Kazumi Yamashita had the following placements at major international championships - Women: 1968 World Championships (18th); 1969 World Championships (11th); 1970 World Championships (16th); 1971 World Championships (13th).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Winter Olympics | Figure Skating (Skating) | Kazumi Yamashita | ||||
| Singles, Women (Olympic) | 14 | |||||
| 1972 Winter Olympics | Figure Skating (Skating) | Kazumi Yamashita | ||||
| Singles, Women (Olympic) | 10 |