PORSCHE RACING HISTORYChassis No. 906-144
30 July 1967 - Brands Hatch 6 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 73 | Porsche 906 | 906-144 | S2.0 | William Bradley (GB)/Michael Costin (GB) | Midland Racing Partnership (GB) | 17th | 3rd | 17th | 181 laps |
19 May 1968 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 93 | Porsche 906 | 906-144 | S2.0 | William Bradley (GB)/Chris Lambert (GB) | Vic Elford (GB) | 15th | 4th | 20th | 39 laps |
26 May 1968 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 906 | 906-144 | S2.0 | Chris Lambert (GB)/William Bradley (GB) | William Bradley (GB) | 7th | 1st | 19th | 62 laps |