All available race results J. Mac
| Date | Race | Rank |
| 08/04 | 100 Miles Professional Championship of Britain | 3 |
Rider information for 1882
| Rank | 54 |
| Score | 61 |
| Name | J. MAC |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 24/03 | 50 Miles Professional Championship #1 | 3 |
| 06/10 | 100 Miles Professional Championship of Britain | 3 |
Rider information for 1883
| Rank | 29 |
| Score | 122 |
| Name | J. MAC |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 12/04 | 50 Miles Professional Championship #3 | 6 |
Rider information for 1884
| Rank | 93 |
| Score | 44 |
| Name | J. MAC |
| Country | Great Britain |
| Team | Individual |