All available race results Josef Zilker
| Date | Race | Rank |
| 25/06 | Wien - Linz | 16 |
Rider information for 1911
| Rank | 688 |
| Score | 10 |
| Name | Josef ZILKER |
| Country | Austria |
| Team | Individual |
| Date | Race | Rank |
| 26/05 | Wien - Linz | 2 |
| 07/07 | Olympic Games Time Trial | 46 |
| 21/07 | Wien - Graz - Wien | 6 |
Rider information for 1912
| Rank | 316 |
| Score | 46 |
| Name | Josef ZILKER |
| Country | Austria |
| Team | Individual |
| Date | Race | Rank |
| 24/05 | Rund um Wien | 1 |
Rider information for 1913
| Rank | 1096 |
| Score | 0 |
| Name | Josef ZILKER |
| Country | Austria |
| Team | Individual |