Jan Lammers race record
| Grand Prix | Date | Team | Grid | Finish | Pts |
|---|---|---|---|---|---|
| United States Grand Prix 1980 | 5 Oct 1980 | Ensign | 25 | Steering | |
| Canadian Grand Prix 1980 | 28 Sept 1980 | Ensign | 19 | 12 | |
| German Grand Prix 1980 | 10 Aug 1980 | Ensign | 24 | 14 | |
| Monaco Grand Prix 1980 | 18 May 1980 | ATS | 13 | Not classified | |
| Belgian Grand Prix 1980 | 4 May 1980 | ATS | 15 | 12 | |
| United States Grand Prix West 1980 | 30 Mar 1980 | ATS | 4 | Transmission |