Info
| Last name | Hayase |
| First name | Kumi |
| Nationality |  Japan |
| Date of birth | 25-04-1975 |
| Age | 50 |
| Date | Rank | Race |
|---|---|---|
| 29-09 | DNS | Coupe du Japon Misaka International (3) |
| 07-07 | LAP | Japanese National Championships - XCO (CN) |
| 09-06 | LAP | Coupe du Japon Hakusan-Ichirino (3) |
| 26-05 | LAP | Coupe de Japon MTB Yawatahama International MTB Race (1) |