| 35.69 | 15 | ISU Four Continents Speed Skating Championships 2025 | 15. - 17.11.2024 | Hachinohe (JPN) |
| 35.95 | 1 | 55th President's Cup | 08. - 10.11.2024 | Seoul (KOR) |
| 35.50 | 3 | Korea - Single Distances Championships 2025 | 22. - 24.10.2024 | Seoul (KOR) |
| 36.19 | 6 | 2024 Speed Skating Official Records Competition | 09. - 11.10.2024 | Seoul (KOR) |
| 35.74 | 10 | Fall Classic | 20. - 22.09.2024 | Calgary (CAN) |
| 36.13 | 1 | 57th National University Speed Skating Competition | 15. - 17.03.2024 | Seoul (KOR) |
| 34.89 | 7 | ISU World Speed Skating Championships 2024 | 07. - 10.03.2024 | Inzell (GER) |
| 35.55 | 1 | ISU World Junior Speed Skating Championships 2024 | 09. - 11.02.2024 | Hachinohe (JPN) |
| 35.54 | 2 | 3. Junior World Cup 2023/2024 | 03. - 04.02.2024 | Hachinohe (JPN) |
| 35.32 | 1 | 105th National Winter Sports Festival | 11. - 13.01.2024 | Seoul (KOR) |
| 35.79 | 4 | Korea - Sprint Championships 2024 | 28. - 29.12.2023 | Seoul (KOR) |
| 36.18 | 1 | Korea - Junior Championships 2024 | 21. - 22.12.2023 | Seoul (KOR) |
| 35.80 | 2 | 2. Junior World Cup 2023/2024 | 02. - 03.12.2023 | Collalbo (ITA) |
| 36.26 | 5 | 1. Junior World Cup 2023/2024 | 25. - 26.11.2023 | Baselga di Pinè (ITA) |
| 35.91 | 1 | 105th National Winter Sports Competition Gyeonggi-do Preliminary Competition | 13. - 14.11.2023 | Seoul (KOR) |
| 35.51 | 1 | 54th President's Cup | 01. - 03.11.2023 | Seoul (KOR) |
| 35.72 | 6 | South Korean Single Distance Championships 2024 | 20. - 22.10.2023 | Seoul (KOR) |
| 35.72 | 2 | Selection Junior and Neo Senior World Cup | 20. - 22.10.2023 | Seoul (KOR) |
| 35.36 | 5 | Fall Classic | 22. - 24.09.2023 | Calgary (CAN) |
| 35.55 | 10 | Fall Classic | 22. - 24.09.2023 | Calgary (CAN) |
| 37.23 | 20 | Time Trials 1 | 16.09.2023 | Calgary (CAN) |
| 36.09 | 1 | 58th National Junior High and High School Competition | 31.03. - 02.04.2023 | Seoul (KOR) |
| 36.41 | 1 | 58th National Ice Skating Competition | 18. - 19.03.2023 | Seoul (KOR) |
| 36.79 | 16 | ISU World Junior Speed Skating Championships 2023 | 10. - 12.02.2023 | Inzell (GER) |
| 36.26 | 7 | 3. Junior World Cup 2022/2023 | 04. - 05.02.2023 | Inzell (GER) |
| 1:12.90 | 15 | 104th National Winter Sports Festival | 27. - 29.01.2023 | Seoul (KOR) |
| 36.14 | 1 | Korea - Junior Championships 2023 | 05. - 06.01.2023 | Seoul (KOR) |
| 36.37 | 9 | Korea - Sprint Championships 2023 | 27. - 28.12.2022 | Seoul (KOR) |
| 36.84 | 1 | 8th Chairman’s Cup Competition / 104th National Winter Sports Festival Gyeonggi selecion | 20. - 21.12.2022 | Seoul (KOR) |
| 37.48 | 3 | 2. Junior World Cup 2022/2023 | 03. - 04.12.2022 | Seinäjoki (FIN) |
| 37.52 | 6 | 1. Junior World Cup 2022/2023 | 26. - 27.11.2022 | Seinäjoki (FIN) |
| 36.24 | 1 | 53rd President's Cup | 04. - 06.11.2022 | Seoul (KOR) |
| 36.14 | 4 | South Korean Single Distance Championships 2023 | 19. - 21.10.2022 | Seoul (KOR) |
| 36.14 | 1 | ISU Speed Skating Junior World Cup Selection | 19. - 21.10.2022 | Seoul (KOR) |
| 36.74 | 1 | 57th National High School / Junior High School Competition | 01. - 03.04.2022 | Seoul (KOR) |
| 36.44 | 1 | 57th National Ice Skating Competition | 19. - 20.03.2022 | Seoul (KOR) |
| 37.46 | 5 | 103rd National Winter Sports Festival | 24. - 26.02.2022 | Seoul (KOR) |
| 37.02 | 3 | Korea - Junior Championships 2022 | 07. - 08.01.2022 | Seoul (KOR) |
| 37.79 | 1 | 103rd National Winter Sports Festival Gyeonggi Preliminary Competition | 10. - 11.12.2021 | Seoul (KOR) |
| 37.44 | 5 | 2021/22 ISU Junior World Cup Selection | 15. - 17.09.2021 | Seoul (KOR) |
| 37.26 | 18 | 2021 Record Race | 10. - 11.09.2021 | Seoul (KOR) |
| 38.18 | 21 | South Korean Sprint Championships 2021 | 24. - 25.04.2021 | Seoul (KOR) |
| 37.67 | 18 | South Korean Single Distance Championship 2021 | 09. - 11.04.2021 | Seoul (KOR) |
| 37.59 | 3 | 56th National High School And Junior High School Competition | 26. - 28.03.2021 | Seoul (KOR) |
| 37.68 | 2 | 44th Gyeonggi Competition | 17. - 18.03.2021 | Seoul (KOR) |
| 37.22 | 2 | 56th Memorial Competition | 11. - 12.03.2021 | Seoul (KOR) |
| 1:14.21 | 14 | 51st President's Cup | 25. - 27.11.2020 | Seoul (KOR) |
| 38.15 | 2 | 101st National Winter Sports Competition | 19. - 21.02.2020 | Seoul (KOR) |
| 38.77 | 1 | 43rd Gyeonggi Championships | 15. - 16.01.2020 | Seoul (KOR) |
| 38.28 | 1 | Gyeonggi Selection | 12. - 13.12.2019 | Seoul (KOR) |
| 38.13 | 2 | 50th Presidents Cup | 06. - 08.11.2019 | Seoul (KOR) |
| 38.31 | 12 | Junior World Cup Qualifier | 23. - 25.10.2019 | Seoul (KOR) |
| 38.48 | 18 | 2019 Records Competition | 14. - 16.10.2019 | Seoul (KOR) |
| 38.93 | 2 | 54th National High School/Junior High School Championships | 27. - 29.03.2019 | Seoul (KOR) |
| 39.04 | 2 | 54th Memorial Competition | 16. - 17.03.2019 | Seoul (KOR) |
| 39.64 | 6 | 100th National Winter Sports Festival | 20. - 22.02.2019 | Seoul (KOR) |
| 39.54 | 3 | Gyeonggi Province Selection | 23. - 24.01.2019 | Seoul (KOR) |
| 39.38 | 3 | 17th Japan-Korea Youth Winter Sports Exchange Competition | 10.01.2019 | Nagano (JPN) |
| 39.95 | 7 | 49th Presidents Cup | 03. - 04.01.2019 | Seoul (KOR) |
| 39.34 | 2 | Gyeonggi Province Selection | 13. - 14.12.2018 | Seoul (KOR) |
| 40.22 | 30 | 2018 Records Competition | 10. - 12.10.2018 | Seoul (KOR) |
| 41.33 | 10 | 53rd National High School/Junior High School Championships | 26. - 28.03.2018 | Seoul (KOR) |
| 41.85 | 9 | 53rd Memorial Competition | 17. - 18.03.2018 | Seoul (KOR) |
| 41.21 | 1 | 2018 National Speed Skating Championships | 25. - 27.01.2018 | Seoul (KOR) |
| 41.23 | 1 | Korean Youth Single Distance Championships 2018 | 03.12.2017 | Seoul (KOR) |
| 41.35 | 37 | 1st Records Competition | 11. - 12.10.2017 | Seoul (KOR) |
| 44.66 | 10 | 2016 National Skating Championships | 20. - 22.01.2016 | Seoul (KOR) |
| 45.82 | 10 | 15th National Youth Competition | 15.11.2015 | Seoul (KOR) |