All available race results R.J.H. Veltkamp
| Date | Race | Rank |
| 11/03 | Den Haag - Brussel | 10 |
Rider information for 1923
| Rank | 891 |
| Score | 5 |
| Name | R.J.H. VELTKAMP |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 16/03 | Den Haag - Brussel | 16 |
Rider information for 1924
| Rank | 1426 |
| Score | 0 |
| Name | R.J.H. VELTKAMP |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 22/03 | Den Haag - Brussel | 10 |
Rider information for 1925
| Rank | 931 |
| Score | 5 |
| Name | R.J.H. VELTKAMP |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 22/03 | Den Haag - Brussel | 17 |
Rider information for 1926
| Rank | 1541 |
| Score | 0 |
| Name | R.J.H. VELTKAMP |
| Country | Netherlands |
| Team | Individual |