| 38.71 | 13 | 19th Asama-Selection | 09. - 10.12.1988 | Matsumoto (JPN) |
| 39.06 | 9 | 12th Makomanai Games | 03. - 04.12.1988 | Sapporo (JPN) |
| 38.30 | 9 | Japanese Sprint Championships 1988 | 08. - 09.01.1988 | Fujiyoshida (JPN) |
| 37.75 | 1 | 60th All Japan University Games | 23. - 25.12.1987 | Nikkō (JPN) |
| 38.85 | 5 | 11th Makomanai Selection | 05. - 06.12.1987 | Sapporo (JPN) |
| 37.40 | 1 | Internationales Rennen | 16. - 19.03.1987 | Alma Ata (KAZ) |
| 38.18 | 2 | All Japan Student Championships | 09. - 10.02.1987 | Shibukawa (JPN) |
| 38.92 | 2 | Japanese Sprint Championships 1987 | 09. - 10.01.1987 | Morioka (JPN) |
| 38.04 | 2 | 59th All Japan Student Games | 24. - 26.12.1986 | Nikkō (JPN) |
| 37.97 | 3 | 17th Asama Selection | 12. - 13.12.1986 | Matsumoto (JPN) |
| 38.45 | 3 | 5th Japanese Student Championships | 13. - 14.02.1986 | Shibukawa (JPN) |
| 38.66 | 8 | Japanese Sprint Championships 1986 | 17. - 18.01.1986 | Karuizawa (JPN) |
| 37.77 | 1 | All Kanto Games | 11. - 12.01.1986 | Karuizawa (JPN) |
| 40.65 | 15 | 4th All Japan Student Championships | 13. - 14.02.1985 | Shibukawa (JPN) |
| 39.59 | 19 | Japanese Sprint Championships 1985 | 18. - 19.01.1985 | Karuizawa (JPN) |
| 39.45 | 6 | 57th All Japan Student Games | 19. - 21.12.1984 | Nikkō (JPN) |
| 40.35 | 6 | 33rd All Japan High-School Games | 24. - 25.01.1984 | Kushiro (JPN) |
| 39.90 | 1 | Akan-Speed | 25. - 26.12.1983 | Akan (JPN) |
| 41.00 | 5 | Hokkaido Championships | 12. - 13.02.1983 | Kitami (JPN) |
| NC | - | Nationell | 06. - 07.02.1982 | Asahikawa (JPN) |
| 40.97 | 10 | 31st All Japan High School Students Championships | 21. - 23.01.1982 | Hachinohe (JPN) |
| 41.99 | 4 | 1st All Japan Junior Highschool | 04. - 05.02.1981 | Hachinohe (JPN) |