Info
| Last name | Yamaguchi |
| First name | Sohei |
| Nationality |  Japan |
| Date | Rank | Race |
|---|---|---|
| 09-06 | Coupe du Japon Hakusan-Ichirino (3) | |
| 26-05 | LAP | Coupe de Japon MTB Yawatahama International MTB Race (1) |
| Last name | Yamaguchi |
| First name | Sohei |
| Nationality | Japan |
| Date | Rank | Race |
|---|---|---|
| 09-06 | Coupe du Japon Hakusan-Ichirino (3) | |
| 26-05 | LAP | Coupe de Japon MTB Yawatahama International MTB Race (1) |