All available race results Willem Cober
| Date | Race | Rank |
| 21/04 | Den Haag - Brussel | 4 |
| 17/08 | World Championships Road Race (Amateurs) | 21 |
Rider information for 1929
| Rank | 418 |
| Score | 48 |
| Name | Willem COBER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 30/08 | World Championships Road Race (Amateurs) | 15 |
Rider information for 1930
| Rank | 448 |
| Score | 44 |
| Name | Willem COBER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 19/06 | Nederlands Kampioenschap (ITT) | 24 |
Rider information for 1933
| Rank | 598 |
| Score | 22 |
| Name | Willem COBER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 17/09 | Nederlands Kampioenschap | 15 |
Rider information for 1934
| Rank | 587 |
| Score | 30 |
| Name | Willem COBER |
| Country | Netherlands |
| Team | Individual |