All available race results Willi Jr. Müller
| Date | Race | Rank |
| 20/03 | Berlin - Cottbus - Berlin | 37 |
Rider information for 1921
| Rank | 674 |
| Score | 6 |
| Name | Willi Jr. MÜLLER |
| Country | Germany |
| Team | Individual |
Rider information for 1927
| Rank | 342 |
| Score | 73 |
| Name | Willi Jr. MÜLLER |
| Country | Germany |
| Team | Individual |