| 42.77 | 49 | 66th High School Championship | 20. - 22.01.2017 | Nikkō (JPN) |
| 42.92 | 1 | 29th Tochigi Prefecture Selection | 16.12.2016 | Nikkō (JPN) |
| 42.95 | 2 | 69th Tochigi Prefecture JHS And HS Competitions | 02.12.2016 | Nikkō (JPN) |
| 44.84 | 4 | 71st Tochigi Championships | 12. - 13.02.2016 | Nikkō (JPN) |
| 43.13 | 1 | 70th Tochigi Prefecture Championships | 13. - 14.02.2015 | Nikkō (JPN) |
| 43.91 | 3 | 67th Prefecture Junior High School / High School Competition | 09. - 10.01.2015 | Nikkō (JPN) |
| 45.92 | 5 | 66th Prefecture Junior And Senior High Schools Competition | 10. - 11.01.2014 | Nikkō (JPN) |
| 49.11 | 12 | 65th Prefecture Junior High School And Higs School Competition | 11. - 12.01.2013 | Nikkō (JPN) |
| 49.50 | 16 | 56th Kanto Championships | 16.12.2012 | Shibukawa (JPN) |
| 49.85 | 8 | Badge Test | 22.11.2012 | Nikkō (JPN) |
| 56.03 | 6 | 24th Tochigi Prefecture Selection | 17.02.2012 | Nikkō (JPN) |
| 53.02 | 9 | 67th Tochigi Prefecture Championships | 10. - 11.02.2012 | Nikkō (JPN) |
| 52.45 | 8 | 64th Tochigi Prefecture High School And Junior H.S. Competition | 06. - 07.01.2012 | Nikkō (JPN) |
| 55.88 | 5 | 2011 Badge Test | 22.11.2011 | Nikkō (JPN) |
| 59.61 | 6 | 13rd Nikko Conference | 18.02.2011 | Nikkō (JPN) |
| 56.43 | 8 | 37th Aomori Prefecture Against Tochigi Prefecture Elementary School Student Meeting | 05.02.2011 | Hachinohe (JPN) |
| 1:00.07 | 4 | 37th Aomori - Tochigi Prefecture Elementary School Meeting | 07.01.2011 | Nikkō (JPN) |
| 57.56 | 3 | 12th Tochigi Prefecture Sprint Meeting | 17.12.2010 | Nikkō (JPN) |
| 56.02 | 4 | Youth Race | 05.12.2010 | Nikkō (JPN) |
| 55.28 | 4 | 13th Nationale Meeting | 26.11.2010 | Nikkō (JPN) |
| DNS | - | 12th Nikko Conference | 19.02.2010 | Nikkō (JPN) |
| 1:02.98 | 9 | Aomori And Tochigi Prefecture Meeting | 07. - 08.01.2010 | Nikkō (JPN) |
| 1:09.11 | 7 | 11th Tochigi Prefecture Sprint Meeting | 18.12.2009 | Nikkō (JPN) |