| 1.5.1977 | 100 mile Laguna Seca I | 00 | 934/5 | Ted Field | Interscope Racing | 10th |
| 1.5.1977 | 100 mile Laguna Seca I | 01 | 911 S | Bob Bergstrom | Sports Ltd. Racing | 17th |
| 1.5.1977 | 100 mile Laguna Seca I | 06 | 934/5 | Dick Barbour | Dick Barbour Performance | 31st |
| 1.5.1977 | 100 mile Laguna Seca I | 09 | 934/5 | Gary Belcher | Belcher Racing | 40th |
| 1.5.1977 | 100 mile Laguna Seca I | 13 | 911 Carrera RSR | Hal Shaw, Jr. | Hal Shaw, Jr. | 21st |
| 1.5.1977 | 100 mile Laguna Seca I | 16 | 934/5 | George Follmer | Vasek Polak Racing | 3rd |
| 1.5.1977 | 100 mile Laguna Seca I | 21 | 911 S | Bill Freeman | | 36th |
| 1.5.1977 | 100 mile Laguna Seca I | 30 | 934/5 | George Dyer | George Dyer | 37th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 33 | 914/6 | Hans-Günther Agosti | Bergischer Motor-Club | 14th |
| 1.5.1977 | 100 mile Laguna Seca I | 38 | 911 Carrera RSR | John Paul | John Paul | 39th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 41 | 914/6 | Dieter Ankele | Autohaus Max-Moritz-Team | 11th |
| 1.5.1977 | 100 mile Laguna Seca I | 45 | 914/6 | Walt Maas | | 11th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 51 | 935 K2 | Bob Wollek | Vaillant Kremer Team | 1st |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 52 | 935 | Manfred Schurti | Jägermeister Max Moritz Team | 10th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 53 | 934/5 | Edgar Dören | Autohaus Max Moritz | 5th |
| 1.5.1977 | 100 mile Laguna Seca I | 54 | 914/6 | Fred Maeder | | 35th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 54 | 935 | Jürgen Neuhaus | Brambring Racing | 3rd |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 56 | | | Kannacher Racing | DNA |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 57 | 935 | Jürgen Kannacher | Kannacher Racing | DNA |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 58 | 935 K | Klaus Drees | Kannacher Racing | 9th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 59 | 935 | Franz Konrad | Franz Konrad | 7th |
| 1.5.1977 | 100 mile Laguna Seca I | 60 | 911 S | Rusty Bond | | 19th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 60 | 934 | Volkert Merl | Firestone IRS M&H Racemaster | DNA |
| 1.5.1977 | 100 mile Laguna Seca I | 61 | 934/5 | Jim Busby | Jim Busby Racing | 2nd |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 61 | 934/5 | Dieter Schornstein | Dieter Schornstein | 6th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 66 | 935 | Rolf Stommelen | Gelo Racing Team Georg Loos KG | 2nd |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 68 | 930 | Franz-Josef Rieder | Franz-Josef Rieder | DNA |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 70 | 911 Carrera RSR | Klaus Utz | Hahn Sportwagen GmbH | 8th |
| 1.5.1977 | 100 mile Laguna Seca I | 71 | 911 S | Gary Nylander | | 26th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 73 | 911 Carrera RS | Gerhard Fetzer | Autohaus Max Moritz GmbH | 11th |
| 1.5.1977 | DRM Nürburgring Eifelrennen | 74 | 935 | Tim Schenken | Gelo Racing Team Georg Loos KG | 4th |
| 1.5.1977 | 100 mile Laguna Seca I | 85 | 911 T | Bob Barnes | Bob Barnes Racing | 38th |
| 1.5.1977 | 100 mile Laguna Seca I | 86 | 911 S | Jim Borsos | | 18th |
| 1.5.1977 | NTK Zandvoort | 87 | 911 Carrera RSR | Toon Suykerbuyk | | 3rd |
| 1.5.1977 | NTK Zandvoort | 91 | 934 | Henri van Oorschot | Scorpio Racing | 1st |
| 1.5.1977 | NTK Zandvoort | 94 | 911 Silhouette | Paul Rilly | | ?th |
| 1.5.1977 | 100 mile Laguna Seca I | 95 | 934/5 | Hurley Haywood | Bob Hagestad Porsche Audi | 7th |
| 3.5.1977 | 1000 km Fuji | 10 | 906 | Hayashi / Takahara | Hayashi Ryouiji Team | 4th |
| 8.5.1977 | Interserie Kassel-Calden | 1 | 908/3 Turbo | Egon Evertz | Egon Evertz KG Schwießtechnik | DNA |
| 8.5.1977 | Interserie Kassel-Calden | 14 | 908/3 Turbo | Reinhold Jöst | Reinhold Jöst | DNA |
| 8.5.1977 | Interserie Kassel-Calden | 35 | 910 | Werner Muschak | Akamot | DNA |
| 8.5.1977 | DRM Kassel-Calden | 51 | 935 K2 | Bob Wollek | Vaillant-Kremer-Team | 1st |
| 8.5.1977 | DRM Kassel-Calden | 52 | 935 | Manfred Schurti | Jägermeister Max Moritz Team | DNF |
| 8.5.1977 | DRM Kassel-Calden | 53 | 934/5 | Edgar Dören | Autohaus Max Moritz GmbH | 4th |
| 8.5.1977 | DRM Kassel-Calden | 54 | 935 | Jürgen Neuhaus | Brambring-Racing | 3rd |
| 8.5.1977 | DRM Kassel-Calden | 59 | 935 K | Franz Konrad | Kannacher GT-Racing | DNF |
| 8.5.1977 | DRM Kassel-Calden | 61 | 934/5 | Dieter Schornstein | Dieter Schornstein | DNF |
| 8.5.1977 | DRM Kassel-Calden | 66 | 935 | Rolf Stommelen | Gelo-Racing-Team Georg Loos KG | 2nd |
| 8.5.1977 | Belgium Spa | 71 | 911 Carrera RS | "Alex" | | 8th |
| 8.5.1977 | DRM Kassel-Calden | 73 | 911 Carrera RSR | Dietrich Krumm | Autohaus Max Moritz GmbH | 7th |
| 8.5.1977 | DRM Kassel-Calden | 74 | 911 Carrera RSR | Eckhard Schimpf | Jägermeister Max Moritz-Team | 6th |
| 8.5.1977 | Belgium Spa | 75 | 911 Carrera | | | raced |
| 8.5.1977 | DRM Kassel-Calden | 75 | 934 | Bernd Renneisen | | DNF |
| 8.5.1977 | DRM Kassel-Calden | 76 | 911 Carrera | Josef Brambring | Brambring-Racing-Team | 9th |
| 8.5.1977 | DRM Kassel-Calden | 77 | 934 | Hans Christian Jürgensen | Hans Christian Jürgensen | 5th |
| 8.5.1977 | DRM Kassel-Calden | 78 | 934 | Romain Feitler | Porsche Kremer-Racing-Team | 8th |
| 8.5.1977 | DRM Kassel-Calden | 79 | 911 Carrera | Rolf Jansson | | DNF |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RSR | Peter Schem | Peter Schem | 3rd |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RSR | Armin Jahn | Hahn-Sportwagen-GmbH | 2nd |
| 8.5.1977 | DRM Kassel-Calden | | 934/5 | Volkert Merl | IRS-Firestone-M&H Racemaster | DNS |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RSR 3.0 | Hans Forster | Kannacher-GT-Racing | 4th |
| 8.5.1977 | DARM Saarlouis | | 914/6 | Hans-Günther Agosti | Bergischer MC | 1st |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RS | Rolf Blind | Hahn-Sportwagen-GmbH | ?th |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RS | Leo Eigner | Hahn-Sportwagen-GmbH | ?th |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RS | Ralf-Dieter Schreiber | Ralf-Dieter Schreiber | ?th |
| 8.5.1977 | DARM Saarlouis | | 930 | Fritz Engelhardt | Fritz Engelhardt | ?th |
| 8.5.1977 | DARM Saarlouis | | 930 | Hugo Nückel | Hugo Nückel | ?th |
| 8.5.1977 | DARM Saarlouis | | 911 Carrera RS | Jürgen Lässig | Autohaus Max-Moritz GmbH | ?th |
| 15.5.1977 | 100 mile Mid-America | 01 | 911 S | Bob Bergstrom | Sports Ltd. Racing | 9th |
| 15.5.1977 | 100 mile Mid-America | 07 | 911 Carrera RSR | Dave Cowart | Morrison's Inc. | 7th |
| 15.5.1977 | 100 mile Mid-America | 08 | 911 S | Terry Wolters | Busch Beer | 14th |
| 15.5.1977 | 100 mile Mid-America | 09 | 934/5 | Gary Belcher | Belcher Racing | 5th |
| 15.5.1977 | 6 h Silverstone | 1 | 935/77 | Mass / Ickx | Martini Racing Porsche System | 1st |
| 15.5.1977 | 6 h Silverstone | 3 | 935 | Wollek / Fitzpatrick | Porsche Kremer Racing | 2nd |
| 15.5.1977 | 6 h Silverstone | 5 | 935 | Schenken / Bell | Gelo Racing Team | DNF |
| 15.5.1977 | 100 mile Mid-America | 6 | 934/5 | Dick Barbour | Dick Barbour Performance | 11th |
| 15.5.1977 | 6 h Silverstone | 6 | 935 | Stommelen / Hezemans | Gelo Racing Team | 3rd |
| 15.5.1977 | 6 h Silverstone | 8 | 935 | Finotto / Facetti | Jolly Club | 6th |
| 15.5.1977 | 6 h Silverstone | 9 | 934 | Brambilla / Moretti | Jolly Club | 7th |
| 15.5.1977 | 6 h Silverstone | 10 | 934 | Haldi / Jöst | GVEA | 8th |
| 15.5.1977 | 6 h Silverstone | 11 | 935 K | Konrad / Hähnlein | Kannacher GT Racing | 5th |
| 15.5.1977 | 6 h Silverstone | 14 | 934 | Capra / "Archimede" / Gottifredi | Capoferri Engineering | 12th |
| 15.5.1977 | 6 h Silverstone | 15 | 911 Carrera RSR Turbo | Gottifredi / Ghislotti | Capoferri Engineering | DNS |
| 15.5.1977 | 100 mile Mid-America | 27 | 911 S | Ray Mummery | Miami Auto Racing | 12th |
| 15.5.1977 | 100 mile Mid-America | 30 | 911 Carrera RSR 3.0 | George Dyer | George Dyer | 2nd |
| 15.5.1977 | 6 h Silverstone | 31 | 911 Carrera RSR | Simonsen / Leim | Kenneth Leim | 9th |
| 15.5.1977 | 6 h Silverstone | 32 | 911 Carrera RSR 3.0 | Classick / Fisher / Sytner | Casbah Racing Organisation | DNF |
| 15.5.1977 | 6 h Silverstone | 33 | 911 Carrera RSR | Utz / Jahn | Hahn Sportwagen GmbH | 10th |
| 15.5.1977 | 100 mile Mid-America | 34 | 911 S | George Drolsom | George Drolsom | 24th |
| 15.5.1977 | 6 h Silverstone | 35 | 911 Carrera RSR 3.0 | Franey / Bracey | Chandler Ibec International - Team Lloyds | 11th |
| 15.5.1977 | 6 h Silverstone | 36 | 911 Carrera | Lovett / Wingrove | Tony Wingrove | 14th |
| 15.5.1977 | 100 mile Mid-America | 38 | 911 Carrera RSR | John Paul | John Paul | 6th |
| 15.5.1977 | 100 mile Mid-America | 45 | 914/6 | Walt Maas | | 8th |
| 15.5.1977 | Targa Florio | 54 | 911 Carrera RS | Pastorello / Pastorello | | 44th |
| 15.5.1977 | 100 mile Mid-America | 60 | 911 S | Rusty Bond | Rusty Bond | 10th |
| 15.5.1977 | 100 mile Mid-America | 61 | 934/5 | Jim Busby | Jim Busby | 25th |
| 15.5.1977 | Targa Florio | 77 | 911 Carrera RS | Gomito / Semilia | | 19th |
| 15.5.1977 | 100 mile Mid-America | 85 | 914/6 | Ron Coupland | Ron Coupland | 23rd |
| 15.5.1977 | Targa Florio | 85 | 911 S | Messina / Rizzuto | | 22nd |
| 15.5.1977 | 100 mile Mid-America | 95 | 934/5 | Hurley Haywood | Bob Hagestad | 3rd |