| 38.58 | 8 | All Japan Industry Games | 20. - 21.12.1991 | Shibukawa (JPN) |
| 39.28 | 23 | Japanese Sprint Championships 1991 | 11. - 12.01.1991 | Hachinohe (JPN) |
| 39.17 | 8 | 30th All Japan Industry | 21. - 22.12.1990 | Yamagata (JPN) |
| 39.15 | 15 | 21st Asama Games | 12. - 13.12.1990 | Matsumoto (JPN) |
| 38.95 | 8 | 24th All Japan Finals | 23. - 24.02.1990 | Morioka (JPN) |
| 38.45 | 6 | All Japan Student Championships | 08. - 09.02.1990 | Shibukawa (JPN) |
| NC | - | All Kanto Championships | 06. - 07.01.1990 | Karuizawa (JPN) |
| 39.50 | 5 | 62nd All Japan Student-Games | 22. - 24.12.1989 | Tomakomai (JPN) |
| 39.26 | 16 | 20th Asama Selection | 14. - 15.12.1989 | Matsumoto (JPN) |
| 39.26 | 15 | 13th Makomanai-Games | 02. - 03.12.1989 | Sapporo (JPN) |
| 40.74 | 12 | 8th All Japan Student Championships | 09. - 10.02.1989 | Shibukawa (JPN) |
| 39.98 | 20 | Japanese Sprint Championships 1989 | 06. - 07.01.1989 | Kushiro (JPN) |
| 38.90 | 15 | 19th Asama-Selection | 09. - 10.12.1988 | Matsumoto (JPN) |
| 38.94 | 4 | 22nd All Japan Final Games | 26. - 27.02.1988 | Morioka (JPN) |
| 38.42 | 1 | 37th Chubu Nippon/central Japan | 12. - 13.02.1988 | Karuizawa (JPN) |
| 38.88 | 9 | 7th All Japan Student Championships | 09. - 10.02.1988 | Shibukawa (JPN) |
| 39.94 | 20 | All Japan Student Championships | 09. - 10.02.1987 | Shibukawa (JPN) |
| NC | - | 19th All Kanto Championships | 10. - 11.01.1987 | Karuizawa (JPN) |
| NC | - | Hokkaido Sprint Championships | 14. - 15.02.1986 | Tomakomai (JPN) |
| 39.88 | 12 | 35th All Japan High-School Games | 22. - 23.01.1986 | Shibukawa (JPN) |