| 42.42 | 4 | National School Championships | 03. - 04.01.2026 | Seoul (KOR) |
| 42.97 | 20 | Korea - Sprint Championships 2026 | 26. - 27.12.2025 | Seoul (KOR) |
| 44.46 | 6 | 56th President's Cup | 24. - 26.10.2025 | Seoul (KOR) |
| 42.73 | 21 | 2025 Speed Skating Official Record Competition | 01. - 02.10.2025 | Seoul (KOR) |
| 44.14 | 8 | 60th National Junior High and High School Competition | 28. - 30.03.2025 | Seoul (KOR) |
| 44.00 | 5 | 60th National Ice Skating Competition | 21. - 23.03.2025 | Seoul (KOR) |
| 46.35 | 9 | 48th Gyeonggi-do Superintendent of Education Cup | 13. - 14.02.2025 | Seoul (KOR) |
| 45.72 | 10 | 106th National Winter Sports Festival | 15. - 17.01.2025 | Seoul (KOR) |
| 45.27 | 5 | 60th Gyeonggi Chairman's Cup | 03. - 04.12.2024 | Seoul (KOR) |
| 46.01 | 10 | 55th President's Cup | 08. - 10.11.2024 | Seoul (KOR) |
| 46.05 | 20 | ISU Qualification | 31.10. - 01.11.2024 | Seoul (KOR) |
| 46.62 | 30 | 2024 Speed Skating Official Records Competition | 09. - 11.10.2024 | Seoul (KOR) |
| 47.48 | 10 | 59th National Junior High and High School Competition | 15. - 17.03.2024 | Seoul (KOR) |
| 47.49 | 10 | 59th National Ice Skating Competition | 09. - 10.03.2024 | Seoul (KOR) |
| 48.04 | 12 | Korea - National Men's and Women's Championships 2024 | 24. - 25.02.2024 | Seoul (KOR) |
| 49.74 | 6 | 23rd National Dream Competition Elementary School | 09.12.2023 | Seoul (KOR) |
| 49.80 | 7 | 22nd National Dream Competition Elementary School | 11.12.2022 | Seoul (KOR) |
| 50.01 | 34 | 2022 Speed Skating Official Records Competition | 05. - 07.10.2022 | Seoul (KOR) |