| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Kumiko•Yokoyama | |
| Used name | Kumiko•Yokoyama | |
| Original name | 横山•久美子 | |
| Born | 7 April 1972 in Myokokogen, Niigata |  JPN |
| Measurements | 165 cm / 55 kg | |
| Affiliations | Moriya Trading Company Ski Club | |
| NOC | Japan | JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1998 Winter Olympics | Cross Country Skiing (Skiing) | JPN |
Kumiko Yokoyama | |||
| 5 kilometres, Women (Olympic) | 50 | |||||
| 15 kilometres, Women (Olympic) | 34 | |||||
| 30 kilometres, Women (Olympic) | 39 | |||||
| Skiathlon, Women (Olympic) | 46 | |||||
| Relay, Women (Olympic) | Japan | 10 |
