| 3.7.1977 | DRM Norisring | 40 | #935/2-001 | Jacky Ickx | Martini Racing Porsche System | DNF |
| 3.7.1977 | Norisring Trophäe | 40 | #935/2-001 | Jacky Ickx | Martini Racing Porsche System | 7th |
| 3.7.1977 | Norisring Trophäe | 50 | #003 | Wollek | Martini Racing Porsche System | 2nd |
| 3.7.1977 | Norisring Trophäe | 51 | #007 00016 | Bob Wollek | Vaillant Kremer Team | DNS |
| 3.7.1977 | DRM Norisring | 51 | #007 00016 | Bob Wollek | Vaillant-Kremer-Team | DNF |
| 3.7.1977 | Norisring Trophäe | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz Team | 1st |
| 3.7.1977 | DRM Norisring | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz Team | 2nd |
| 3.7.1977 | DRM Norisring | 54 | #930 770 0907 | Jürgen Neuhaus | Brambring-Franz-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 54 | #930 770 0907 | Jürgen Neuhaus | Brambring-Franz-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 58 | #006 00019-K1 | Franz Konrad | Kannacher GT-Racing | 5th |
| 3.7.1977 | DRM Norisring | 58 | #006 00019-K1 | Franz Konrad | Kannacher GT-Racing | 5th |
| 3.7.1977 | Norisring Trophäe | 66 | #930 770 0908 | Rolf Stommelen | Gelo Racing Team Georg Loos Werbe KG | 3rd |
| 3.7.1977 | DRM Norisring | 66 | #930 770 0908 | Rolf Stommelen | Gelo Racing Team Georg Loos Werbe KG | 1st |
| 3.7.1977 | DRM Norisring | 67 | #930 770 0911 | Tim Schenken | Gelo Racing Team Georg Loos Werbe KG | 4th |
| 3.7.1977 | Norisring Trophäe | 67 | #930 770 0911 | Toine Hezemans | Gelo Racing Team Georg Loos Werbe KG | 13th |
| 3.7.1977 | DRM Norisring | 70 | #930 770 0903 | Peter Gregg | Vaillant Kremer Team | 3rd |
| 3.7.1977 | Norisring Trophäe | 70 | #930 770 0903 | Peter Gregg | Vaillant Kremer Team | 15th |
| 3.7.1977 | Norisring Trophäe | 74 | | Claude Ballot-Léna | GMS-Racing | DNA |
| 3.7.1977 | Norisring Trophäe | 78 | #930 770 0902 | Finotto / Facetti | Jolly Club Milano | DNA |
| 3.7.1977 | DRM Norisring | 78 | #930 770 0902 | Finotto / Facetti | Jolly Club Milano | DNA |
| 3.7.1977 | Norisring Trophäe | 79 | | Walter Lehmann | Walter Lehmann | DNA |
| 4.7.1977 | 250 mile Daytona Paul Revere | 95 | #930 770 0957 | Hurley Haywood | Bob Hagestad Porsche Audi | 2nd |
| 9.7.1977 | 6 h Watkins Glen | 1 | #005 | Mass / Ickx | Martini Racing Porsche System | 1st |
| 9.7.1977 | 6 h Watkins Glen | 7 | #930 770 0958 | Heimrath / Miller | Heimrath Racing | 8th |
| 9.7.1977 | 6 h Watkins Glen | 16 | #930 770 0913 | Follmer / Lunger | Vasek Polak Racing | 2nd |
| 9.7.1977 | 6 h Watkins Glen | 61 | #930 770 0910 | Busby / Frank | Jim Busby Racing | 12th |
| 9.7.1977 | 6 h Watkins Glen | 66 | #930 770 0959 | Barbour / Rutherford | Dick Barbour Performance | 4th |
| 9.7.1977 | 6 h Watkins Glen | 95 | #930 770 0957 | Haywood / Hagestad | Bob Hagestad Porsche Audi | 3rd |
| 17.7.1977 | Gr.5 Pergusa | | #930 770 0902 | Martino Finotto | | 1st |
| 24.7.1977 | 500 km Le Castellet | 49 | | Agazzotti Cavazza / Mallet | | DNQ |
| 24.7.1977 | 500 km Le Castellet | 50 | #930 770 0902 | Finotto / Camathias | Jolly Club | 8th |
| 24.7.1977 | DRM Diepholz | 51 | #007 00016 | Bob Wollek | Vaillant-Kremer-Team | 2nd |
| 24.7.1977 | DRM Diepholz | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz Team | DNF |
| 24.7.1977 | DRM Diepholz | 58 | #930 770 0907 | Franz Konrad | Franz Konrad | 6th |
| 24.7.1977 | DRM Diepholz | 66 | #930 770 0908 | Rolf Stommelen | Gelo-Racing-Team Georg Loos KG | 1st |
| 24.7.1977 | DRM Diepholz | 67 | #930 770 0911 | Tim Schenken | Gelo-Racing-Team Georg Loos KG | 3rd |
| 24.7.1977 | DRM Diepholz | 71 | #006 00019-K1 | Peter Hähnlein | Kannacher-GT-Racing | 9th |
| 30.7.1977 | DRM Hockenheim GP | 40 | #935/2-001 | Jacky Ickx | Martini Racing Porsche System | 1st |
| 30.7.1977 | DRM Hockenheim GP | 51 | #007 00016 | Bob Wollek | Vaillant Kremer Team | 1st |
| 30.7.1977 | DRM Hockenheim GP | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz Team | 5th |
| 30.7.1977 | DRM Hockenheim GP | 54 | #006 00019-K1 | Peter Hähnlein | | DNF |
| 30.7.1977 | DRM Hockenheim GP | 55 | #930 770 0907 | Franz Konrad | Franz Konrad | 6th |
| 30.7.1977 | DRM Hockenheim GP | 66 | #930 770 0908 | Rolf Stommelen | Gelo Racing Team - Georg Loos Werbe KG | 2nd |
| 30.7.1977 | DRM Hockenheim GP | 67 | #930 770 0911 | Tim Schenken | Gelo Racing Team - Georg Loos Werbe KG | 3rd |
| 30.7.1977 | DRM Hockenheim GP | 70 | #930 770 0903 | John Fitzpatrick | Vaillant Kremer Team | 4th |
| 31.7.1977 | Trans-Am Hallett | 7 | #930 770 0958 | Ludwig Heimrath | Heimrath Racing | 2nd |
| 31.7.1977 | 100 mile Sears Point | 92 | #930 770 0959 | Bob Bondurant | | 22nd |
| 31.7.1977 | 100 mile Sears Point | 95 | #930 770 0957 | Hurley Haywood | Bob Hagestad Porsche Audi | 16th |
| 14.8.1977 | Trans-Am Brainerd | 7 | #930 770 0958 | Ludwig Heimrath | Heimrath Racing | 2nd |
| 14.8.1977 | DRM Zolder Westfalen | 51 | #007 00016 | Bob Wollek | Vaillant Kremer Team | 1st |
| 14.8.1977 | DRM Zolder Westfalen | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz Team | DNF |
| 14.8.1977 | DRM Zolder Westfalen | 58 | #930 770 0907 | Franz Konrad | Franz Konrad | 3rd |
| 14.8.1977 | DRM Zolder Westfalen | 62 | #930 770 0904 | Eberhard Sindel | Valvoline Racing | DNA |
| 14.8.1977 | DRM Zolder Westfalen | 66 | #930 770 0908 | Rolf Stommelen | Gelo Racing Team - Georg Loos Werbe KG | 2nd |
| 14.8.1977 | DRM Zolder Westfalen | 67 | #930 770 0911 | Tim Schenken | Gelo Racing Team - Georg Loos Werbe KG | 8th |
| 14.8.1977 | DRM Zolder Westfalen | 71 | #930 770 0903 | | Vaillant Kremer Team | DNA |
| 14.8.1977 | DRM Zolder Westfalen | 72 | #006 00019-K1 | Peter Hähnlein | Kannacher GT-Racing | 5th |
| 14.8.1977 | 100 mile Pocono | 95 | #930 770 0957 | Hurley Haywood | Bob Hagestad Porsche Audi | 3rd |
| 20.8.1977 | 6 h Mosport | 1 | #005 | Ickx | Martini Racing Porsche System | 21st |
| 20.8.1977 | 6 h Mosport | 7 | #930 770 0958 | Heimrath / Miller | Heimrath Racing | 1st |
| 20.8.1977 | 6 h Mosport | 16 | #930 770 0913 | Follmer / Lunger | Vasek Polak Racing | 17th |
| 20.8.1977 | 6 h Mosport | 61 | #930 770 0910 | Busby / Wietzes | Jim Busby Racing | 18th |
| 20.8.1977 | CI Gr.5 Misano | | #930 770 0902 | Martino Finotto | | 1st |
| 28.8.1977 | 3 h Mid-Ohio | 6 | #930 770 0959 | Dick Barbour | Dick Barbour Performance | DNA |
| 28.8.1977 | 3 h Mid-Ohio | 7 | #930 770 0958 | Heimrath / Miller | Heimrath Racing | 35th |
| 28.8.1977 | 3 h Mid-Ohio | 15 | #930 770 0913 | McKitterick / Ickx | Vasek Polak Racing | 2nd |
| 28.8.1977 | 3 h Mid-Ohio | 30 | #930 770 0954 | George Dyer | George Dyer | 37th |
| 28.8.1977 | 3 h Mid-Ohio | 61 | #930 770 0910 | Busby / O'Steen | Jim Busby | 3rd |
| 28.8.1977 | 3 h Mid-Ohio | 95 | #930 770 0957 | Haywood / Hagestad | Bob Hagestad | 4th |
| 28.8.1977 | 3 h Mid-Ohio | | | Milt Minter | | DNA |
| 28.8.1977 | Nürburgring [Gr.5] | | #930 770 0904 | Eberhard Sindel | Valvoline-Racing | 3rd |
| 28.8.1977 | Nürburgring [Gr.5] | | #006 00019-K1 | Werner Christmann | Werner Christmann | 2nd |
| 28.8.1977 | Nürburgring [Gr.5] | | #930 770 0907 | Franz Konrad | Franz Konrad | 1st |
| 3.9.1977 | Trans-Am Road America I | 7 | #930 770 0958 | Ludwig Heimrath | Heimrath Racing | 1st |
| 4.9.1977 | Trans-Am Road America II | 7 | #930 770 0958 | Ludwig Heimrath | Heimrath Racing | 19th |
| 4.9.1977 | Coppa Intereuropa | | #930 770 0906 | "Victor" | "Victor" | 2nd |
| 4.9.1977 | Coppa Intereuropa | | #930 770 0902 | Martino Finotto | | 1st |
| 5.9.1977 | 100 mile Road Atlanta II | 6 | #930 770 0959 | Dick Barbour | Dick Barbour Performance | 7th |
| 5.9.1977 | 100 mile Road Atlanta II | 30 | #930 770 0954 | George Dyer | George Dyer | 25th |
| 5.9.1977 | 100 mile Road Atlanta II | 95 | #930 770 0957 | Hurley Haywood | Bob Hagestad | 3rd |
| 11.9.1977 | Trans-Am St. Jovite | 7 | #930 770 0958 | Ludwig Heimrath | Heimrath Racing | 2nd |
| 18.9.1977 | DARM Ulm | | #930 770 0904 | Eberhard Sindel | Valvoline-Racing | 1st |
| 25.9.1977 | 6 h Brands Hatch | 1 | #005 | Mass / Ickx | Martini Racing Porsche System | 1st |
| 25.9.1977 | 6 h Brands Hatch | 2 | #930 770 0903 | Wollek / Faure | Porsche Kremer Racing | 4th |
| 25.9.1977 | 6 h Brands Hatch | 3 | #930 770 0907 | Jöst / Wollek / Konrad | Porsche Kremer Racing | 3rd |
| 25.9.1977 | 6 h Brands Hatch | 5 | | Merl / Hähnlein | Porsche Kremer Racing | DNF |
| 25.9.1977 | 6 h Brands Hatch | 7 | #930 770 0905 | Schurti / Dören | Jägermeister Max Moritz GmbH | 2nd |
| 25.9.1977 | 6 h Brands Hatch | 14 | #930 770 0904 | Sindel / Steckkönig | Valvoline Racing | 5th |
| 25.9.1977 | 6 h Brands Hatch | | | | Autohaus Max Moritz | DNA |
| 25.9.1977 | 6 h Brands Hatch | | | Stommelen / Hezemans | Gelo Racing Team | DNA |
| 25.9.1977 | 6 h Brands Hatch | | #930 770 0912 | Ballot-Léna / Leclère | JMS Racing | DNA |
| 2.10.1977 | DRM Nürburgring Supersprint | 51 | #007 00016 | Bob Wollek | Vaillant-Kremer-Team | 2nd |
| 2.10.1977 | DRM Nürburgring Supersprint | 52 | #930 770 0905 | Manfred Schurti | Jägermeister Max Moritz-Team | 3rd |
| 2.10.1977 | DRM Nürburgring Supersprint | 56 | #930 770 0904 | Eberhard Sindel | Valvoline-Racing | 5th |
| 2.10.1977 | DRM Nürburgring Supersprint | 58 | #930 770 0907 | Franz Konrad | Franz Konrad | 6th |
| 2.10.1977 | DRM Nürburgring Supersprint | 59 | #006 00019-K1 | Peter Hähnlein | | DNF |
| 2.10.1977 | DRM Nürburgring Supersprint | 66 | #930 770 0908 | Rolf Stommelen | Gelo-Racing-Team Georg Loos KG | 1st |
| 2.10.1977 | DRM Nürburgring Supersprint | 67 | #930 770 0911 | Tim Schenken | Gelo-Racing-Team Georg Loos KG | DNF |
| 2.10.1977 | DRM Nürburgring Supersprint | 70 | #930 770 0903 | Werner Christmann | Vaillant-Kremer-Team | 7th |
| 9.10.1977 | 100 mile Laguna Seca II | 6 | #930 770 0959 | Dick Barbour | Dick Barbour Performance | 40th |