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 Lett, Cliff | ||||||||
| No. | Rank | Points | Date | City | Series | Class | Season | |
| 1 | 4 | 0 | 1987 |  | Romsey | IFMAR | 4WD | 1987 |
| 2 | 3 | 0 | 1989 |  | St Ives | IFMAR | 2WD | 1989 |
| 3 | 4 | 0 | 1989 | | St Ives | IFMAR | 4WD | 1989 |
| 4 | 1 | 0 | 1991 | | Detroit, MI | IFMAR | 4WD | 1991 |
| 5 | 7 | 0 | 1996 | | Beaulieu | IFMAR | 1:8 Offroad | 1996 |
| 6 | 32 | 0 | 15.08.1997 | | Pomona | IFMAR | 2WD | 1997 |
| 7 | 27 | 0 | 15.08.1997 | | Pomona | IFMAR | 4WD | 1997 |
