All available race results J.B. Dunn
| Date | Race | Rank |
| 28/09 | Millbury Road Race | 6 |
Rider information for 1889
| Rank | 544 |
| Score | 11 |
| Name | J.B. DUNN |
| Country | United States |
| Team | Individual |
| Date | Race | Rank |
| 28/09 | Millbury Road Race | 6 |
| Rank | 544 |
| Score | 11 |
| Name | J.B. DUNN |
| Country | United States |
| Team | Individual |