All available race results R.H. Hahn
| Date | Race | Rank |
| 04/07 | Santa Monica Road Race | 35 |
Rider information for 1897
| Rank | 637 |
| Score | 0 |
| Name | R.H. HAHN |
| Country | United States |
| Team | Individual |
| Date | Race | Rank |
| 04/07 | Santa Monica Road Race | 35 |
| Rank | 637 |
| Score | 0 |
| Name | R.H. HAHN |
| Country | United States |
| Team | Individual |