41.00 | 4 | 48th Japan Student Games | 08. - 10.01.1976 | Nikkō (JPN) |
41.30 | 5 | 4th Karuizawa Games | 23. - 25.12.1975 | Karuizawa (JPN) |
41.10 | 3 | 8th East Japan Student Games | 18. - 19.12.1975 | Shibukawa (JPN) |
41.10 | 5 | Nationell | 28. - 29.11.1974 | Matsumoto (JPN) |
41.60 | 2 | 46th University Games | 08. - 10.01.1974 | Nikkō (JPN) |
41.80 | 3 | 21th High School Championships | 11. - 14.01.1972 | Nikkō (JPN) |
42.50 | 1 | 20th High School Championships | 20. - 21.01.1971 | Hachinohe (JPN) |
42.20 | 3 | 19th High School Championships | 21. - 22.01.1970 | Matsumoto (JPN) |