Info
| Last name | Kosaka |
| First name | Masanori |
| Nationality |  Japan |
| Date of birth | 02-12-1963 |
| Age | 62 |
| Date | Rank | Race |
|---|---|---|
| 08-12 | 17 | Japanese National Championships CX (CN) |
| 23-11 | 35 | Rapha Supercross Nobeyama (C1) |
| 17-11 | 22 | KANSAI Cyclo Cross Makino Round (C2) |
| 03-11 | 11 | Yowamushi-Pedal Makuhari Cross (C2) |
| 27-10 | 7 | Sagae Round Tohoku CX Series (C2) |