| 40.48 | 5 | 105th National Winter Sports Festival | 11. - 13.01.2024 | Seoul (KOR) |
| 40.70 | 10 | Korea - Sprint Championships 2024 | 28. - 29.12.2023 | Seoul (KOR) |
| 40.27 | 2 | 105th National Winter Sports Competition Gyeonggi-do Preliminary Competition | 13. - 14.11.2023 | Seoul (KOR) |
| 40.27 | 3 | 54th President's Cup | 01. - 03.11.2023 | Seoul (KOR) |
| 40.59 | 8 | South Korean Single Distance Championships 2024 | 20. - 22.10.2023 | Seoul (KOR) |
| 40.75 | 9 | 2023 Speed Skating Official Records Competition | 07. - 09.10.2023 | Seoul (KOR) |
| 40.90 | 3 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 40.90 | 3 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 41.36 | 4 | 104th National Winter Sports Festival | 27. - 29.01.2023 | Seoul (KOR) |
| 40.93 | 1 | 8th Chairman’s Cup Competition / 104th National Winter Sports Festival Gyeonggi selecion | 20. - 21.12.2022 | Seoul (KOR) |
| 42.40 | 5 | 53rd President's Cup | 04. - 06.11.2022 | Seoul (KOR) |
| 41.03 | 10 | South Korean Single Distance Championships 2023 | 19. - 21.10.2022 | Seoul (KOR) |
| 41.03 | 7 | Winter World University Games Selection | 19. - 21.10.2022 | Seoul (KOR) |
| 40.37 | 6 | 2022 Speed Skating Official Records Competition | 05. - 07.10.2022 | Seoul (KOR) |
| 40.38 | 7 | Fall Classic | 23. - 25.09.2022 | Calgary (CAN) |
| 40.45 | 15 | Fall Classic | 23. - 25.09.2022 | Calgary (CAN) |
| 40.41 | 12 | Time Trial | 17.09.2022 | Calgary (CAN) |
| 45.45 | 7 | 55th National University Competition | 01. - 03.04.2022 | Seoul (KOR) |
| 51.91 | 7 | 57th National Ice Skating Competition | 19. - 20.03.2022 | Seoul (KOR) |
| 49.81 | 10 | 103rd National Winter Sports Festival | 24. - 26.02.2022 | Seoul (KOR) |
| 41.47 | 2 | 103rd National Winter Sports Festival Gyeonggi Preliminary Competition | 10. - 11.12.2021 | Seoul (KOR) |
| 40.46 | 5 | 52nd Presidents Cup | 11. - 13.11.2021 | Seoul (KOR) |
| 41.04 | 9 | South Korean Single Distance Championships 2022 | 15. - 17.09.2021 | Seoul (KOR) |
| 41.04 | 5 | 2021/22 ISU Junior World Cup Selection | 15. - 17.09.2021 | Seoul (KOR) |
| 40.58 | 3 | South Korean Junior Championships 2021 | 01. - 02.05.2021 | Seoul (KOR) |
| 41.02 | 8 | South Korean Sprint Championships 2021 | 24. - 25.04.2021 | Seoul (KOR) |
| 41.58 | 10 | South Korean Single Distance Championship 2021 | 09. - 11.04.2021 | Seoul (KOR) |
| 41.64 | 6 | 56th National High School And Junior High School Competition | 26. - 28.03.2021 | Seoul (KOR) |
| 41.24 | 4 | 56th Memorial Competition | 11. - 12.03.2021 | Seoul (KOR) |
| 41.08 | 3 | 51st President's Cup | 25. - 27.11.2020 | Seoul (KOR) |
| 40.01 | 6 | World Junior Championships 2020 | 21. - 23.02.2020 | Tomaszów Mazowiecki (POL) |
| 40.11 | 4 | 3. Junior World Cup 2019/2020 (Final) | 15. - 16.02.2020 | Minsk (BLR) |
| 41.60 | 5 | Youth Olympic Games 2020 | 12. - 16.01.2020 | St. Moritz (SUI) |
| 41.07 | 7 | Korean Sprint Championships 2020 | 26. - 27.12.2019 | Seoul (KOR) |
| 40.96 | 1 | Gyeonggi Selection | 12. - 13.12.2019 | Seoul (KOR) |
| 40.69 | 9 | 2. Junior World Cup 2019/2020 | 23. - 24.11.2019 | Enschede (NED) |
| 41.32 | 10 | 1. Junior World Cup 2019/2020 | 16. - 17.11.2019 | Bjugn (NOR) |
| 40.70 | 2 | 50th Presidents Cup | 06. - 08.11.2019 | Seoul (KOR) |
| 40.57 | 1 | Junior World Cup Qualifier | 23. - 25.10.2019 | Seoul (KOR) |
| 40.57 | 3 | Korean Single Distances Championships 2020 | 23. - 25.10.2019 | Seoul (KOR) |
| 40.57 | 1 | 2020 Youth Winter Olympics Selection | 23. - 25.10.2019 | Seoul (KOR) |
| 40.83 | 6 | 2019 Records Competition | 14. - 16.10.2019 | Seoul (KOR) |
| 39.99 | 17 | Fall Classic | 19. - 22.09.2019 | Calgary (CAN) |
| 40.37 | 11 | Fall Classic | 19. - 22.09.2019 | Calgary (CAN) |
| 39.84 | 1 | 54th National High School/Junior High School Championships | 27. - 29.03.2019 | Seoul (KOR) |
| 40.70 | 2 | 54th Memorial Competition | 16. - 17.03.2019 | Seoul (KOR) |
| 42.54 | 2 | 17th Korea-Japan Youth Winter Sports Exchange | 26.02.2019 | Seoul (KOR) |
| 40.87 | 2 | 100th National Winter Sports Festival | 20. - 22.02.2019 | Seoul (KOR) |
| 41.13 | 3 | South Korean Junior Sprint Championships 2019 | 15. - 17.01.2019 | Seoul (KOR) |
| 41.18 | 2 | 49th Presidents Cup | 03. - 04.01.2019 | Seoul (KOR) |
| 40.85 | 5 | Korean Sprint Championships 2019 | 27. - 28.12.2018 | Seoul (KOR) |
| 40.79 | 1 | Gyeonggi Province Selection | 13. - 14.12.2018 | Seoul (KOR) |
| 41.32 | 15 | 1. Junior World Cup 2018/2019 | 24. - 25.11.2018 | Tomaszów Mazowiecki (POL) |
| 40.83 | 6 | Korean Single Distances Championships 2019 | 24. - 26.10.2018 | Seoul (KOR) |
| 40.83 | 2 | Junior World Cup Qualifier | 24. - 26.10.2018 | Seoul (KOR) |
| 40.95 | 6 | 2018 Records Competition | 10. - 12.10.2018 | Seoul (KOR) |
| 40.97 | 6 | Fall Classic | 21. - 23.09.2018 | Calgary (CAN) |
| 41.36 | 12 | Fall Classic | 21. - 23.09.2018 | Calgary (CAN) |
| 40.74 | 3 | 53rd National High School/Junior High School Championships | 26. - 28.03.2018 | Seoul (KOR) |
| 41.22 | 3 | 53rd Memorial Competition | 17. - 18.03.2018 | Seoul (KOR) |
| 41.69 | 3 | 16th Japan-Korea Youth Exchange Competition | 16.02.2018 | Nagano (JPN) |
| 41.58 | 3 | 2018 National Speed Skating Championships | 25. - 27.01.2018 | Seoul (KOR) |
| 41.58 | 4 | Korean Junior Allround Championships 2018 | 25. - 27.01.2018 | Seoul (KOR) |
| 41.74 | 3 | 48th Presidents Cup | 03. - 04.01.2018 | Seoul (KOR) |
| 41.59 | 2 | 41st Gyeonggi Provincial Competition | 14. - 15.12.2017 | Seoul (KOR) |
| 42.08 | 2 | Gyeonggi Province Selection | 05. - 06.12.2017 | Seoul (KOR) |
| 41.75 | 8 | Junior World Cup Qualifier | 27. - 28.10.2017 | Seoul (KOR) |
| 42.03 | 10 | 1st Records Competition | 11. - 12.10.2017 | Seoul (KOR) |
| 42.74 | 4 | 52nd Memorial Competition | 18. - 19.03.2017 | Seoul (KOR) |
| 43.72 | 5 | 15th Korea-Japan Youth Exchange | 24.02.2017 | Seoul (KOR) |
| 42.97 | 4 | 2017 National Skating Championships | 23. - 25.01.2017 | Seoul (KOR) |
| 43.21 | 9 | Gyeonggi Province Preliminary Competition | 13. - 14.12.2016 | Seoul (KOR) |
| 43.35 | 5 | 51st Memorial Competition | 19. - 20.03.2016 | Seoul (KOR) |
| 44.70 | 5 | 2016 National Skating Championships | 20. - 22.01.2016 | Seoul (KOR) |
| 46.26 | 6 | 15th National Youth Competition | 15.11.2015 | Seoul (KOR) |
| 53.97 | 14 | 14th National Youth Competition | 06.12.2014 | Seoul (KOR) |