| 1.10.1978 | DRM Nürburgring Supersprint | 7 | 935 | | Weisberg Gelo Team | DNA |
| 1.10.1978 | DRM Nürburgring Supersprint | 8 | 935/77A | John Fitzpatrick | Weisberg Gelo Team | DNA |
| 1.10.1978 | DRM Nürburgring Supersprint | 16 | 935/77A | Volkert Merl | Konrad Racing | DNF |
| 1.10.1978 | DRM Nürburgring Supersprint | 17 | 911 Carrera RSR | Leo Eigner | Autohaus Max Moritz GmbH | 10th |
| 1.10.1978 | DRM Nürburgring Supersprint | 18 | | | Porsche Kremer Racing | DNA |
| 1.10.1978 | DRM Nürburgring Supersprint | 19 | | | Porsche Kremer Racing | DNA |
| 1.10.1978 | DRM Nürburgring Supersprint | 20 | 911 Carrera RSR | Hans Großmann | Sports Car Club of Stuttgart | 9th |
| 1.10.1978 | DRM Nürburgring Supersprint | 42 | 911 Carrera RSR | Matthias Lörper | Norddeutscher Automobilclub Hamburg | 11th |
| 1.10.1978 | DRM Nürburgring Supersprint | 70 | Turbo | | Weisberg Gelo Team | DNA |
| 1.10.1978 | Zolder | 73 | 935 | Claude Bourgoignie | | 1st |
| 1.10.1978 | Zolder | 76 | 935 K | John Lagodny | | 2nd |
| 1.10.1978 | Erding [GT+?] | | 934 | Franz Gschwender | | 1st |
| 8.10.1978 | 24 h Nürburgring | 1 | 911 Carrera RS | Müller / Hechler / Gschwender | Müllerbräu-Valvoline-Racing | 1st |
| 8.10.1978 | 24 h Nürburgring | 2 | 911 Carrera RS 3.0 | Walter / Prinz | Team Vicom Alarmsysteme-Vettmann Tuning | DNF |
| 8.10.1978 | 24 h Nürburgring | 3 | 911 Carrera | Lörper / Oppermann / Römer | Norddeutscher Automobilclub | 3rd |
| 8.10.1978 | 24 h Nürburgring | 4 | 911 Carrera RS | Mentel / Probst / Gilges | | 7th |
| 8.10.1978 | 24 h Nürburgring | 6 | 911 Carrera | Feitler / Dören / Mast | Keiper Dynavit Team | DNF |
| 8.10.1978 | Trans-Am Laguna Seca | 7 | 935 | Ludwig Heimrath | Heimrath Racing | 3rd |
| 8.10.1978 | Trans-Am Laguna Seca | 13 | 935 | Hal Shaw, Jr. | Hal Shaw Racing | 32nd |
| 8.10.1978 | Trans-Am Laguna Seca | 16 | 914/6 | Darrel Overstreet | Oversteering Racing | 25th |
| 8.10.1978 | Trans-Am Laguna Seca | 21 | 935 | Bruce Canepa | Canepa Racing | DNS |
| 8.10.1978 | Trans-Am Laguna Seca | 23 | 914/6 | Bob Zulkowski | Metal Craft Racing | 31st |
| 8.10.1978 | Trans-Am Laguna Seca | 26 | 911 | Tom Masterson | Swag Engineering | 29th |
| 8.10.1978 | Trans-Am Laguna Seca | 57 | 935 | Monte Shelton | Porsche+Audi Northwest | 30th |
| 8.10.1978 | Trans-Am Laguna Seca | 61 | 911 S | Gary Nylander | Bear Gulch Racing | 27th |
| 8.10.1978 | Benelux Zandvoort | 73 | 935 | Claude Bourgoignie | | 1st |
| 8.10.1978 | Benelux Zandvoort | 74 | 935 | Henri van Oorschot | Henri van Oorschot | DNF |
| 8.10.1978 | Trans-Am Laguna Seca | 85 | 934/5 | Bruce Leven | Bayside Disposal Racing | 6th |
| 15.10.1978 | Joisten Trophy Zolder | 5 | 935/77A | Josef Brambring | Vaillant Kremer Team | DNF |
| 15.10.1978 | Joisten Trophy Zolder | 6 | 935/77A | Dieter Schornstein | Porsche Kremer Racing | 2nd |
| 15.10.1978 | Joisten Trophy Zolder | 7? | 935/77A | "John Winter" | Minolta Kremer Racing | 5th |
| 15.10.1978 | Joisten Trophy Zolder | 8 | 935 | Claude Bourgoignie | | 1st |
| 15.10.1978 | DARM Zolder Finale [GT] | 22 | 934 | Hans Christian Jürgensen | | 1st |
| 15.10.1978 | Joisten Trophy Zolder | 24 | 934 | Gerhard Holup | | 11th |
| 15.10.1978 | DARM Zolder Finale [GT] | 24 | 934 | Gerhard Holup | | 2nd |
| 15.10.1978 | DARM Zolder Finale [GT] | | 911 Carrera RS | Richard Weber | | 13th |
| 15.10.1978 | DARM Zolder Finale [GT] | | 934 | Raymond Raus | | 7th |
| 15.10.1978 | Joisten Trophy Zolder | | 934 | Willy Braillard | | 15th |
| 18.10.1978 | Giro d'Italia | 356 | 911 | di Gioia | | DNF |
| 18.10.1978 | Giro d'Italia | 358 | 911 | Tarantini / Ghibli / Ceci | | DNF |
| 18.10.1978 | Giro d'Italia | 360 | 911 Carrera | Viganò / Ciarpaglini | | 29th |
| 18.10.1978 | Giro d'Italia | 361 | 911 Carrera | Regis / Perotto / Cena | | 6th |
| 18.10.1978 | Giro d'Italia | 362 | 911 Carrera | Bos / Keller / Sante | | 9th |
| 18.10.1978 | Giro d'Italia | 363 | 911 Carrera RS | Nardini / Fortini | | 8th |
| 18.10.1978 | Giro d'Italia | 364 | 911 SR | Mercadante / Canavoso | | 16th |
| 18.10.1978 | Giro d'Italia | 437 | 911 Carrera | Lelong | | 24th |
| 18.10.1978 | Giro d'Italia | 438 | 911 | Nuri Pelit / Zonca | | DNF |
| 18.10.1978 | Giro d'Italia | 440 | 930 | "Tambauto" | | DNF |
| 18.10.1978 | Giro d'Italia | 504 | 911 S | Govoni / Angelelli | | 20th |
| 18.10.1978 | Giro d'Italia | 508 | 911 Carrera | Berruto / Pons | | 39th |
| 18.10.1978 | Giro d'Italia | 509 | 934 RSR | Milano / Pozzo | | 7th |
| 18.10.1978 | Giro d'Italia | 511 | 935 | Finotto / Facetti / de Antoni | | 2nd |
| 18.10.1978 | Giro d'Italia | 512 | 935 | "Victor" / Monticone | "Victor" | DNF |
| 22.10.1978 | 3 h Hockenheim | 5 | 935 | Müller / Haldi | | 1st |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 31 | 930 | Claude Ballot-Léna | | DNA |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 33 | 930 | | | DNA |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 35 | 911 Carrera | Roland Ennequin | | DNA |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 37 | 911 Carrera | Pierre Herbland-Morin | | DNA |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 51 | 911 Carrera RSR | Anny-Charlotte Verney | | DNA |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 55 | 934 | Christian Bussi | | raced |
| 22.10.1978 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 55 | 911 Carrera | Max Antichan | | DNA |
| 29.10.1978 | 500 mile Fuji | 3 | 935 | Takahara / Ikuzawa | Italya Sport | 4th |
| 29.10.1978 | US Champions Road Atlanta [ASR+BSR+FA] | 13 | 935 | Monte Shelton | Porsche-Audi Northwest | DNA |
| 29.10.1978 | US Champions Road Atlanta [BP] | 15 | 911 SC | Stefan Edlis | Apollo Plastics Corp. | 2nd |
| 29.10.1978 | US Champions Road Atlanta [BP] | 29 | 911 S | Richard Weiss | Time Machines Inc. | 7th |
| 29.10.1978 | US Champions Road Atlanta [BP] | 39 | 911 SC | Greg LaCava | Greg LaCava | 3rd |
| 29.10.1978 | US Champions Road Atlanta [ASR+BSR+FA] | 57 | | Robert Frostrom | Frostrom Sports & Imp. | 12th |
| 29.10.1978 | US Champions Road Atlanta [CP] | 69 | | Frank Harmstad | Competition Motors | raced |
| 29.10.1978 | US Champions Road Atlanta [CP] | 88 | | Ted Klint | Nylint Steel Toys | 8th |
| 5.11.1978 | Trans-Am Mexico | 2 | 911 Carrera RSR | Gustavo Bolanos | BMB Racing | 13th |
| 5.11.1978 | Trans-Am Mexico | 7 | 935 | Ludwig Heimrath | Heimrath Racing | 1st |
| 5.11.1978 | Trans-Am Mexico | 8 | 935 | Janet Guthrie | | 4th |
| 5.11.1978 | Trans-Am Mexico | 9A | 934/5 | Gary Belcher | Belcher Racing | DNS |
| 5.11.1978 | Trans-Am Mexico | 13 | 935 | Hal Shaw, Jr. | Hal Shaw Racing | 21st |
| 5.11.1978 | Trans-Am Mexico | 26 | 911 | Tom Masterson | Swag Engineering | 19th |
| 5.11.1978 | Trans-Am Mexico | 85 | 934/5 | Bruce Leven | Bayside Disposal Racing | 12th |
| 5.11.1978 | Trans-Am Mexico | 181 | 935 | "Jamsal" | Scorpio Racing | 10th |
| 5.11.1978 | CI Gr.5 Vallelunga | | 935 | "Victor" | "Victor" | 2nd |
| 5.11.1978 | CI Gr.5 Vallelunga | | | Radicella | | 4th |
| 5.11.1978 | CI Gr.5 Vallelunga | | 935 | Carlo Facetti | | 1st |
| 5.11.1978 | Rheintal Hockenheim | | 911 Carrera RS | Richard Weber | | 3rd |
| 5.11.1978 | Rheintal Hockenheim | | 934 | Edi Kofel | | 1st |
| 26.11.1978 | 250 mile Daytona Finale | 00 | 935/77A | Danny Ongais | Interscope Racing | 2nd |
| 26.11.1978 | 250 mile Daytona Finale | 01 | 911 S | Dave White | Roehrig Racing | DNA |
| 26.11.1978 | 250 mile Daytona Finale | 08 | 911 S | Wolters / Miller | Terry Wolters | 54th |
| 26.11.1978 | 250 mile Daytona Finale | 4 | 911 Carrera RSR | Bartling / Bytzek | Bytzek Automotive | DNA |
| 26.11.1978 | 250 mile Daytona Finale | 7 | 935 | Heimrath / Moran | Heimrath Racing | 5th |
| 26.11.1978 | 250 mile Daytona Finale | 9 | 935 | Whittington / Whittington | Whittington Bros. | 56th |
| 26.11.1978 | 250 mile Daytona Finale | 18 | 935 JLP-1 | John Paul | JLP Racing | 3rd |
| 26.11.1978 | 250 mile Daytona Finale | 28 | 935 | Kearns / Minter | Desperado Racing | 16th |
| 26.11.1978 | 250 mile Daytona Finale | 30 | 935 | Moretti / Haywood | Electrodyne | 4th |
| 26.11.1978 | 250 mile Daytona Finale | 34 | 911 S | George Drolsom | Drolsom Racing | 28th |
| 26.11.1978 | 250 mile Daytona Finale | 38 | 911 Carrera RSR | Fernandez / Gonzalez | Boricua Motors | 33rd |
| 26.11.1978 | 250 mile Daytona Finale | 55 | 911 Carrera RSR | Howard Meister | Andial Porsche/Meister Homes | DNA |
| 26.11.1978 | 250 mile Daytona Finale | 58 | 911 Carrera RSR | Diego Febles | Diego Febles Racing | 11th |
| 26.11.1978 | 250 mile Daytona Finale | 59 | 935/77A | Peter Gregg | Brumos Porsche-Audi | 1st |
| 26.11.1978 | 250 mile Daytona Finale | 62 | 914/6 | Bill Koll | Koll Motor Sports | DNA |
| 26.11.1978 | 250 mile Daytona Finale | 76 | 911 Carrera RSR | Norm Ridgely | Ridgely Racing | 17th |
| 26.11.1978 | 250 mile Daytona Finale | 93 | 935 | Don Whittington | Whittington Bros. | 13th |
| 26.11.1978 | 250 mile Daytona Finale | 94 | 935/77A | Bill Whittington | Whittington Bros. | 7th |