Info
| Last name | Kosaka |
| First name | Masanori |
| Nationality |  Japan |
| Date of birth | 02-12-1963 |
| Age | 62 |
| Date | Rank | Race |
|---|---|---|
| 03-12 | 2 | Japanese National Championships CX (CN) |
| 26-11 | 2 | Kansai Cyclo-cross meeting Yasu Round (C2) |
| 29-01 | 46 |  UCI Cyclo-cross World Championships (CM) |
| 22-01 | 48 | UCI World Cup Hoogerheide (CDM) |