| 49.34 | 9 | 59th National Junior High and High School Competition | 15. - 17.03.2024 | Seoul (KOR) |
| 48.95 | 10 | 59th National Ice Skating Competition | 09. - 10.03.2024 | Seoul (KOR) |
| 48.79 | 7 | 47th Gyeonggi Province Education Governess JHS and HS Competition | 15. - 16.02.2024 | Seoul (KOR) |
| 48.62 | 11 | 105th National Winter Sports Festival | 11. - 13.01.2024 | Seoul (KOR) |
| 49.20 | 7 | 105th National Winter Sports Competition Gyeonggi-do Preliminary Competition | 13. - 14.11.2023 | Seoul (KOR) |
| 48.59 | 13 | 54th President's Cup | 01. - 03.11.2023 | Seoul (KOR) |
| 48.14 | 10 | 58th National Junior High and High School Competition | 31.03. - 02.04.2023 | Seoul (KOR) |
| 48.86 | 12 | 58th National Ice Skating Competition | 18. - 19.03.2023 | Seoul (KOR) |
| 50.04 | 9 | 22nd National Dream Competition Elementary School | 11.12.2022 | Seoul (KOR) |
| 51.32 | 21 | 2021/22 2nd Records Competition | 18.02.2022 | Seoul (KOR) |
| 52.23 | 10 | 21st National Dream Speed Competition | 04.12.2021 | Seoul (KOR) |