All available race results J.C.A. Kok
| Date | Race | Rank |
| Olympia's Tour | ||
| 06/07 | Stage 1 | 11 |
| 07/07 | Stage 2 | 10 |
| 09/07 | Stage 3 | 8 |
| 09/07 | General Classification | 9 |
Rider information for 1910
| Rank | 441 |
| Score | 16 |
| Name | J.C.A. KOK |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Olympia's Tour | ||
| 06/07 | Stage 1 | 11 |
| 07/07 | Stage 2 | 10 |
| 09/07 | Stage 3 | 8 |
| 09/07 | General Classification | 9 |
| Rank | 441 |
| Score | 16 |
| Name | J.C.A. KOK |
| Country | Netherlands |
| Team | Individual |