Info
| Last name | Yamamoto |
| First name | Seigo |
| Nationality |  Japan |
| Date of birth | 06-10-1983 |
| Age | 42 |
| Date | Rank | Race |
|---|---|---|
| 08-12 | 15 | Japanese National Championships CX (CN) |
| 17-11 | 13 | Shinshu Cyclocross Nobeyama Kogen Round 2 (C2) |
| 16-11 | 13 | Shinshu Cyclocross Nobeyama Kogen Round 1 (C2) |