Info
| Last name | Yamamoto |
| First name | Seigo |
| Nationality |  Japan |
| Date of birth | 06-10-1983 |
| Age | 42 |
| Date | Rank | Race |
|---|---|---|
| 11-12 | 9 | Japanese National Championships CX (CN) |
| 27-11 | 14 | Kansai Cyclo-cross Nobeyama Kogen Round (C2) |
| 20-11 | 8 | Kansai Cyclo-cross Yasu Round (C2) |