4:50.27 | 13 | 23rd Japan Student Championships | 18. - 19.12.2003 | Shibukawa (JPN) |
4:53.80 | 5 | 74th Japanese Student Hikami Championships | 07. - 09.01.2002 | Shibukawa (JPN) |
4:54.59 | 17 | 21st All Japan Student Championships | 20. - 21.12.2001 | Shibukawa (JPN) |
5:11.33 | 10 | 8th Nighter Seiko Oval Competitions | 01. - 03.12.2001 | Fujiyoshida (JPN) |
NC | - | Japanese Junior Championships 2000 | 14. - 15.01.2000 | Morioka (JPN) |
4:49.89 | 10 | 52nd Hokkaido High School Championship (zendo) | 21. - 23.12.1999 | Tomakomai (JPN) |
4:39.60 | 12 | Inter-High School | 22. - 24.01.1999 | Nagano (JPN) |
NC | - | Japanese Junior Allround Championships 1999 | 13. - 14.01.1999 | Shibukawa (JPN) |
NC | - | Japanese Junior Allround Championships 1998 | 31.01. - 01.02.1998 | Hachinohe (JPN) |
4:56.62 | 4 | 50th Hokkaido (zendo) High School Championships | 23. - 25.12.1997 | Obihiro (JPN) |
5:08.25 | 29 | Nomori St. Obihiro Night Games | 15. - 16.11.1997 | Obihiro (JPN) |
5:02.61 | 8 | All Japan Junior College Games | 05. - 06.02.1997 | Nikkō (JPN) |