| 40.16 | 8 | 31st Akan Games | 21. - 22.12.1986 | Akan (JPN) |
| 38.90 | 1 | Hokkaido Sprint Championships | 14. - 15.02.1986 | Tomakomai (JPN) |
| NC | - | Hokkaido Championships | 16. - 17.02.1985 | Kushiro (JPN) |
| 39.30 | 1 | Akan-Games | 23. - 24.12.1984 | Akan (JPN) |
| 38.90 | 2 | 3rd All Japan Student Championships | 14. - 15.02.1984 | Shibukawa (JPN) |
| 38.48 | 3 | 56th All Japan Student Games | 21. - 23.12.1983 | Nikkō (JPN) |
| 39.95 | 11 | Japanese Sprint Championships 1984 | 16. - 17.12.1983 | Morioka (JPN) |
| 38.30 | 5 | 14th Asama-Games Incl 9th Japan-China Friendships Meeting | 08. - 09.12.1983 | Matsumoto (JPN) |
| 39.30 | 5 | 7th Makomanai-Games | 03. - 04.12.1983 | Sapporo (JPN) |
| 39.85 | 6 | 17th All Japan Selected | 28.02. - 01.03.1983 | Morioka (JPN) |
| 40.45 | 5 | 2nd University Championships | 08. - 09.02.1983 | Shibukawa (JPN) |
| 39.53 | 13 | Japanese Sprint Championships 1983 | 14. - 15.01.1983 | Shibukawa (JPN) |
| 38.17 | 3 | Vergleichskampf Dso-burevestnik-japan | 24. - 25.03.1982 | Alma Ata (KAZ) |
| 40.45 | 8 | 1st All Japan Students Championships | 08. - 09.02.1982 | Shibukawa (JPN) |
| 38.99 | 5 | 54th Japan Student Games | 23. - 25.12.1981 | Nikkō (JPN) |
| 39.11 | 9 | The 16th All-Japan Selected Competition | 16. - 18.12.1981 | Matsumoto (JPN) |
| 39.49 | 9 | 7th Japan And China Firendship Competition | 10. - 12.12.1981 | Matsumoto (JPN) |
| 40.62 | 16 | Open Japanese Championships | 16. - 17.01.1981 | Morioka (JPN) |
| 40.72 | 7 | 53rd All Japan Student Games | 07. - 09.01.1981 | Nikkō (JPN) |
| 39.43 | 8 | 11th Asama Selected | 11. - 12.12.1980 | Matsumoto (JPN) |
| 39.05 | 1 | Kanto Student Games | 08. - 10.12.1980 | Fujikawaguchiko (JPN) |
| 40.65 | 10 | 4th Makomanai Selected | 06. - 07.12.1980 | Sapporo (JPN) |
| 41.31 | 3 | All Japan High-School | 21. - 23.01.1980 | Kushiro (JPN) |
| 43.46 | 10 | Japanese Junior Single Distance Championships 1978 | 29. - 30.01.1978 | Morioka (JPN) |