All available race results Otto Dorndorf
| Date | Race | Rank |
| 20/03 | Berlin - Cottbus - Berlin | 23 |
Rider information for 1921
| Rank | 620 |
| Score | 7 |
| Name | Otto DORNDORF |
| Country | Germany |
| Team | Individual |
| Date | Race | Rank |
| Großer Preis von Deutschland | ||
| 18/07 | Stage 1 | 19 |
| 19/07 | Stage 2 | 18 |
| 21/07 | Stage 3 | 16 |
| 23/07 | General Classification | 16 |
| 23/07 | Stage 4 | 17 |
Rider information for 1922
| Rank | 272 |
| Score | 56 |
| Name | Otto DORNDORF |
| Country | Germany |
| Team | Individual |