Info
| Last name | Koki |
| First name | Obuchi |
| Nationality |  Japan |
| Date of birth | 16-09-1975 |
| Age | 50 |
| Date | Rank | Race |
|---|---|---|
| 30-11 | 28 | Shinshu Cyclocross Nobeyama Kogen Round 2 (C2) |
| 29-11 | 23 | Shinshu Cyclocross Nobeyama Kogen Round 1 (C2) |
| 23-11 | 9 | KANSAI Cyclo Cross MAKINO Round (C2) |