Info
| Last name | Yamamoto |
| First name | Seiichi |
| Nationality |  Japan |
| Date | Rank | Race |
|---|---|---|
| 03-12 | 45 | Utsunomiya cyclo cross series (C2) |
| 03-11 | 51 | Starlight-cross (C2) |
| 09-10 | 56 | Ibaraki Cyclo-cross Toride round (C2) |
| Last name | Yamamoto |
| First name | Seiichi |
| Nationality | Japan |
| Date | Rank | Race |
|---|---|---|
| 03-12 | 45 | Utsunomiya cyclo cross series (C2) |
| 03-11 | 51 | Starlight-cross (C2) |
| 09-10 | 56 | Ibaraki Cyclo-cross Toride round (C2) |