Info
| Last name | Koshiyama |
| First name | Masahiro |
| Nationality |  Japan |
| Date of birth | 10-04-1986 |
| Age | 39 |
| Date | Rank | Race |
|---|---|---|
| 12-12 | 60 | Japanese National Championships CX (CN) |
| 21-11 | 30 | Kansai Cyclo Cross Biwako Grand Prix (C2) |
| 14-11 | 55 | Rapha Supercross Nobeyama (C2) |
| Last name | Koshiyama |
| First name | Masahiro |
| Nationality | Japan |
| Date of birth | 10-04-1986 |
| Age | 39 |
| Date | Rank | Race |
|---|---|---|
| 12-12 | 60 | Japanese National Championships CX (CN) |
| 21-11 | 30 | Kansai Cyclo Cross Biwako Grand Prix (C2) |
| 14-11 | 55 | Rapha Supercross Nobeyama (C2) |