| 49.11 | 36 | 64th Japan High School Championships | 22. - 25.01.2015 | Yamagata (JPN) |
| 51.01 | 7 | 39th Iwate Prefecture Sprint Championships | 10. - 11.01.2015 | Morioka (JPN) |
| 52.51 | 7 | 26th Tohoku High School Championships | 20. - 22.12.2014 | Hachinohe (JPN) |
| 49.62 | 3 | 8th Kokutai Selection Meeting | 13. - 14.12.2014 | Morioka (JPN) |
| 51.61 | 2 | 64th Iwate Prefecture High School Championships | 06. - 07.12.2014 | Morioka (JPN) |
| 51.20 | 6 | 30th Iwate Prefecture Selection | 22. - 23.11.2014 | Morioka (JPN) |
| 49.06 | 24 | 4th High School Competition | 22. - 23.02.2014 | Obihiro (JPN) |
| 53.04 | 5 | 52nd Iwate Prefecture Championships | 15. - 16.02.2014 | Morioka (JPN) |
| 52.48 | 3 | 50th Iwate Prefecture High School Rookie Championships | 08. - 09.02.2014 | Morioka (JPN) |
| 53.35 | 4 | 29th Iwate Prefecture Selection Competition | 12. - 13.01.2014 | Morioka (JPN) |
| 59.67 | 7 | 25th Tohoku High School Championships | 21. - 23.12.2013 | Morioka (JPN) |
| 1:04.10 | 4 | 63rd Iwate Prefecture High School Championships | 14. - 15.12.2013 | Morioka (JPN) |
| 51.50 | 4 | 7th National Sports Festival Qualifying Competition | 07. - 08.12.2013 | Morioka (JPN) |
| 53.24 | 12 | 38th Iwate Prefecture Sprint Championschips | 23. - 24.11.2013 | Morioka (JPN) |
| 53.82 | 11 | 2013 Iwate Prefecture Championships | 16. - 17.02.2013 | Morioka (JPN) |
| 54.32 | 3 | 49th Iwate Prefecture High School New Member Championships | 09. - 10.02.2013 | Morioka (JPN) |
| 57.53 | 4 | 28th Iwate Prefecture Distance Championships | 12. - 13.01.2013 | Morioka (JPN) |
| 59.92 | 4 | 62nd Iwate Prefecture Highschool Championships | 15. - 16.12.2012 | Morioka (JPN) |
| 1:02.94 | 5 | 65th Iwate Prefecture Skating Sports Festival | 08. - 09.12.2012 | Morioka (JPN) |
| 1:10.59 | 12 | 37th Iwate Prefecture Sprint Championships | 23. - 24.11.2012 | Morioka (JPN) |