 2.2.1975 | 24 h Daytona | 44 | 911 S | Freyre / Naon / Garcia | Delta Racing | 16th |
| 2.2.1975 | 24 h Daytona | 45 | 911 S | Ramirez / Mutiz / Montalvo / Alvarez | Delta Racing | 23rd |
| 2.2.1975 | 24 h Daytona | 51 | 914/6 | Jones / Kirby / Hotchkis | Johnson-Bozzoni Porsche-Audi | 36th |
| 2.2.1975 | 24 h Daytona | 52 | 911 S | Punch / Rulon-Miller / Waugh | Doell Enterprises | DNS |
| 2.2.1975 | 24 h Daytona | 53 | 911 Carrera | Contreras / Azquierdo / Iglesias | Juan Azquierdo, Jr. | DNA |
| 2.2.1975 | 24 h Daytona | 55 | 914/6 | Lee Cutler | Cutler/Pickens | DNS |
| 2.2.1975 | 24 h Daytona | 59 | 911 Carrera RSR 3.0 | Gregg / Haywood | Brumos Porsche | 1st |
| 2.2.1975 | 24 h Daytona | 60 | 911 S | Bond / Rollin / Belperche | Rusty Bond | 10th |
| 2.2.1975 | 24 h Daytona | 62 | 911 Carrera RSR | Bob Bergstrom | Sports Limited Racing | DNA |
| 2.2.1975 | 24 h Daytona | 67 | 911 Carrera RSR 3.0 | McClain / White | David McClain | 15th |
| 2.2.1975 | 24 h Daytona | 84 | 911 S | Selbert / Biggs | Klaus Selbert | 41st |
| 2.2.1975 | 24 h Daytona | 85 | 914/6 | Hulen / Coupland / Engels | John E. Hulen | 18th |
| 2.2.1975 | 24 h Daytona | 89 | 911 S | Parish / Countryman / Secher | Barrick Motor Racing | 40th |
| 2.2.1975 | 24 h Daytona | 92 | 911 Carrera RSR | Tillson / Oest | Oest/Tillson | 11th |
| 2.2.1975 | 24 h Daytona | 95 | 911 Carrera RSR | de Izaurieta / Tabe / Martinez | Hector Rebaque | 27th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera | Uwe Machel | Uwe Machel | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera RS | Leo Eigner | Sports Car Club of Stuttgart | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 914/6 | Hans Christian Jürgensen | Hans Christian Jürgensen | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera RS | Georges Bosshard | | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera RS | Marc Surer | Schwarzwälder Möbelversand | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera RSR | Eugen Kiemele | Eugen Kiemele | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera | Helmut Bez | Helmut Bez | ?th |
| 22.2.1975 | Stuttgart Preis Hockenheim | | 911 Carrera RS | Rolf Blind | Sports Car Club of Stuttgart | ?th |
| 9.3.1975 | 6 h Dakar | 2 | 911 Carrera | Touroul / Calmel | Touroule | 1st |
| 9.3.1975 | 6 h Dakar | 4 | 911 S | Daniel Thiaw | Daniel Thiaw | raced |
| 9.3.1975 | 6 h Dakar | 11 | 911 S | Thomas / Hartmann | Yvon Thomas | raced |
| 9.3.1975 | GP Estoril | 25 | Aurora 2000 | Robert Giannone | | 2nd |
| 9.3.1975 | GP Estoril | 27 | 911 | Miguel Correira | | 5th |
| 16.3.1975 | National Montlhéry [Gr.4/Gr.5/Gr.7] | 1 | 911 Carrera RSR | Jean-Louis Chateau | | 2nd |
| 16.3.1975 | National Montlhéry [Gr.4/Gr.5/Gr.7] | 3 | 911 Carrera | Jacques Borras | | 1st |
| 16.3.1975 | National Montlhéry [Gr.4/Gr.5/Gr.7] | 5 | 911 Carrera | Hubert Striebig | | 4th |
| 16.3.1975 | National Montlhéry [Gr.4/Gr.5/Gr.7] | 7 | 911 | Pierre Dumas | | DNA |
| 21.3.1975 | 12 h Sebring | 30 | 911 Carrera RSR 3.0 | Dyer / Bienvenue | George Dyer | 2nd |
| 21.3.1975 | 12 h Sebring | 43 | 911 Carrera RSR | Graves / O'Steen / Helmick | Ecurie Escargot | 3rd |
| 21.3.1975 | 12 h Sebring | 91 | 911 Carrera RSR 3.0 | Bolanos / Jourdain / Bolanos | Bolanos Racing | 4th |
| 1975 | Mont-Tremblant | 38 | 910 | Fritz Hochreuter | R. Pechmann | raced |
| 1975 | Mont-Tremblant | | 908/02 | Rainer Brezinka | | raced |
| 1975 | CI Gr.4 Pergusa | | 911 Carrera RSR 3.0 | Capra | | ?th |
| 1975 | CI Gr.4 Mugello | | 911 Carrera RSR 3.0 | Capra | | ?th |
| 1975 | 100 laps Magny-Cours | | 911 Carrera RSR | Méo / Touroul | | 1st |