All available race results Arthur Rak
| Date | Race | Rank |
| 20/03 | Berlin - Cottbus - Berlin | 33 |
| 28/03 | Großer Straßenpreis der Deutschen Filmindustrie | 15 |
| 08/05 | Rund um Spessart und Rhön | 11 |
| München - Berlin | ||
| 23/07 | Stage 1 | 11 |
| 18/09 | Rund um Berlin | 16 |
Rider information for 1921
| Rank | 284 |
| Score | 54 |
| Name | Arthur RAK |
| Country | Germany |
| Team | Individual |