All available race results Willi Jr. Müller
| Date | Race | Rank |
| 20/03 | Berlin - Cottbus - Berlin | 37 |
Rider information for 1921
| Rank | 656 |
| Score | 6 |
| Name | Willi Jr. MÜLLER |
| Country | Germany |
| Team | Individual |
Rider information for 1927
| Rank | 318 |
| Score | 78 |
| Name | Willi Jr. MÜLLER |
| Country | Germany |
| Team | Individual |