| 31.8.1980 | 500 mile Road America | 0 | 935 K3/80 | Field / Minter | Interscope Racing | 20th |
| 31.8.1980 | 500 mile Road America | 00 | 935/77A | Field / Minter | Interscope Racing | DNS |
| 31.8.1980 | 500 mile Road America | 03 | 934 | Frank / Moran | Toyota Village | DNS |
| 31.8.1980 | 500 mile Road America | 07 | 935 | Heimrath | Heimrath Racing | 47th |
| 31.8.1980 | 500 mile Road America | 3 | 935 M16 | Jim Busby | Coors/Cox/Ocean Motors | DNA |
| 31.8.1980 | 500 mile Road America | 4 | 935 K3/80 | Skeeter McKitterick | Dick Barbour Racing | DNA |
| 31.8.1980 | 500 mile Road America | 34 | 911 S | Drolsom / Johnson | Drolsom Racing | 18th |
| 31.8.1980 | 500 mile Road America | 40 | 914/6 | Altman | Southard Motor Racing | 43rd |
| 31.8.1980 | 500 mile Road America | 46 | 911 Carrera RSR | DeNarvaez / Naon | DeNarvaez Enterprises | 38th |
| 31.8.1980 | 500 mile Road America | 52 | 914/6 | Baker / Scott | Personalized Autohaus | 28th |
| 31.8.1980 | 500 mile Road America | 57 | 914/4 | Erstad / Daily | Performance Porsche | 26th |
| 31.8.1980 | 500 mile Road America | 62 | 911 | Koll / Cook | Koll Motor Sports | 33rd |
| 31.8.1980 | 500 mile Road America | 68 | 911 Carrera RSR | Mendez / Rodriguez | Mendez Racing | 17th |
| 31.8.1980 | 500 mile Road America | 85 | 914/6 | Coupland / Hulen | John E. Hulen | 42nd |
| 7.9.1980 | Interserie Hockenheim | 1 | 908/80 | Reinhold Jöst | Liqui Moly équipe | DNA |
| 7.9.1980 | Interserie Hockenheim | 2 | 908/3 Turbo | Volkert Merl | Liqui Moly équipe | 4th |
| 7.9.1980 | 6 h Vallelunga | 2 | 935/77A | Pescarolo / Barth | Sportwagen | 7th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 2 | 935 K3/80 | John Fitzpatrick | Jägermeister Kremer Racing | 2nd |
| 7.9.1980 | 6 h Vallelunga | 3 | 935 K3 | Wood / Cooper / Dören | Charles Ivey Racing | DNA |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 3 | 935 K3/80 | Hans Soldeck | Porsche Kremer Racing | 11th |
| 7.9.1980 | 6 h Vallelunga | 4 | 935 K3 | Dören / Lässig | Weralit-Elora Team | 4th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 6 | 935 J | Manfred Winkelhock | Liqui Moly équipe | 3rd |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 7 | 935 J | Volkert Merl | Liqui Moly équipe | 5th |
| 7.9.1980 | 6 h Vallelunga | 8 | 934 | Guérin / Alliot | Jacques Guérin | DNA |
| 7.9.1980 | 6 h Vallelunga | 9 | 934 | Pallavicini / Bernhard | Angelo Pallavicini | 11th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 9 | 935/80 | Bob Wollek | Gelo Racing Team - Georg Loos Werbe KG | 4th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 10 | 935/77A | Dieter Schornstein | Vegla-Racing-Team - Aachen | 6th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 11 | 935/77A | Claude Haldi | Meccarillos Racing Team | DNF |
| 7.9.1980 | Trans-Am Westwood | 11 | 914/6 | Scott Taylor | Lewis Apparel | 13th |
| 7.9.1980 | 6 h Vallelunga | 12 | 934 | Peppino Zonca | Sergio Rombolotti | DNA |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 12 | 935 | | Valvoline Racing | DNA |
| 7.9.1980 | 6 h Vallelunga | 14 | 934 | Dron / Cleare | Richard Cleare Racing | 10th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 14 | 935/77A | Franz Gschwender | Franz Gschwender | DNA |
| 7.9.1980 | 6 h Vallelunga | 15 | 930 | Giustri / Bocconi | Ivana Giustri | DNQ |
| 7.9.1980 | Trans-Am Westwood | 23 | 914/6 | Bob Zulkowski | Metal Craft Racing | 20th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 26 | 911 SC | Peter Bulian | Peter Bulian | 14th |
| 7.9.1980 | 6 h Vallelunga | 28 | 935 L1 | Lundgardh / Braun | Tuff-Kote Dinol Racing | 13th |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 28 | 934 | Jürgen Lässig | Sepp Reiter | DNS |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 29 | 911 SC | Klaus Utz | Hahn-Sportwagen-GmbH | 12th |
| 7.9.1980 | Trans-Am Westwood | 57 | 911 SC | Monte Shelton | Porsche-Audi Northwest | 2nd |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 77 | 924 | Friedrich Winkelmann | Essen-Werdener Automobil-Club e. V. im AvD | 16th |
| 7.9.1980 | 6 h Vallelunga | 82 | 908/3 | Brunn / Bell | Siegfried Brunn | 2nd |
| 7.9.1980 | Trans-Am Westwood | 98 | 911 SC | John Bauer | Green Racing | 1st |
| 14.9.1980 | Siegerland | | 934 | Peter Pospieszczyk | | 1st |
| 21.9.1980 | 50 mile Road Atlanta 1 | 0 | 935 K3/80 | Ted Field | Interscope Racing | 8th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 00 | 935 K3/80 | Danny Ongais | Interscope Racing | 33rd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 07 | 935 | Ludwig Heimrath, Jr. | Heimrath Racing | 24th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 09 | 935 K3 | John Paul, Jr. | Preston Henn | 4th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 09 | 935 K3 | John Paul, Jr. | Preston Henn | 5th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 2 | 935 | Marty Hinze | Marty Hinze | 26th |
| 21.9.1980 | DRM Nürburgring Supersprint | 2 | 935 K3/80 | Rolf Stommelen | Jägermeister Kremer Racing | DNF |
| 21.9.1980 | DRM Nürburgring Supersprint | 3 | 935 K3 | | Porsche Kremer Racing | DNA |
| 21.9.1980 | DRM Nürburgring Supersprint | 4 | 935 K3 | Edgar Dören | Weralit-Elora-Team | 4th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 5 | 935 K3 | Bob Akin | Racing Associates | 6th |
| 21.9.1980 | DRM Nürburgring Supersprint | 5 | 935/77A | Claude Haldi | Meccarillos Racing-Team | DNF |
| 21.9.1980 | DRM Nürburgring Supersprint | 6 | 935 J | Manfred Winkelhock | Liqui Moly équipe | 1st |
| 21.9.1980 | 50 mile Road Atlanta 1 | 6 | 935 K3/80 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 21.9.1980 | 50 mile Road Atlanta 2 | 6 | 935 K3/80 | John Fitzpatrick | Dick Barbour Racing | 2nd |
| 21.9.1980 | DRM Nürburgring Supersprint | 7 | 935 J | Volkert Merl | Liqui Moly équipe | 3rd |
| 21.9.1980 | 50 mile Road Atlanta 2 | 7 | 935 | Ludwig Heimrath, Jr. | Heimrath Racing | DNS |
| 21.9.1980 | DRM Nürburgring Supersprint | 8 | 935 | Joachim Schliesinger | Joachim Schliesinger | DNA |
| 21.9.1980 | 50 mile Road Atlanta 1 | 8 | 935 | Preston Henn | | 10th |
| 21.9.1980 | DRM Nürburgring Supersprint | 9 | 935/80 | Bob Wollek | Gelo Racing Team, Georg Loos Werbe KG | 6th |
| 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 | DRM Nürburgring Supersprint | 11 | 935 K3/80 | Michael Korten | Zimmermann Racing | 5th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 18 | 935 JLP-2 | John Paul | JLP Racing | 3rd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 18 | 935 JLP-2 | John Paul | JLP Racing | 3rd |
| 21.9.1980 | DRM Nürburgring Supersprint | 27 | 934 | Sepp Reiter | Hans Obermaier | DNF |
| 21.9.1980 | DRM Nürburgring Supersprint | 28 | 930 | Matthias Lörper | Norddeutscher Automobilclub | 12th |
| 21.9.1980 | DRM Nürburgring Supersprint | 29 | 911 SC | Peter Bulian | Peter Bulian | 11th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 30 | 935 J | Gianpiero Moretti | Momo/Electrodyne | 1st |
| 21.9.1980 | 50 mile Road Atlanta 1 | 30 | 935 J | Gianpiero Moretti | Momo/Electrodyne | 5th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 32 | 934 | Chester Vincentz | Electrodyne Racing | DNS |
| 21.9.1980 | 50 mile Road Atlanta 1 | 32 | 934 | Chester Vincentz | Electrodyne Racing | 27th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 35 | 934 | Mandy Gonzalez | | 23rd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 38 | 911 Carrera RSR | Bonky Fernandez | Boricua Racing | 17th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 46 | 911 Carrera RSR | Terry Herman | DeNarvaez Ent. | 6th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 46 | 911 Carrera RSR | Terry Herman | DeNarvaez Ent. | 14th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 54 | 911 Carrera RSR | Tony Garcia | Montura Racing | 30th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 63 | 911 Carrera RSR | Luis Mendez | Mendez Racing | 8th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 63 | 911 Carrera RSR | Luis Mendez | Mendez Racing | 16th |
| 21.9.1980 | DRM Nürburgring Supersprint | 64 | 935 L1 | Jan Lundgardh | Tuff-Kote-Dinol | 6th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 64 | 911 Carrera RSR | Dennis Aase | Alan Johnson Racing | 13th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 85 | 935 | Bruce Leven | Bayside Disposal Racing | DNA |
| 21.9.1980 | 50 mile Road Atlanta 1 | 86 | 935/80 | Hurley Haywood | Bayside Disposal Racing | 7th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 86 | 935/80 | Hurley Haywood | Bayside Disposal Racing | 7th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 93 | 935 K3 | Don Whittington | Whittington Bros. Racing | 22nd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 94 | 935 K3 | Bill Whittington | Whittington Bros. Racing | 32nd |
| 21.9.1980 | 50 mile Road Atlanta 2 | 94 | 935 K3 | Bill Whittington | Whittington Bros. Racing | DNS |
| 21.9.1980 | 50 mile Road Atlanta 1 | 95 | 935 K3 | Dale Whittington | Whittington Bros. Racing | 2nd |
| 21.9.1980 | 50 mile Road Atlanta 2 | 95 | 935 K3 | Dale Whittington | Whittington Bros. Racing | 4th |
| 21.9.1980 | 50 mile Road Atlanta 2 | | 911 Carrera RSR | Ernesto Soto | Ernesto Soto | DNA |
| 21.9.1980 | CI Gr.4 Pergusa | | 911 SC | "Joker" | | ?th |
| 21.9.1980 | CI Gr.4 Pergusa | | 934 | Mannino | | ?th |
| 21.9.1980 | Luxembourg Nürburgring | | 935 | John Lagodny | | 1st |
| 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 |