| 26.6.1977 | SCCA Laguna Seca [AP+BP+CP] | 7 | 911 Targa | | | raced |
| 26.6.1977 | Trans-Am Nelson Ledges | 18 | 911 Carrera RSR | Eitel Maier | Heimrath Racing | 10th |
| 26.6.1977 | Trans-Am Nelson Ledges | 57 | 911 Carrera RSR 3.0 | John Wood | John Wood Racing | 12th |
| 26.6.1977 | Trans-Am Nelson Ledges | 59 | 934/5 | Peter Gregg | Brumos Porsche | 7th |
| 26.6.1977 | Trans-Am Nelson Ledges | 88 | 911 Carrera RSR | Peter Overing | Dicom Corporation | 11th |
| 26.6.1977 | Trans-Am Nelson Ledges | 98 | 911 | Tom Spalding | John Bauer Racing | 5th |
| 26.6.1977 | DARM Zolder [2.0] | 318 | 911 Carrera RS | Gerhard Happel | Dr. Gerhard Happel | ?th |
| 26.6.1977 | DARM Zolder [2.0] | 319 | 911 Carrera RS | Ralf-Dieter Schreiber | Ralf-Dieter Schreiber | DNF |
| 26.6.1977 | DARM Zolder [2.0] | 320 | 911 Carrera RSR | Fritz Müller | Autohaus Max-Moritz | ?th |
| 26.6.1977 | DARM Zolder [2.0] | 321 | 911 Carrera | Peter Schem | Peter Schem | DNF |
| 26.6.1977 | DARM Zolder [2.0] | 322 | 911 Carrera RS | Harald Reimann | Harald Reimann | DNF |
| 26.6.1977 | DARM Zolder | 327 | 930 | Hugo Nückel | Hugo Nückel | DNA |
| 26.6.1977 | DARM Zolder | 346 | 934 | Hans Christian Jürgensen | Hans-Christian Jürgensen | ?th |
| 26.6.1977 | DARM Zolder | 347 | 934 | Raymond Raus | Raymond Raus | DNF |
| 26.6.1977 | DARM Zolder | 348 | 934 | Eberhard Sindel | Valvoline Racing | DNF |
| 26.6.1977 | DARM Zolder | 375 | 935 K | Franz Konrad | Kannacher Racing Team | 1st |
| 26.6.1977 | DARM Zolder | 537 | 911 Carrera RSR 3.0 | Peter Pospieszczyk | Peter Pospieszczyk | ?th |
| 26.6.1977 | DARM Zolder | 538 | 911 Carrera RS | Rolf Blind | Hahn Sportwagen GmbH | ?th |
| 26.6.1977 | DARM Zolder [2.0] | 539 | 911 Carrera RS | Leo Eigner | Hahn Sportwagen GmbH | ?th |
| 26.6.1977 | DARM Zolder | 540 | 911 Carrera RSR 3.0 | Hans Forster | Hans Forster | DNA |
| 26.6.1977 | DARM Zolder | 541 | 911 Carrera | Heinz Conrad | Heinz Conrad | ?th |
| 26.6.1977 | DARM Zolder | 542 | 911 Carrera RSR 3.0 | John Lagodny | John Lagodny | ?th |
| 26.6.1977 | DARM Zolder | | 914/6 | Hans-Günther Agosti | Bergischer MC | ?th |
| 26.6.1977 | DARM Zolder | | 914/6 | Dieter Ankele | Autohaus Max-Moritz GmbH | ?th |
| 26.6.1977 | DARM Zolder | | 934/5 | Dieter Schornstein | Dieter Schornstein | 2nd |
| 3.7.1977 | Norisring Trophäe | 40 | 935/77 2.0 | Jacky Ickx | Martini Racing Porsche System | 7th |
| 3.7.1977 | DRM Norisring | 40 | 935/77 2.0 | Jacky Ickx | Martini Racing Porsche System | DNF |
| 3.7.1977 | Norisring Trophäe | 50 | 935/77 | Wollek | Martini Racing Porsche System | 2nd |
| 3.7.1977 | DRM Norisring | 51 | 935 K2 | Bob Wollek | Vaillant-Kremer-Team | DNF |
| 3.7.1977 | Norisring Trophäe | 51 | 935 K2 | Bob Wollek | Vaillant Kremer Team | DNS |
| 3.7.1977 | Norisring Trophäe | 52 | 935 | Manfred Schurti | Jägermeister Max Moritz Team | 1st |
| 3.7.1977 | DRM Norisring | 52 | 935 | Manfred Schurti | Jägermeister Max Moritz Team | 2nd |
| 3.7.1977 | DRM Norisring | 53 | 934/5 | Edgar Dören | Autohaus Max Moritz GmbH | 6th |
| 3.7.1977 | Norisring Trophäe | 53 | 934/5 | Edgar Dören | Autohaus Max Moritz GmbH | 6th |
| 3.7.1977 | DRM Norisring | 54 | 935 | Jürgen Neuhaus | Brambring-Franz-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 54 | 935 | Jürgen Neuhaus | Brambring-Franz-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 58 | 935 K | Franz Konrad | Kannacher GT-Racing | 5th |
| 3.7.1977 | DRM Norisring | 58 | 935 K | Franz Konrad | Kannacher GT-Racing | 5th |
| 3.7.1977 | DRM Norisring | 60 | 934/5 | Volkert Merl | IRS-Firestone-M&H Racemaster | DNF |
| 3.7.1977 | Norisring Trophäe | 60 | 934/5 | Volkert Merl | IRS-Firestone M&H Racemaster | DNS |
| 3.7.1977 | Norisring Trophäe | 61 | 934/5 | Dieter Schornstein | Dieter Schornstein | 10th |
| 3.7.1977 | DRM Norisring | 61 | 934/5 | Dieter Schornstein | Dieter Schornstein | DNF |
| 3.7.1977 | DRM Norisring | 66 | 935 | Rolf Stommelen | Gelo Racing Team Georg Loos Werbe KG | 1st |
| 3.7.1977 | Norisring Trophäe | 66 | 935 | Rolf Stommelen | Gelo Racing Team Georg Loos Werbe KG | 3rd |
| 3.7.1977 | Norisring Trophäe | 67 | 935 | Toine Hezemans | Gelo Racing Team Georg Loos Werbe KG | 13th |
| 3.7.1977 | DRM Norisring | 67 | 935 | Tim Schenken | Gelo Racing Team Georg Loos Werbe KG | 4th |
| 3.7.1977 | DRM Norisring | 70 | 935 | Peter Gregg | Vaillant Kremer Team | 3rd |
| 3.7.1977 | Norisring Trophäe | 70 | 935 | Peter Gregg | Vaillant Kremer Team | 15th |
| 3.7.1977 | DRM Norisring | 71 | | | Vaillant-Kremer-Team | DNA |
| 3.7.1977 | DRM Norisring | 72 | 934/5 | Klaus Utz | Hahn Sportwagen GmbH | DNF |
| 3.7.1977 | Norisring Trophäe | 72 | 934/5 | Klaus Utz | Hahn Sportwagen GmbH | DNS |
| 3.7.1977 | DRM Norisring | 73 | 934 | Bernd Lage | Bernd Lage | DNA |
| 3.7.1977 | Norisring Trophäe | 73 | 934 | Bernd Lage | Bernd Lage | DNA |
| 3.7.1977 | DRM Norisring | 74 | 935 | Claude Ballot-Léna | GMS-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 74 | 935 | Claude Ballot-Léna | GMS-Racing | DNA |
| 3.7.1977 | DRM Norisring | 76 | 934 | Girolamo Capra | Girolama Capra | DNA |
| 3.7.1977 | Norisring Trophäe | 76 | 934 | Girolamo Capra | Girolama Capra | DNA |
| 3.7.1977 | DRM Norisring | 77 | 934 | Gianpiero Moretti | Jolly Club Milano | DNA |
| 3.7.1977 | Norisring Trophäe | 77 | 934 | Gianpiero Moretti | Jolly Club Milano | DNA |
| 3.7.1977 | Norisring Trophäe | 78 | 935 | Finotto / Facetti | Jolly Club Milano | DNA |
| 3.7.1977 | DRM Norisring | 78 | 935 | Finotto / Facetti | Jolly Club Milano | DNA |
| 3.7.1977 | Norisring Trophäe | 79 | 935 | Walter Lehmann | Walter Lehmann | DNA |
| 3.7.1977 | DRM Norisring | 79 | 935 | | Walter Lehmann | DNA |
| 3.7.1977 | DRM Norisring | 80 | 934 | Claude Haldi | Claude Haldi | 7th |
| 3.7.1977 | Norisring Trophäe | 80 | 934 | Claude Haldi | Claude Haldi | 18th |
| 3.7.1977 | Norisring Trophäe | 81 | 911 Carrera RS | Rolf Blind | Hahn Sportwagen GmbH | DNS |
| 3.7.1977 | DRM Norisring | 81 | 911 Carrera RS | Rolf Blind | Hahn Sportwagen GmbH | DNF |
| 3.7.1977 | Belgium Nivelles | 83? | 934 | Raymond Raus | | DNF |
| 3.7.1977 | Nürburgring Neuss | 172 | 934 | Eberhard Sindel | Valvoline-Racing | 1st |
| 3.7.1977 | Nürburgring Neuss | | 914/6 | Hans-Günther Agosti | Bergischer MC | ?th |
| 3.7.1977 | Nürburgring Neuss | | 911 Carrera RS | Gerhard Happel | Dr. Gerhard Happel | ?th |
| 3.7.1977 | Nürburgring Neuss | | 911 | Klaus Busch | Klaus Busch | ?th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 0 | 934/5 | Ted Field | Interscope Racing | 28th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 00 | 934/5 | Danny Ongais | Interscope Racing | 40th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 01 | 911 S | Bob Bergstrom | Sports Ltd. Racing | 21st |
| 4.7.1977 | 250 mile Daytona Paul Revere | 06 | 911 T | Lawrence Mendez | | 48th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 08 | 911 S | Terry Wolters | Busch Beer | 22nd |
| 4.7.1977 | 250 mile Daytona Paul Revere | 09 | 934/5 | Gary Belcher | Belcher Racing | 3rd |
| 4.7.1977 | 250 mile Daytona Paul Revere | 8 | 911 Carrera RSR | Bob Beasley | | 7th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 27 | 911 S | Mummery / Refenning | | 25th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 28 | 934/5 | Kearns / Mendez | Desperado Racing | 36th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 30 | 934/5 | George Dyer | George Dyer | 1st |
| 4.7.1977 | 250 mile Daytona Paul Revere | 34 | 911 S | George Drolsom | George Drolsom | 14th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 42 | 911 S | Hindson / Maas | | 32nd |
| 4.7.1977 | 250 mile Daytona Paul Revere | 54 | 911 Carrera RSR | John Tunstall | | 45th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 58 | 911 Carrera RSR 3.0 | Diego Febles | Diego Febles Racing | 6th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 60 | 911 S | Bond / Tilton | | 20th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 67 | 911 Carrera S | White / McClain | | 13th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 70 | 911 S | Speer / Turley | Race Car | 17th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 85 | 914/6 | Hulen / Coupland | John Hulen | 24th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 89 | 911 S | Parish / Causey | Barrick Motor Racing | 38th |
| 4.7.1977 | 250 mile Daytona Paul Revere | 95 | 935 | Hurley Haywood | Bob Hagestad Porsche Audi | 2nd |
| 9.7.1977 | 6 h Watkins Glen | 2 | 934/5 | Belcher / Woods | Vasek Polak Racing | 15th |
| 9.7.1977 | 6 h Watkins Glen | 28 | 911 S | Weiss | Weiss Motor Racing | 30th |
| 9.7.1977 | 6 h Watkins Glen | 61 | 935 | Busby / Frank | Jim Busby Racing | 12th |
| 9.7.1977 | 6 h Watkins Glen | 74 | 911 S | Jennings / Bean | Bruce Jennings | 16th |
| 9.7.1977 | 6 h Watkins Glen | 79 | 911 Carrera RSR 3.0 | Callas / Papke | Michael Callas Rennsport Porsche | 20th |
| 9.7.1977 | 6 h Watkins Glen | 83 | 911 S | Scott / Colontonio | Bill Scott Racing | 33rd |
| 9.7.1977 | 6 h Watkins Glen | 94 | 934 | Forbes-Robinson / Tillson | Mike Tillson Enterprises, Inc. | 35th |
| 9.7.1977 | 6 h Watkins Glen | 98 | 911 S | Bauer / Spalding | John Bauer Racing | 11th |