All available race results Otto C. Maas
| Date | Race | Rank |
| 30/05 | Pullman Road Race | 11 |
Rider information for 1890
| Rank | 457 |
| Score | 0 |
| Name | Otto C. MAAS |
| Country | United States |
| Team | Individual |
| Date | Race | Rank |
| 30/05 | Pullman Road Race | 11 |
| Rank | 457 |
| Score | 0 |
| Name | Otto C. MAAS |
| Country | United States |
| Team | Individual |