| 3.2.1980 | 24 h Daytona | 0 | | Field / Ongais / Minter | Interscope Racing | 3rd |
| 3.2.1980 | 24 h Daytona | 00 | | Field / Ongais / Minter | Interscope Racing | DNS |
| 3.2.1980 | 24 h Daytona | 05 | #930 770 0911 (009 0005) | Akin / Woods / Rahal | Racing Associates | 54th |
| 3.2.1980 | 24 h Daytona | 07 | #930 770 0958 | Heimrath | Heimrath Racing | 66th |
| 3.2.1980 | 24 h Daytona | 09 | #930 890 0021 | Paul / Holbert | Thunderbird Swap Shop | 2nd |
| 3.2.1980 | 24 h Daytona | 2 | #930 890 0014 | Jöst / Stommelen / Merl | Liqui Moly | 1st |
| 3.2.1980 | 24 h Daytona | 5 | #009 00016 | Mendez / Redman / Miller | Racing Associates | 39th |
| 3.2.1980 | 24 h Daytona | 6 | #000 0009 | Fitzpatrick / Schurti / Barbour | Dick Barbour Racing | 29th |
| 3.2.1980 | 24 h Daytona | 9 | #009 00030 | McKitterick / Garretson / Verney | Dick Barbour Racing | 9th |
| 3.2.1980 | 24 h Daytona | 13 | #930 770 0905 | Forbes-Robinson / Townsend / Meister | Andial Racing | 45th |
| 3.2.1980 | 24 h Daytona | 14 | | Dieudonné / Koechlin / Walger | Renaissance Group Racing | DNS |
| 3.2.1980 | 24 h Daytona | 30 | #000 00012 | Moretti | Electrodyne | 59th |
| 3.2.1980 | 24 h Daytona | 55 | #930 770 0957 | Kent-Cooke / Bleynie / Ballot-Léna | Racing Associates | 48th |
| 3.2.1980 | 24 h Daytona | 59 | #930 990 0030 | Gregg / Haywood / Leven | Brumos Porsche Audi | 11th |
| 3.2.1980 | 24 h Daytona | 93 | #009 00015 | Whittington / Whittington / Whittington | Whittington Bros. | 16th |
| 3.2.1980 | 24 h Daytona | 94 | #930 990 0028 | Whittington / Plankenhorn | Whittington Bros. | 51st |
| 16.3.1980 | 6 h Brands Hatch | 9 | #009 0003 | Dören / Holup / Lässig | Weralit Elora Racing Team | DNF |
| 16.3.1980 | 6 h Brands Hatch | 10 | #930 770 0912 | Bussi / Salam | Christian Bussi | NC |
| 16.3.1980 | 6 h Brands Hatch | 11 | #930 890 0022 | Lovett / Cooper / Wood | Charles Ivey Engineering | 5th |
| 16.3.1980 | 6 h Brands Hatch | 15 | #930 890 0012 | Schornstein / Grohs | Vegla Racing Team Aachen | 7th |
| 16.3.1980 | 6 h Brands Hatch | 18 | | Lundgardh / Simonsen / Kristoffersen | Tuff-Kote Dinol Racing | NC |
| 22.3.1980 | 12 h Sebring | 0 | #000 00017 | Field / Ongais | Interscope Racing | 2nd |
| 22.3.1980 | 12 h Sebring | 00 | | Ongais / Field | Interscope Racing | DNA |
| 22.3.1980 | 12 h Sebring | 05 | #930 770 0911 (009 0005) | Akin / Woods / McKitterick | Mendez/Woods/Akin | 5th |
| 22.3.1980 | 12 h Sebring | 07 | #930 770 0958 | Heimrath / Rutherford / Moran | Ludwig Heimrath | 8th |
| 22.3.1980 | 12 h Sebring | 09 | #930 890 0021 | Paul / Henn / Holbert | Thunderbird Swap Shop | 4th |
| 22.3.1980 | 12 h Sebring | 4 | #930 890 0024 | Marcus / Harmon / Hinze | Dick Barbour Racing | 60th |
| 22.3.1980 | 12 h Sebring | 5 | #009 00016 | Mendez / Redman / Miller | Mendez/Woods/Akin | 64th |
| 22.3.1980 | 12 h Sebring | 6 | #000 0009 | Fitzpatrick / Barbour | Dick Barbour Racing | 1st |
| 22.3.1980 | 12 h Sebring | 9 | #009 00030 | Garretson / Rahal / Nierop | Dick Barbour Racing | 7th |
| 22.3.1980 | 12 h Sebring | 13 | #930 770 0905 | Townsend / Morton | Andial Racing | 61st |
| 22.3.1980 | 12 h Sebring | 18 | #009 00043 | Paul / Holbert | JLP Racing | DNA |
| 22.3.1980 | 12 h Sebring | 30 | #930 890 0014 | Moretti / Pianta / Zorzi | Electrodyne | 27th |
| 22.3.1980 | 12 h Sebring | 53 | | Leven / Haywood | Bruce Leven | DNS |
| 22.3.1980 | 12 h Sebring | 55 | #930 770 0957 | Kent-Cooke / St. James | Condor Racing | 49th |
| 22.3.1980 | 12 h Sebring | 86 | #930 890 0018 | Gregg / Haywood / Leven | Bayside Disposal Racing | 10th |
| 22.3.1980 | 12 h Sebring | 93 | #009 00015 | Whittington / Whittington / Whittington | Whittington Bros. | 3rd |
| 22.3.1980 | 12 h Sebring | 94 | #930 990 0028 | Whittington / Hobbs | Whittington Bros. | DNA |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | 3rd |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 3 | | | Jägermeister Kremer Racing | DNA |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 4 | #009 0003 | Edgar Dören | Weralit-Elora-Team | 4th |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 5 | #930 890 0012 | Dieter Schornstein | Vegla-Racing-Team | 5th |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 6 | #000 00016 | Rolf Stommelen | Liqui Moly équipe | 1st |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 7 | #009 0001 | Volkert Merl | Liqui Moly équipe | DNS |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 8 | #930 890 0011 | Franz Gschwender | Franz Gschwender | DNS |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 11 | #009 0002 | Claude Bourgoignie | Team Willeme | DNF |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 12 | #930 770 0903 | "Davit" | Team Willeme | 6th |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 16 | #000 00022 | Bob Wollek | RG-Motorsportverband Bergisch Land | 2nd |
| 30.3.1980 | DRM Nürburgring 300 | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | DNF |
| 30.3.1980 | DRM Nürburgring 300 | 4 | #009 0003 | Edgar Dören | Weralit-Elora Team | DNF |
| 30.3.1980 | DRM Nürburgring 300 | 5 | #930 890 0012 | Dieter Schornstein | Vegla-Racing Team | 6th |
| 30.3.1980 | DRM Nürburgring 300 | 6 | #000 00016 | Rolf Stommelen | Liqui Moly Equipe | 2nd |
| 30.3.1980 | DRM Nürburgring 300 | 7 | #009 0001 | Volkert Merl | Liqui Moly Equipe | 1st |
| 30.3.1980 | DRM Nürburgring 300 | 16 | #000 00022 | Bob Wollek | Gelo Racing Team Georg Loos Werbe KG | DNF |
| 30.3.1980 | DRM Nürburgring 300 | 64 | | Jan Lundgardh | Tuff Kote Dinol | 10th |
| 6.4.1980 | MN GT Donington | 3 | #930 890 0022 | Dudley Wood | Charles Ivey Racing | DNA |
| 6.4.1980 | SM Dijon | | | Rolf Madörin | | ?th |
| 7.4.1980 | CI Gr.2/4/5 Magione | | #930 890 0017 | "Victor" | "Victor" | 1st |
| 13.4.1980 | 100 mile Road Atlanta | 0 | #000 00017 | Danny Ongais | Interscope Racing | 5th |
| 13.4.1980 | 100 mile Road Atlanta | 00 | #000 00010 | Ted Field | Interscope Racing | 14th |
| 13.4.1980 | 100 mile Road Atlanta | 07 | #930 770 0958 | Ludwig Heimrath | Ludwig Heimrath | 27th |
| 13.4.1980 | DRM Hockenheim Jim Clark | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | 2nd |
| 13.4.1980 | DRM Hockenheim Jim Clark | 3 | | | Porsche Kremer Racing | DNA |
| 13.4.1980 | DRM Hockenheim Jim Clark | 4 | #009 0003 | Jürgen Lässig | Weralit Elora Team | DNF |
| 13.4.1980 | DRM Hockenheim Jim Clark | 5 | | | Porsche Kremer Racing | DNA |
| 13.4.1980 | DRM Hockenheim Jim Clark | 6 | #000 00016 | Rolf Stommelen | Liqui Moly Equipe | DNF |
| 13.4.1980 | DRM Hockenheim Jim Clark | 7 | #009 0001 | Volkert Merl | Liqui Moly Equipe | 3rd |
| 13.4.1980 | DRM Hockenheim Jim Clark | 8 | | | Porsche Kremer Racing | DNA |
| 13.4.1980 | DRM Hockenheim Jim Clark | 9 | #000 00022 | Bob Wollek | Gelo Racing Team Georg Loos Werbe KG | 4th |
| 13.4.1980 | DRM Hockenheim Jim Clark | 10 | #930 890 0012 | Dieter Schornstein | Vegla Racing Team | 5th |
| 13.4.1980 | 100 mile Road Atlanta | 18 | #009 00043 | John Paul | John Paul | 6th |
| 13.4.1980 | 100 mile Road Atlanta | 30 | #930 890 0014 | Gianpiero Moretti | Electrodyne/Moretti | 7th |
| 13.4.1980 | 100 mile Road Atlanta | 85 | #930 770 0909 | Bruce Leven | Bruce Leven | 25th |
| 13.4.1980 | 100 mile Road Atlanta | 86 | #930 890 0018 | Hurley Haywood | Hurley Haywood | 2nd |
| 13.4.1980 | 100 mile Road Atlanta | 94 | #930 670 0152 | Dale Whittington | Whittington Bros. Racing | 4th |
| 13.4.1980 | 100 mile Road Atlanta | 95 | #930 890 0023 | Bill Whittington | Whittington Bros. Racing | 1st |
| 1980 | Vila Real | 3 | | António Barros | | 1st |
| 1980 | Costa Verde | 88 | | António Barros | | 1st |
| 1980 | Costa Verde | 90 | | Joaquim Moutinho | | raced |
| 1980 | Vila do Conde II | 95 | | Joaquim Moutinho | | raced |
| 1980 | Vila do Conde II | 96 | #911 460 9095 | Robert Giannone | | raced |
| 1980 | Vila do Conde II | 97 | | António Barros | | 1st |
| 1980 | Vila Real | | #911 460 9095 | Robert Giannone | | DNF |
| 1980 | Costa Verde | | #911 460 9095 | Robert Giannone | | raced |