| 1:22.04 | 3 | 57th National University Speed Skating Competition | 15. - 17.03.2024 | Seoul (KOR) |
| 1:22.97 | 3 | 59th National Ice Skating Competition | 09. - 10.03.2024 | Seoul (KOR) |
| 1:22.70 | 5 | Korea - National Men's and Women's Championships 2024 | 24. - 25.02.2024 | Seoul (KOR) |
| 1:20.07 | 6 | ISU World Junior Speed Skating Championships 2024 | 09. - 11.02.2024 | Hachinohe (JPN) |
| 1:20.32 | 7 | 3. Junior World Cup 2023/2024 | 03. - 04.02.2024 | Hachinohe (JPN) |
| 1:20.19 | 1 | 105th National Winter Sports Festival | 11. - 13.01.2024 | Seoul (KOR) |
| 1:21.77 | 5 | Korea - Sprint Championships 2024 | 28. - 29.12.2023 | Seoul (KOR) |
| 1:21.20 | 1 | Korea - Junior Championships 2024 | 21. - 22.12.2023 | Seoul (KOR) |
| 1:21.20 | 1 | Korea - Junior Championships 2024 | 21. - 22.12.2023 | Seoul (KOR) |
| 1:21.94 | 4 | 2. Junior World Cup 2023/2024 | 02. - 03.12.2023 | Collalbo (ITA) |
| 1:22.50 | 12 | 1. Junior World Cup 2023/2024 | 25. - 26.11.2023 | Baselga di Pinè (ITA) |
| 1:21.86 | 2 | 105th National Winter Sports Competition Gyeonggi-do Preliminary Competition | 13. - 14.11.2023 | Seoul (KOR) |
| 1:20.78 | 2 | 54th President's Cup | 01. - 03.11.2023 | Seoul (KOR) |
| 1:22.71 | 8 | South Korean Single Distance Championships 2024 | 20. - 22.10.2023 | Seoul (KOR) |
| 1:22.71 | 2 | Selection Junior and Neo Senior World Cup | 20. - 22.10.2023 | Seoul (KOR) |
| 1:21.71 | 2 | 2023 Speed Skating Official Records Competition | 07. - 09.10.2023 | Seoul (KOR) |
| 1:20.63 | 2 | 56th National University Speed Skating Competition | 31.03. - 02.04.2023 | Seoul (KOR) |
| 1:21.35 | 1 | 58th National Ice Skating Competition | 18. - 19.03.2023 | Seoul (KOR) |
| 1:21.13 | 1 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 1:21.13 | 1 | Korea - National Men's and Women's Championships 2023 | 16. - 17.02.2023 | Seoul (KOR) |
| 1:20.70 | 17 | ISU World Junior Speed Skating Championships 2023 | 10. - 12.02.2023 | Inzell (GER) |
| 1:19.03 | 5 | 3. Junior World Cup 2022/2023 | 04. - 05.02.2023 | Inzell (GER) |
| 1:20.48 | 1 | 104th National Winter Sports Festival | 27. - 29.01.2023 | Seoul (KOR) |
| 1:21.55 | 1 | 2023 Seoul Skating Federation President Cup Competition | 12.01.2023 | Seoul (KOR) |
| 1:20.31 | 1 | Korea - Junior Championships 2023 | 05. - 06.01.2023 | Seoul (KOR) |
| 1:20.31 | 1 | Korea - Junior Championships 2023 | 05. - 06.01.2023 | Seoul (KOR) |
| 1:21.82 | 4 | Korea - Sprint Championships 2023 | 27. - 28.12.2022 | Seoul (KOR) |
| 1:22.85 | 1 | 2. Junior World Cup 2022/2023 | 03. - 04.12.2022 | Seinäjoki (FIN) |
| 1:23.27 | 4 | 1. Junior World Cup 2022/2023 | 26. - 27.11.2022 | Seinäjoki (FIN) |
| 1:22.16 | 2 | 53rd President's Cup | 04. - 06.11.2022 | Seoul (KOR) |
| 1:22.25 | 7 | South Korean Single Distance Championships 2023 | 19. - 21.10.2022 | Seoul (KOR) |
| 1:22.25 | 2 | ISU Speed Skating Junior World Cup Selection | 19. - 21.10.2022 | Seoul (KOR) |
| 1:22.86 | 10 | 2022 Speed Skating Official Records Competition | 05. - 07.10.2022 | Seoul (KOR) |
| 1:21.86 | 7 | Time Trial | 17.09.2022 | Calgary (CAN) |
| 1:22.12 | 3 | 57th National High School / Junior High School Competition | 01. - 03.04.2022 | Seoul (KOR) |
| 1:22.64 | 3 | 57th National Ice Skating Competition | 19. - 20.03.2022 | Seoul (KOR) |
| 1:22.16 | 4 | 103rd National Winter Sports Festival | 24. - 26.02.2022 | Seoul (KOR) |
| 1:22.00 | 11 | World Junior Speed Skating Championships 2022 | 28. - 30.01.2022 | Innsbruck (AUT) |
| 1:24.13 | 10 | 3. Junior World Cup | 22. - 23.01.2022 | Innsbruck (AUT) |
| 1:21.20 | 3 | Korea - Sprint Championships 2022 | 13. - 14.01.2022 | Seoul (KOR) |
| 1:22.91 | 6 | Korea - Junior Championships 2022 | 07. - 08.01.2022 | Seoul (KOR) |
| 1:22.91 | 2 | Korea - Junior Championships 2022 | 07. - 08.01.2022 | Seoul (KOR) |
| 1:20.02 | 11 | 2. Junior World Cup | 04. - 05.12.2021 | Inzell (GER) |
| 1:19.70 | 9 | 1. Junior World Cup | 27. - 28.11.2021 | Inzell (GER) |
| 1:23.60 | 7 | 52nd Presidents Cup | 11. - 13.11.2021 | Seoul (KOR) |
| DQ | - | South Korean Single Distance Championships 2022 | 15. - 17.09.2021 | Seoul (KOR) |
| DQ | - | 2021/22 ISU Junior World Cup Selection | 15. - 17.09.2021 | Seoul (KOR) |
| 1:21.23 | 4 | 2021 Record Race | 10. - 11.09.2021 | Seoul (KOR) |
| 1:23.43 | 5 | South Korean Junior Championships 2021 | 01. - 02.05.2021 | Seoul (KOR) |
| 1:23.43 | 3 | South Korean Junior Championships 2021 | 01. - 02.05.2021 | Seoul (KOR) |
| 1:24.22 | 11 | South Korean Sprint Championships 2021 | 24. - 25.04.2021 | Seoul (KOR) |
| 1:24.60 | 6 | South Korean Single Distance Championship 2021 | 09. - 11.04.2021 | Seoul (KOR) |
| 1:22.68 | 3 | 56th National High School And Junior High School Competition | 26. - 28.03.2021 | Seoul (KOR) |
| 1:25.05 | 9 | 56th Memorial Competition | 11. - 12.03.2021 | Seoul (KOR) |
| 1:24.74 | 7 | 2021 National Speed Skating Championships | 25. - 26.02.2021 | Seoul (KOR) |
| 1:24.93 | 6 | 51st President's Cup | 25. - 27.11.2020 | Seoul (KOR) |
| 1:24.84 | 2 | 101st National Winter Sports Competition | 19. - 21.02.2020 | Seoul (KOR) |
| 1:25.14 | 1 | 2020 Seoul Skating Association Cup | 17.01.2020 | Seoul (KOR) |
| 1:25.99 | 4 | South Korean Junior Allround Championships 2020 | 02. - 03.01.2020 | Seoul (KOR) |
| 1:25.50 | 4 | 50th Presidents Cup | 06. - 08.11.2019 | Seoul (KOR) |
| 1:26.14 | 7 | Junior World Cup Qualifier | 23. - 25.10.2019 | Seoul (KOR) |
| 1:26.32 | 6 | 2019 Records Competition | 14. - 16.10.2019 | Seoul (KOR) |
| 1:29.75 | 8 | 54th National High School/Junior High School Championships | 27. - 29.03.2019 | Seoul (KOR) |
| 1:31.54 | 12 | 54th Memorial Competition | 16. - 17.03.2019 | Seoul (KOR) |
| 1:33.19 | 8 | 100th National Winter Sports Festival | 20. - 22.02.2019 | Seoul (KOR) |
| 1:33.06 | 9 | 49th Presidents Cup | 03. - 04.01.2019 | Seoul (KOR) |
| 1:32.59 | 3 | Seoul Selection | 29.11.2018 | Seoul (KOR) |
| 1:42.46 | 22 | 2018 Records Competition | 10. - 12.10.2018 | Seoul (KOR) |
