| 21.9.1980 | 50 mile Road Atlanta 2 | 7 | 935 | Ludwig Heimrath, Jr. | Heimrath Racing | DNS |
| 21.9.1980 | MN GT Donington | 9 | 934 | Paul Edwards | Hassop Motors | DNA |
| 21.9.1980 | DRM Nürburgring Supersprint | 10 | 935/77A | Dieter Schornstein | Vegla-Racingteam-Aachen | 7th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 32 | 934 | Chester Vincentz | Electrodyne Racing | DNS |
| 21.9.1980 | DRM Nürburgring Supersprint | 64 | 935 L1 | Jan Lundgardh | Tuff-Kote-Dinol | 6th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 85 | 935 | Bruce Leven | Bayside Disposal Racing | DNA |
| 21.9.1980 | 50 mile Road Atlanta 2 | 85 | 935 | Bruce Leven | Bayside Disposal Racing | DNA |
| 21.9.1980 | 50 mile Road Atlanta 2 | 94 | 935 K3 | Bill Whittington | Whittington Bros. Racing | DNS |
| 21.9.1980 | CI Gr.4 Pergusa | | 911 SC | "Joker" | | ?th |
| 21.9.1980 | 50 mile Road Atlanta 1 | | 911 Carrera RSR | Ernesto Soto | Ernesto Soto | DNA |
| 21.9.1980 | CI Gr.4 Pergusa | | 934 | Mannino | | ?th |
| 21.9.1980 | CI Gr.5 Pergusa | | | Antonino Guagliardo | | ?th |
| 21.9.1980 | CI Gr.5 Pergusa | | 935 | Gottifredi | | 2nd |
| 21.9.1980 | CI Gr.5 Pergusa | | 935 | "Victor" | "Victor" | 1st |
| 21.9.1980 | CI Gr.5 Pergusa | | | La Franca | | ?th |
| 21.9.1980 | 50 mile Road Atlanta 2 | | 911 Carrera RSR | Ernesto Soto | Ernesto Soto | DNA |
| 28.9.1980 | 1000 km Dijon | 1 | 935/77A | Pescarolo / Barth | Sportwagen | 1st |
| 28.9.1980 | 1000 km Dijon | 2 | 908/3 | Brunn / Bell / O'Rourke | Siegfried Brunn/Casa | DNF |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 2 | 935 K3/80 | John Fitzpatrick | Jägermeister Kremer Team | 1st |
| 28.9.1980 | 1000 km Dijon | 3 | 935/77A | Haldi / Béguin | Haldi/Meccarillos | 2nd |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 3 | 935 K3/80 | Michael Korten | Porsche Kremer Team | 3rd |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 6 | 935 J | Manfred Winkelhock | Liqui Moly Equipe | DNS |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 7 | 935 J | Volkert Merl | Liqui Moly Equipe | 2nd |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 9 | 935/80 | Bob Wollek | Gelo Team Team Georg Loos Werbe KG | DNF |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 10 | 935/77A | Dieter Schornstein | Vegla-Racingteam | 4th |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 11 | 935 RSR | Hans-Ruedi Hugentobler | Team Decorplast | 11th |
| 28.9.1980 | 1000 km Dijon | 20 | 935 K3 | Cooper / Wood | Charles Ivey Racing | 4th |
| 28.9.1980 | 1000 km Dijon | 21 | 935 K3 | Dören / Holup / Lässig | Weralit Racing Team | 13th |
| 28.9.1980 | 1000 km Dijon | 23 | 935 L1 | Lundgardh / Braun / "Bald" | Lundgardh/Dinitrol Center | DNF |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 26 | 911 SC | Peter Bulian | Peter Bulian | 12th |
| 28.9.1980 | 1000 km Dijon | 27 | 934 | Ennequin / Bourdillat / Bernard | Georges Bourdillat | 14th |
| 28.9.1980 | 1000 km Dijon | 28 | 934 | Pallavicini / Crang | Angelo Pallavicini/Lubrifilm | 12th |
| 28.9.1980 | 1000 km Dijon | 30 | 934 | Guérin / Alliot / Sagne | Christian Bussi/Denver | DNQ |
| 28.9.1980 | 1000 km Dijon | 31 | 930 | Ennequin / Bourdillat | Roland Ennequin | DNQ |
| 28.9.1980 | 1000 km Dijon | 32 | 911 Carrera RS | Dubreuil / Boubet | Jean-Henri Dubreuil | DNA |
| 28.9.1980 | 1000 km Dijon | 32 | 911 SC | Dubreuil / Boubet / Touroul | Jean-Henri Dubreuil | DNQ |
| 28.9.1980 | 1000 km Dijon | 37 | 935 | Bussi / Salam | Christian Bussi/Denver | 10th |
| 28.9.1980 | 1000 km Dijon | 38 | 911 SC | Perrier / Carmillet | Thierry Perrier/Rubson | DNQ |
| 28.9.1980 | 1000 km Dijon | 39 | 911 Carrera RS | Touroul / Bondil | Raymond Touroul/Total | 17th |
| 28.9.1980 | 1000 km Dijon | 43 | 911 Carrera RS | Percy / Cloléry | Louis Meznarie/GPA | DNQ |
| 28.9.1980 | 1000 km Dijon | 44 | 934 | Cleare / Dron | Richard Cleare Racing/Autofarm | 11th |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 90 | 924 | Friedrich Winkelmann | Essen-Werdener AC | DNF |
| 5.10.1980 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 26 | 911 SC | Roger Ennequin | | DNA |
| 5.10.1980 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 40 | 911 SC | Georges Clolery | | DNA |
| 5.10.1980 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 42 | 934 | Roland Ennequin | | DNA |
| 5.10.1980 | National Montlhéry [Gr.4/Gr.5/Gr.6] | 44 | 934 | Thierry Perrier | | DNA |
| 5.10.1980 | National Montlhéry [Gr.4/Gr.5/Gr.6] | | | Raymond Touroul | | ?th |
| 5.10.1980 | Interserie Kassel-Calden | | 908/3 Turbo | Volkert Merl | Liqui Moly | 1st |
| 5.10.1980 | Monza | | 935 | "Victor" | "Victor" | 1st |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 1 | 935 K3/80 | | Jägermeister Kremer Racing | DNA |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 2 | 935 K3 | | Porsche Kremer Racing | DNA |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 3 | 935 K3 | Gerhard Holup | Weralit Elora Racing Team | 9th |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 4 | 935/77A | Dieter Schornstein | Vegla Racingteam Aachen | 1st |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 5 | 935 | "Davit" | Philiffen Bervoets | DNA |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 6 | 935 RSR | Erich Schiebler | Erich Schiebler | DNA |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 8 | 935 L1 | Jan Lundgardh | Jan Lundgardh | DNA |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 29 | 935 K3 | Claude Bourgoignie | Claude Bourgoignie | DNF |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 51 | 924 | Friedrich Winkelmann | Essen-Werdener Automobilclub | DNE |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 52 | 911 C | Heinz Kopatz | Renngemeinschaft Holstein | DNE |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 60 | 934 | Peter Pospieszczyk | Kannacher GT Racing | DNE |
| 12.10.1980 | CI Gr.2/4/5 Magione | 219 | 935 | Gabriele Gottifredi | | 4th |
| 12.10.1980 | CI Gr.2/4/5 Magione | | | Zonca | | 8th |
| 12.10.1980 | CI Gr.2/4/5 Magione | | 935 | "Victor" | "Victor" | 2nd |
| 12.10.1980 | CI Gr.2/4/5 Magione | | 911 Carrera | Ciacciarelli | | 14th |
| 12.10.1980 | CI Gr.2/4/5 Magione | | | Tocci | | 17th |
| 19.10.1980 | Trans-Am Laguna Seca | 9 | 911 SC | Terry Herman | Al Thomas | 35th |
| 19.10.1980 | Trans-Am Laguna Seca | 11 | 911 | Gary Nylander | Bear Gulch Racing | DNS |
| 19.10.1980 | Trans-Am Laguna Seca | 23 | 914/6 | Bob Zulkowski | Metal Craft Racing | 37th |
| 19.10.1980 | Trans-Am Laguna Seca | 45 | 911 | Bill Neal | Autosport | 27th |
| 19.10.1980 | Trans-Am Laguna Seca | 57 | 911 SC | Monte Shelton | Porsche-Audi Northwest | DNS |
| 19.10.1980 | Trans-Am Laguna Seca | 98 | 911 SC | John Bauer | Green Racing | 21st |
| 19.10.1980 | Gr.4 Vallelunga | | | Villa | | 1st |
| 19.10.1980 | 3 h Hockenheim | | 934 | Willi / Zbinden | | 1st |
| 25.10.1980 | Trans-Am Riverside | 19 | 911 SC | Sergio Nardi | Nardi Motors | DNS |
| 25.10.1980 | Trans-Am Riverside | 23 | 914/6 | Bob Zulkowski | Metal Craft Racing | 23rd |
| 25.10.1980 | Trans-Am Riverside | 44 | 914/6 | Joe Korpiel | | 25th |
| 25.10.1980 | Trans-Am Riverside | 57 | 911 SC | Monte Shelton | Porsche-Audi Northwest | 6th |
| 25.10.1980 | Trans-Am Riverside | 98 | 911 SC | John Bauer | Larry Green Racing | 5th |
| 26.10.1980 | MN GT Donington | 20 | 935 K3 | Dudley Wood | Dudley Wood & Charles Ivey Racing | DNA |
| 26.10.1980 | US Champions Road Atlanta [BP] | 26 | | Robert Overby | Overby's Inc./Castrol | DNA |
| 26.10.1980 | US Champions Road Atlanta [CP] | 27 | 914/6 | Earl Roe | Earl Roe | DNA |
| 26.10.1980 | US Champions Road Atlanta [CP] | 69 | 914/6 | Frank Harmstad | Competition Motors | DNA |
| 26.10.1980 | US Champions Road Atlanta [BP] | 74 | 911 SC | John Klug | Jack Klug | DNA |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | Ciacciarelli | | 11th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | Tocci | | 10th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | Petenzi | | 3rd |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | di Gioia | | 5th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | Villa | | 6th |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | 935 | "Victor" | "Victor" | 2nd |
| 2.11.1980 | CI Gr.2/4/5 Vallelunga | | | Schizzi | | 9th |
| 6.11.1980 | Giro d'Italia | 346 | 911 | | | raced |
| 6.11.1980 | Giro d'Italia | 347 | 911 | Tarantelli / Timinello / Pinů | | raced |
| 6.11.1980 | Giro d'Italia | 476 | 911 SC | Busseni / Rossi / Bondesan | | 7th |
| 6.11.1980 | Giro d'Italia | 482 | 911 SC | Ruffini / Uzzeni / Bellosta | | 9th |
| 6.11.1980 | Giro d'Italia | 483 | 911 SC | Pantaloni / Meloni / Tedeschini | | 3rd |
| 6.11.1980 | Giro d'Italia | 488 | 934 | Alméras / Perramond | Almeras | DNF |
| 6.11.1980 | Giro d'Italia | 593 | 935 | Sivel / Decourt / Jaubert | Almeras | 8th |
| 6.11.1980 | Giro d'Italia | | 911 SC | Merzario / Cuccirelli / Giubbilei | | DNF |
| 6.11.1980 | Giro d'Italia | | | Alméras / "Tilber" | | DNF |
| 6.11.1980 | Giro d'Italia | | 930 | Cecotto / Pittoni / Ravizza | | 6th |