All available race results Walter Callahan
| Date | Race | Rank |
| 04/07 | Santa Monica Road Race | 8 |
Rider information for 1901
| Rank | 310 |
| Score | 0 |
| Name | Walter CALLAHAN |
| Country | United States |
| Team | Individual |
| Date | Race | Rank |
| 04/07 | Santa Monica Road Race | 8 |
| Rank | 310 |
| Score | 0 |
| Name | Walter CALLAHAN |
| Country | United States |
| Team | Individual |