All available race results William Lemercier
| Date | Race | Rank |
| 30/08 | G.P. de Plouay | 29 |
Rider information for 1966
| Rank | 548 |
| Score | 28 |
| Name | William LEMERCIER |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 02/09 | G.P. de Plouay | 11 |
Rider information for 1969
| Rank | 388 |
| Score | 71 |
| Name | William LEMERCIER |
| Country | France |
| Team | Individual |