| 42.59 | 45 | 63rd High School Championships | 21. - 24.01.2014 | Hachinohe (JPN) |
| 43.71 | 7 | 25th Tohoku High School Championships | 21. - 23.12.2013 | Morioka (JPN) |
| 43.50 | 1 | Fukushima Prefecture High School And Junior High School Competition | 06.12.2013 | Kōriyama (JPN) |
| 40.71 | 33 | 3rd High School Selection Competition | 23. - 24.02.2013 | Obihiro (JPN) |
| 40.30 | 50 | 11th M-Wave Cup | 15. - 17.02.2013 | Nagano (JPN) |
| 43.63 | 3 | Fukushima Prefecture Record Competition | 09.02.2013 | Kōriyama (JPN) |
| 42.30 | 45 | 62nd High School Championships | 23. - 26.01.2013 | Kushiro (JPN) |
| 45.42 | 8 | 24th Tohoku High School Championships | 22. - 24.12.2012 | Kōriyama (JPN) |
| 45.06 | 1 | 58th Fukushima Prefecture High School Competition | 07.12.2012 | Kōriyama (JPN) |
| 42.95 | 41 | 2nd High School Selection Competition | 25. - 26.02.2012 | Obihiro (JPN) |
| 42.39 | 55 | 10th M-Wave Cup | 17. - 19.02.2012 | Nagano (JPN) |
| 46.39 | 1 | Fukushima Prefecture High School New Member Competition | 04.02.2012 | Kōriyama (JPN) |
| 44.07 | 53 | 61st High School Championship | 21. - 24.01.2012 | Shibukawa (JPN) |
| 45.08 | 16 | 23rd Tohoku High School Championships | 23. - 25.12.2011 | Yamagata (JPN) |
| 46.07 | 2 | 57th Fukushima Prefecture High School Competition | 09.12.2011 | Kōriyama (JPN) |
| WDR | - | 22nd Fukushima Prefecture Speed Skating Competition Record Meeting | 05.02.2011 | Kōriyama (JPN) |
| 46.93 | 8 | 32nd Tohoku Junior High School Competition | 23. - 25.12.2010 | Morioka (JPN) |
| 49.01 | 2 | 53rd Fukushima Prefecture Junior High School Competition | 10.12.2010 | Kōriyama (JPN) |
| 46.98 | 7 | 20th Fukushima Prefecture Speed Skating Record Meeting | 24.02.2010 | Kōriyama (JPN) |
| 46.98 | 7 | 20th Fukushima Prefecture Record Meeting | 14.02.2010 | Kōriyama (JPN) |
| 47.58 | 7 | 39th Northeast Junior High School Championship | 21. - 23.12.2009 | Hachinohe (JPN) |
| 50.53 | 3 | 52nd Fukushima Prefecture Junior High School Competition | 11.12.2009 | Kōriyama (JPN) |