All available race results William Seggar
| Date | Race | Rank |
| Quaker Oats Tour of Britain | ||
| 17/08 | Stage 7 | 2 |
Rider information for 1956
| Rank | 1200 |
| Score | 2 |
| Name | William SEGGAR |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| Milk Race | ||
| 17/06 | Stage 12 | 3 |
| 18/06 | General Classification | 16 |
Rider information for 1960
| Rank | 738 |
| Score | 22 |
| Name | William SEGGAR |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| Milk Race | ||
| 05/06 | Stage 2 | 5 |
| 17/06 | General Classification | 45 |
Rider information for 1961
| Rank | 953 |
| Score | 7 |
| Name | William SEGGAR |
| Country | Great Britain |
| Team | Individual |
No results available in season 1963.
Rider information for 1963
| Rank | 1655 |
| Score | 0 |
| Name | William SEGGAR |
| Country | Great Britain |
| Team | Soudel Sport |