All available race results C. Jackman
| Date | Race | Rank |
| 24/05 | Anfield 100 Invitational | 35 |
Rider information for 1920
| Rank | 733 |
| Score | 0 |
| Name | C. JACKMAN |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 21/05 | Anfield 100 Invitational | 44 |
Rider information for 1923
| Rank | 1335 |
| Score | 0 |
| Name | C. JACKMAN |
| Country | Great Britain |
| Team | Individual |