| 3.2.1980 | 24 h Daytona | 0 | | Field / Ongais / Minter | Interscope Racing | 3rd |
| 3.2.1980 | 24 h Daytona | 6 | #000 0009 | Fitzpatrick / Schurti / Barbour | Dick Barbour Racing | 29th |
| 22.3.1980 | 12 h Sebring | 0 | #000 00017 | Field / Ongais | Interscope Racing | 2nd |
| 22.3.1980 | 12 h Sebring | 6 | #000 0009 | Fitzpatrick / Barbour | Dick Barbour Racing | 1st |
| 23.3.1980 | DRM Zolder Bergischer Löwe | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | 3rd |
| 30.3.1980 | DRM Nürburgring 300 | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | DNF |
| 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 | DRM Hockenheim Jim Clark | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | 2nd |
| 13.4.1980 | 100 mile Road Atlanta | 6 | #000 0009 | John Fitzpatrick | Dick Barbour Racing | 30th |
| 27.4.1980 | 5 h Riverside | 0 | #000 00017 | Field / Ongais | Interscope Racing | 47th |
| 27.4.1980 | DRM Nürburgring Eifelrennen | 2 | #000 00011 | Axel Plankenhorn | Jägermeister Kremer Racing | 13th |
| 27.4.1980 | 5 h Riverside | 6 | #000 0009 | Fitzpatrick / Barbour | Dick Barbour Racing | 1st |
| 4.5.1980 | 100 mile Laguna Seca | 0 | #000 00017 | Ted Field | Interscope Racing | 4th |
| 4.5.1980 | 100 mile Laguna Seca | 00 | #000 00010 | Danny Ongais | Interscope Racing | 23rd |
| 4.5.1980 | 100 mile Laguna Seca | 6 | #000 0009 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 11.5.1980 | 6 h Silverstone | 19 | #000 00011 | Edwards / Fitzpatrick / Plankenhorn | Porsche Kremer Racing | DNF |
| 18.5.1980 | DRM Mainz-Finthen | 2 | #000 00011 | Axel Plankenhorn | Porsche Kremer Racing | DNF |
| 25.5.1980 | 1000 km Nürburgring | 6 | #000 0009 | Fitzpatrick / Plankenhorn / Barbour | Sachs-Sporting-Dick-Barbour-Team | 2nd |
| 26.5.1980 | 1 h 30 min Lime Rock | 00 | #000 00017 | Ted Field | Interscope Racing | 2nd |
| 1.6.1980 | DRM Spa | 2 | #000 00011 | John Fitzpatrick | Jägermeister-Kremer Racing | 2nd |
| 15.6.1980 | 24 h Le Mans | 41 | #000 00011 | Field / Ongais / Lafosse | Porsche Kremer Racing | DNF |
| 15.6.1980 | 24 h Le Mans | 42 | #930 670 0163 | Stommelen / Plankenhorn / Ikuzawa | Gozzy Kremer Racing | DNF |
| 15.6.1980 | 24 h Le Mans | 43 | #000 00013 | Lapeyre / Verney / Trintignant | Malardeau Kremer Racing | DNF |
| 15.6.1980 | 24 h Le Mans | 70 | #000 00023 | Fitzpatrick / Redman / Barbour | Dick Barbour | 5th |
| 22.6.1980 | DRM Norisring | 2 | #000 00011 | Jochen Mass | Jägermeister Kremer Racing | DNF |
| 22.6.1980 | DRM Norisring | 3 | | | Porsche Racing Kremer | DNA |
| 22.6.1980 | DRM Norisring | 8 | #000 0009 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 4.7.1980 | 250 mile Daytona Paul Revere | 00 | #000 00010 | Field / Ongais | Interscope Racing | 4th |
| 4.7.1980 | 250 mile Daytona Paul Revere | 6 | #000 0009 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 5.7.1980 | 6 h Watkins Glen | 0 | #000 00017 | Field / Ongais | Interscope Racing | 4th |
| 5.7.1980 | 6 h Watkins Glen | 4 | #000 0009 | Barth / Merl | Dick Barbour Racing | 5th |
| 5.7.1980 | 6 h Watkins Glen | 6 | #000 00023 | Fitzpatrick / Redman | Dick Barbour Racing | 3rd |
| 6.7.1980 | Donington International | 2 | #930 670 0163 | Guy Edwards | Jägermeister Kremer Racing | 2nd |
| 13.7.1980 | DRM Salzburgring | 2 | #000 00011 | John Fitzpatrick | Jägermeister Kremer Racing | 2nd |
| 27.7.1980 | 100 mile Golden State | 0 | #000 00010 | Danny Ongais | Interscope Racing | 18th |
| 27.7.1980 | 100 mile Golden State | 00 | #000 00017 | Ted Field | Interscope Racing | 3rd |
| 27.7.1980 | DRM Diepholz | 2 | #000 00011 | Rolf Stommelen | Porsche Kremer Racing | 6th |
| 27.7.1980 | DRM Diepholz | 3 | #000 00013 | "John Winter" | Porsche Kremer Racing | DNF |
| 27.7.1980 | 100 mile Golden State | 6 | #000 00023 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 3.8.1980 | 100 mile Portland | 00 | #000 00017 | Ted Field | Interscope Racing | 5th |
| 3.8.1980 | 100 mile Portland | 4 | #000 0009 | Skeeter McKitterick | Dick Barbour Racing | 19th |
| 3.8.1980 | 100 mile Portland | 6 | #000 00023 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 17.8.1980 | 6 h Mosport | 00 | #000 00017 | Field / Ongais | Interscope Racing | 3rd |
| 17.8.1980 | 6 h Mosport | 4 | #000 0009 | McKitterick / Mears | Dick Barbour Racing/Sachs USA | 5th |
| 17.8.1980 | 6 h Mosport | 6 | #000 00023 | Fitzpatrick / Redman | Dick Barbour Racing/Sachs USA | 1st |
| 24.8.1980 | DRM Zolder Westfalen | 2 | #000 00011 | John Fitzpatrick | Jägermeister Kremer Racing | 1st |
| 24.8.1980 | DRM Zolder Westfalen | 3 | #000 00013 | "Winter" / Fitzpatrick | Porsche Kremer Racing | DNS |
| 31.8.1980 | 500 mile Road America | 0 | #000 00017 | Field / Minter | Interscope Racing | 20th |
| 31.8.1980 | 500 mile Road America | 4 | #000 0009 | Skeeter McKitterick | Dick Barbour Racing | DNA |
| 31.8.1980 | 500 mile Road America | 6 | #000 00023 | Fitzpatrick / Barbour | Dick Barbour Racing | 2nd |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 2 | #000 00011 | John Fitzpatrick | Jägermeister Kremer Racing | 2nd |
| 7.9.1980 | DRM Hockenheim Hessen Cup | 3 | #000 00013 | Hans Soldeck | Porsche Kremer Racing | 11th |
| 21.9.1980 | 50 mile Road Atlanta 1 | 0 | #000 00010 | Ted Field | Interscope Racing | 8th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 0 | #000 00010 | Ted Field | Interscope Racing | 28th |
| 21.9.1980 | 50 mile Road Atlanta 2 | 00 | #000 00017 | Danny Ongais | Interscope Racing | 22nd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 00 | #000 00017 | Danny Ongais | Interscope Racing | 33rd |
| 21.9.1980 | DRM Nürburgring Supersprint | 2 | #000 00011 | Rolf Stommelen | Jägermeister Kremer Racing | DNF |
| 21.9.1980 | 50 mile Road Atlanta 2 | 6 | #000 00023 | John Fitzpatrick | Dick Barbour Racing | 2nd |
| 21.9.1980 | 50 mile Road Atlanta 1 | 6 | #000 00023 | John Fitzpatrick | Dick Barbour Racing | 1st |
| 21.9.1980 | DRM Nürburgring Supersprint | 11 | #000 00013 | Michael Korten | Zimmermann Racing | 5th |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 2 | #000 00011 | John Fitzpatrick | Jägermeister Kremer Team | 1st |
| 28.9.1980 | DRM Hockenheim Preis von Baden | 3 | #000 00013 | Michael Korten | Porsche Kremer Team | 3rd |
| 12.10.1980 | Zolder [Gr.2+2.0/Gr.4+2.0/Gr.5] | 1 | #000 00011 | | Jägermeister Kremer Racing | DNA |
| 30.11.1980 | 250 mile Daytona Finale | 0 | #000 00010 | Ted Field | Interscope Racing | 49th |
| 30.11.1980 | 250 mile Daytona Finale | 00 | #000 00017 | Danny Ongais | Interscope Racing | 36th |