| 44.63 | 15 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 44.63 | 15 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 44.17 | 4 | 46th Gyeonggi JHS and HS competition | 06. - 07.02.2023 | Seoul (KOR) |
| 44.48 | 7 | 104th National Winter Sports Festival | 27. - 29.01.2023 | Seoul (KOR) |
| 44.15 | 4 | 8th Chairman’s Cup Competition / 104th National Winter Sports Festival Gyeonggi selecion | 20. - 21.12.2022 | Seoul (KOR) |
| 44.29 | 7 | 53rd President's Cup | 04. - 06.11.2022 | Seoul (KOR) |
| 44.92 | 28 | 2022 Speed Skating Official Records Competition | 05. - 07.10.2022 | Seoul (KOR) |
| 44.91 | 5 | 57th National High School / Junior High School Competition | 01. - 03.04.2022 | Seoul (KOR) |
| 44.42 | 4 | 57th National Ice Skating Competition | 19. - 20.03.2022 | Seoul (KOR) |
| 45.14 | 3 | 2021/22 2nd Records Competition | 18.02.2022 | Seoul (KOR) |
| 45.47 | 12 | 2022 National Speed Skating Championships | 27. - 28.01.2022 | Seoul (KOR) |
| 45.54 | 4 | 45th Gyeonggi HS And JHS Competition | 22.01.2022 | Seoul (KOR) |
| 44.93 | 9 | 52nd Presidents Cup | 11. - 13.11.2021 | Seoul (KOR) |
| 45.47 | 11 | 56th National High School And Junior High School Competition | 26. - 28.03.2021 | Seoul (KOR) |
| 45.89 | 9 | 44th Gyeonggi Competition | 17. - 18.03.2021 | Seoul (KOR) |
| 45.52 | 10 | 56th Memorial Competition | 11. - 12.03.2021 | Seoul (KOR) |
| 45.54 | 8 | 51st President's Cup | 25. - 27.11.2020 | Seoul (KOR) |
| 45.87 | 5 | 19th National Youth Competition | 01.12.2019 | Seoul (KOR) |
| 46.32 | 33 | 2019 Records Competition | 14. - 16.10.2019 | Seoul (KOR) |
| 46.96 | 13 | 2019 National Speed Skating Championships | 15. - 17.01.2019 | Seoul (KOR) |
| 47.22 | 10 | 18th National Youth Competition | 11.11.2018 | Seoul (KOR) |
| 49.10 | 14 | 2018 National Speed Skating Championships | 25. - 27.01.2018 | Seoul (KOR) |
| 48.92 | 2 | Korean Youth Single Distance Championships 2018 | 03.12.2017 | Seoul (KOR) |