| 4.9.1978 | Trans-Am Road America | 0 | 914/6 | Dick Salem | Dick Salem Racing | 18th |
| 4.9.1978 | Road Atlanta [GTU] II | 01 | 911 S | Dave White | Roehrig Racing | 29th |
| 4.9.1978 | Road Atlanta [GTU] II | 02 | 911 S | J. Dana Roehrig | Roehrig Racing | DNA |
| 4.9.1978 | Road Atlanta [GTU] II | 08 | 911 S | Terry Wolters | Terry Wolters | 13th |
| 4.9.1978 | 100 mile Road Atlanta II | 6 | 911 Carrera RSR | Luis Mendez | Luiz Mendez | DNA |
| 4.9.1978 | Trans-Am Road America | 7 | 935 | Ludwig Heimrath | Heimrath Racing | 39th |
| 4.9.1978 | 100 mile Road Atlanta II | 8 | 911 Carrera RSR | Bob Beasley | Bob Beasley | DNA |
| 4.9.1978 | Road Atlanta [GTU] II | 9 | 914/6 | Frank Harmstad | Frank Harmstad | 10th |
| 4.9.1978 | Trans-Am Road America | 13 | 935 | Hal Shaw, Jr. | Hal Shaw - Ore House | 4th |
| 4.9.1978 | Trans-Am Road America | 22 | 911 | Tom Masterson | Tom Masterson | DNA |
| 4.9.1978 | Road Atlanta [GTU] II | 27 | 911 S | Ray Mummery | Miami Auto Racing | 9th |
| 4.9.1978 | Road Atlanta [GTU] II | 34 | 911 S | George Drolsom | George Drolsom | 12th |
| 4.9.1978 | Road Atlanta [GTU] II | 36 | 911 | Dave Panaccione | Dave Panaccione | 19th |
| 4.9.1978 | Road Atlanta [GTU] II | 40 | 914/6 | Steve Southard | Steve Southard | 31st |
| 4.9.1978 | Road Atlanta [GTU] II | 42 | 911 S | Bill Bean | Bullwinkele Racing | 26th |
| 4.9.1978 | Road Atlanta [GTU] II | 44 | 911 | Kent Murry | SUD Porsche Racing | DNA |
| 4.9.1978 | Road Atlanta [GTU] II | 50 | 911 S | Fritz Hochreuter | Fritz Hochreuter | 14th |
| 4.9.1978 | Road Atlanta [GTU] II | 51 | 911 S | John Hotchkis | John Hotchkis | 8th |
| 4.9.1978 | Trans-Am Road America | 52 | 911 Carrera RSR | J. Robert Johnson | Autoworks | 15th |
| 4.9.1978 | Trans-Am Road America | 57 | 935 | Monte Shelton | Porsche-Audi Nothwest | DNS |
| 4.9.1978 | Road Atlanta [GTU] II | 60 | 911 S | Rusty Bond | R & R Racing | 11th |
| 4.9.1978 | Road Atlanta [GTU] II | 62 | 914/6 | Bill Koll | Koll Motor Sports | 24th |
| 4.9.1978 | Road Atlanta [GTU] II | 76 | 911 | Frank Thomas | Quality Inn of Boise | 23rd |
| 4.9.1978 | Road Atlanta [GTU] II | 85 | 914/6 | Hulen / Coupland | John Hulen | 16th |
| 4.9.1978 | Trans-Am Road America | 85 | 934/5 | Bruce Leven | Bayside Disposal Co. | 14th |
| 4.9.1978 | Trans-Am Road America | 91 | 911 Carrera RSR | Roger Schramm | Framm Promotions | 9th |
| 4.9.1978 | Trans-Am Road America | 94 | 911 Carrera RSR | Rudy Bartling | Bytzek Automotive Design | 29th |
| 10.9.1978 | Nürburgring Trophy [T/GT] | 1 | 911 Carrera RSR | Matthias Lörper | Norddeutscher Automobilclub | DNA |
| 10.9.1978 | Interserie Nürburgring | 1 | 908/3 Turbo | Reinhold Jöst | Liqui Moly équipe | 1st |
| 10.9.1978 | Interserie Nürburgring | 2 | 908/3 Turbo | Bob Wollek | Porsche Kremer Racing | 2nd |
| 10.9.1978 | Nürburgring Trophy [T/GT] | 4 | 911 Carrera RSR | Hans Großmann | Sports-Car-Club of Stuttgart | DNA |
| 10.9.1978 | Nürburgring Trophy [T/GT] | 5 | 911 Carrera RSR 3.0 | John Lagodny | Johny Lagodny | DNA |
| 10.9.1978 | Zolder | 73 | 935 | Claude Bourgoignie | | 1st |
| 10.9.1978 | Zolder | | 935 | Henri van Oorschot | Henri van Oorschot | DNS |
| 10.9.1978 | Zolder | | 934 | Raymond Raus | | 2nd |
| 16.9.1978 | Benelux Zandvoort | 73 | 935 | Claude Bourgoignie | | 1st |
| 16.9.1978 | Benelux Zandvoort | 74 | 935 | Henri van Oorschot | Henri van Oorschot | 2nd |
| 16.9.1978 | Benelux Zandvoort | 84 | 934 | Raymond Raus | | raced |
| 17.9.1978 | DRM Norisring | 2 | 935/77A | Bob Wollek | Vaillant Kremer Team | 3rd |
| 17.9.1978 | Norisring Trophäe | 2 | 935/77A | Bob Wollek | Vaillant Kremer Team | 1st |
| 17.9.1978 | DRM Norisring | 3 | 935/77A | Dieter Schornstein | Porsche Kremer Racing | 4th |
| 17.9.1978 | Norisring Trophäe | 3 | 935/77A | Dieter Schornstein | Porsche Kremer Racing | 11th |
| 17.9.1978 | DRM Norisring | 4 | 935/77A | "John Winter" | Minolta Kremer Team | DNF |
| 17.9.1978 | Norisring Trophäe | 4 | 935/77A | "John Winter" | Minolta Kremer Team | 10th |
| 17.9.1978 | Norisring Trophäe | 5 | 935/77A | Manfred Schurti | Jägermeister Max Moritz Team | 19th |
| 17.9.1978 | DRM Norisring | 5 | 935/77A | Manfred Schurti | Jägermeister Max Moritz Team | 1st |
| 17.9.1978 | Norisring Trophäe | 6 | 935/77A | Toine Hezemans | Weisberg-Gelo-Team | 2nd |
| 17.9.1978 | DRM Norisring | 6 | 935/77A | Toine Hezemans | Weisberg-Gelo-Team | DNF |
| 17.9.1978 | Norisring Trophäe | 8 | 935/77A | John Fitzpatrick | Weisberg-Gelo-Team | 4th |
| 17.9.1978 | DRM Norisring | 8 | 935/77A | John Fitzpatrick | Weisberg-Gelo-Team | DNF |
| 17.9.1978 | Norisring Trophäe | 9 | 935/77A | Klaus Ludwig | Weisberg-Gelo-Team | 17th |
| 17.9.1978 | DRM Norisring | 9 | 935/77A | Klaus Ludwig | Weisberg-Gelo-Team | 2nd |
| 17.9.1978 | Norisring Trophäe | 11 | 935 | | Liqui-Moly-Equipe | DNA |
| 17.9.1978 | DRM Norisring | 11 | 935 | | Liqui-Moly-Equipe | DNA |
| 17.9.1978 | DRM Norisring | 15 | 935 | Claude Haldi | Meccarillos Racing Team | 5th |
| 17.9.1978 | Norisring Trophäe | 15 | 935 | Claude Haldi | Meccarillos Racing Team | 6th |
| 17.9.1978 | DRM Norisring | 16 | 935/77A | Volkert Merl | Konrad-Racing | DNF |
| 17.9.1978 | Norisring Trophäe | 16 | 935/77A | Franz Konrad | Konrad-Racing | 3rd |
| 17.9.1978 | DRM Norisring | 19 | 911 Carrera | Anton Fischhaber | Jägermeister Racing Team | DNA |
| 17.9.1978 | DRM Norisring | 20 | 934 | Edgar Dören | Jägermeister Max Moritz Team | 6th |
| 17.9.1978 | Norisring Trophäe | 20 | 934 | Edgar Dören | Jägermeister Max Moritz Team | DNS |
| 17.9.1978 | DRM Norisring | 26 | 911 Carrera RS | Armin Jahn | Hahn Sportwagen GmbH | DNA |
| 17.9.1978 | DRM Norisring | 27 | 934 | Franz Gschwender | Franz Gschwender | DNA |
| 17.9.1978 | Norisring Trophäe | 27 | 934 | Franz Gschwender | Franz Gschwender | DNA |
| 17.9.1978 | DRM Norisring | 28 | | | Autohaus Max Moritz | DNA |
| 17.9.1978 | DRM Norisring | 29 | 935 | Jean-Louis Lafosse | ASA Cachia Seiko | DNS |
| 17.9.1978 | Norisring Trophäe | 29 | 935 | Jean-Louis Lafosse | ASA Cachia Seiko | 5th |
| 17.9.1978 | Norisring Trophäe | 36 | 911 Carrera | Kurt Simonsen | Team Västkustscugan | DNS |
| 17.9.1978 | DRM Norisring | 36 | 911 Carrera | Kurt Simonsen | Team Västkustscugan | DNF |
| 17.9.1978 | DRM Norisring | 37 | 934 | Kenneth Leim | Kenneth Leim | DNA |
| 17.9.1978 | Norisring Trophäe | 37 | 934 | Kenneth Leim | Kenneth Leim | DNA |
| 17.9.1978 | Norisring Trophäe | 39 | 935 | Henri van Oorschot | Henri van Oorschot | DNA |
| 17.9.1978 | DRM Norisring | 39 | 935 | Henri van Oorschot | Henri van Oorschot | DNA |
| 17.9.1978 | DRM Norisring | 40 | 935/78 | Jacky Ickx | Martini Racing Porsche System | DNS |
| 17.9.1978 | Norisring Trophäe | 40 | 935/78 | Jacky Ickx | Martini Racing Porsche System | 21st |
| 17.9.1978 | DRM Norisring | 41 | 935 | | Porsche Kremer Racing | DNA |
| 17.9.1978 | Norisring Trophäe | 41 | 935 | | Porsche Kremer Racing | DNA |
| 30.9.1978 | Zolder | 73 | 935 | Claude Bourgoignie | | 1st |
| 1.10.1978 | DRM Nürburgring Supersprint | 2 | 935/77A | Bob Wollek | Vaillant Kremer Team | 1st |
| 1.10.1978 | DRM Nürburgring Supersprint | 3 | 935/77A | Dieter Schornstein | Porsche Kremer Racing | 6th |
| 1.10.1978 | DRM Nürburgring Supersprint | 4 | 935/77A | "John Winter" | Minolta Kremer Team | 7th |
| 1.10.1978 | DRM Nürburgring Supersprint | 5 | 935/77A | Manfred Schurti | Jägermeister Max-Moritz-Team | 5th |
| 1.10.1978 | DRM Nürburgring Supersprint | 6 | 935/77A | Toine Hezemans | Weisberg Gelo Team | 2nd |
| 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 | 9 | 935/77A | Klaus Ludwig | Weisberg Gelo Team | 3rd |
| 1.10.1978 | DRM Nürburgring Supersprint | 11 | 935 | Reinhold Jöst | Liqui Moly equipe | 4th |
| 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 | 41 | 934 | Edgar Dören | Jägermeister Max-Moritz-Team | 8th |
| 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 | 3 | 911 Carrera | Lörper / Oppermann / Römer | Norddeutscher Automobilclub | 3rd |