| 1:44.39 | 2 | Fall Classic | 22. - 24.09.2023 | Calgary (CAN) |
| 1:59.68 | 21 | Time Trials 1 | 16.09.2023 | Calgary (CAN) |
| 1:46.37 | 1 | 103rd National Winter Sports Festival | 24. - 26.02.2022 | Seoul (KOR) |
| 1:44.24 | 3 | Olympic Winter Games 2022 | 05. - 19.02.2022 | Beijing (CHN) |
| 1:48.02 | 1 | 2022 National Speed Skating Championships | 27. - 28.01.2022 | Seoul (KOR) |
| 1:43.05 | 12 | 3. World Cup 2021/2022 | 03. - 05.12.2021 | Salt Lake City (USA) |
| 1:45.63 | 3 | 2. World Cup 2021/2022 | 19. - 21.11.2021 | Stavanger (NOR) |
| 1:46.15 | 1 | 1. World Cup 2021/2022 | 12. - 14.11.2021 | Tomaszów Mazowiecki (POL) |
| 1:47.07 | 1 | South Korean Single Distance Championships 2022 | 15. - 17.09.2021 | Seoul (KOR) |
| 1:47.11 | 1 | 2021 Record Race | 10. - 11.09.2021 | Seoul (KOR) |
| 1:46.13 | 1 | 2021 National Men's And Women's Speed Skating Competition | 26. - 28.03.2021 | Seoul (KOR) |
| 1:47.18 | 1 | 56th Memorial Competition | 11. - 12.03.2021 | Seoul (KOR) |
| 1:47.13 | 1 | 2021 National Speed Skating Championships | 25. - 26.02.2021 | Seoul (KOR) |
| 1:48.90 | 1 | 51st President's Cup | 25. - 27.11.2020 | Seoul (KOR) |
| 1:45.97 | 7 | 6. World Cup 2019/2020 (Final) | 07. - 08.03.2020 | Heerenveen (NED) |
| 1:48.27 | 1 | 101st National Winter Sports Competition | 19. - 21.02.2020 | Seoul (KOR) |
| 1:44.22 | 15 | World Single Distances Championships 2020 | 13. - 16.02.2020 | Salt Lake City (USA) |
| 1:44.50 | 9 | 5. World Cup 2019/2020 | 07. - 08.02.2020 | Calgary (CAN) |
| 1:44.56 | 1 | Four Continents Speed Skating Championships | 31.01. - 02.02.2020 | Milwaukee (USA) |
| 1:46.41 | 8 | 3. World Cup 2019/2020 | 06. - 08.12.2019 | Astana (KAZ) |
| 1:47.92 | 13 | 2. World Cup 2019/2020 | 22. - 24.11.2019 | Tomaszów Mazowiecki (POL) |
| 1:46.68 | 4 | 1. World Cup 2019/2020 | 15. - 17.11.2019 | Minsk (BLR) |
| 1:48.69 | 1 | 50th Presidents Cup | 06. - 08.11.2019 | Seoul (KOR) |
| 1:49.42 | 1 | Korean Single Distances Championships 2020 | 23. - 25.10.2019 | Seoul (KOR) |
| 1:46.35 | 3 | Fall Classic | 19. - 22.09.2019 | Calgary (CAN) |
| 1:46.99 | 1 | 2019 Korean Skating Union Business Competition | 27. - 29.03.2019 | Seoul (KOR) |
| 1:42.54 | 5 | 6. World Cup 2018/2019 Final | 09. - 10.03.2019 | Salt Lake City (USA) |
| 1:47.95 | 1 | 100th National Winter Sports Festival | 20. - 22.02.2019 | Seoul (KOR) |
| 1:47.10 | 20 | World Single Distances Championships 2019 | 07. - 10.02.2019 | Inzell (GER) |
| 1:46.39 | 3 | 5. World Cup 2018/2019 | 01. - 03.02.2019 | Hamar (NOR) |
| 1:48.94 | 1 | 49th Presidents Cup | 03. - 04.01.2019 | Seoul (KOR) |
| 1:45.08 | 10 | 4. World Cup 2018/2019 | 14. - 16.12.2018 | Heerenveen (NED) |
| 1:47.85 | 3 | 3. World Cup 2018/2019 | 07. - 09.12.2018 | Tomaszów Mazowiecki (POL) |
| 1:49.52 | 8 | 2. World Cup 2018/2019 | 23. - 25.11.2018 | Tomakomai (JPN) |
| 1:45.82 | 6 | 1. World Cup 2018/2019 | 16. - 18.11.2018 | Obihiro (JPN) |
| 1:48.72 | 1 | Korean Single Distances Championships 2019 | 24. - 26.10.2018 | Seoul (KOR) |
| 1:46.51 | 2 | Fall Classic | 21. - 23.09.2018 | Calgary (CAN) |
| 1:47.88 | 1 | 2018 Korean Skating Union Business Competition | 26. - 28.03.2018 | Seoul (KOR) |
| 1:45.11 | 3 | World Junior Championships 2018 | 09. - 11.03.2018 | Salt Lake City (USA) |
| 1:45.11 | 3 | World Junior Championships 2018 | 09. - 11.03.2018 | Salt Lake City (USA) |
| 1:44.93 | 3 | Olympic Winter Games 2018 | 09. - 25.02.2018 | Gangneung (Kangnung) (KOR) |
| 1:47.79 | 1 | Korean Junior Allround Championships 2018 | 25. - 27.01.2018 | Seoul (KOR) |
| 1:48.47 | 1 | 99th National Winter Sports Festival | 12. - 14.01.2018 | Seoul (KOR) |
| 1:45.42 | 20 | 4. World Cup 2017/2018 | 08. - 10.12.2017 | Salt Lake City (USA) |
| 1:43.49 | 10 | 3. World Cup 2017/2018 | 01. - 03.12.2017 | Calgary (CAN) |
| 1:45.43 | 4 | 2. World Cup 2017/2018 | 17. - 19.11.2017 | Stavanger (NOR) |
| 1:44.97 | 1 | 1. World Cup 2017/2018 | 10. - 12.11.2017 | Heerenveen (NED) |
| 1:49.17 | 2 | Korean Single Distances Championships 2018 | 18. - 20.10.2017 | Seoul (KOR) |
| 1:44.61 | 1 | Fall Classic | 22. - 24.09.2017 | Calgary (CAN) |
| 1:49.34 | 1 | 52nd Memorial Competition | 18. - 19.03.2017 | Seoul (KOR) |
| 1:46.26 | 1 | 8th Asian Winter Games - Tag 3 | 20. - 23.02.2017 | Obihiro (JPN) |
| 1:46.05 | 5 | World Single Distances Championships 2017 | 09. - 12.02.2017 | Gangneung (Kangnung) (KOR) |
| 1:50.83 | 1 | 98th National Winter Sports Festival | 16. - 18.01.2017 | Seoul (KOR) |
| 1:48.45 | 1 | 47th Presidents Cup | 02. - 03.01.2017 | Seoul (KOR) |
| 1:50.03 | 1 | Winter Asian Games Qualifier | 27. - 29.12.2016 | Seoul (KOR) |
| 1:47.15 | 12 | 4. World Cup 2016/2017 | 09. - 11.12.2016 | Heerenveen (NED) |
| 1:46.98 | 6 | 3. World Cup 2016/2017 | 02. - 04.12.2016 | Astana (KAZ) |
| 1:47.62 | 12 | 2. World Cup 2016/2017 | 18. - 20.11.2016 | Nagano (JPN) |
| 1:49.66 | 16 | 1. World Cup 2016/2017 | 11. - 13.11.2016 | Harbin (CHN) |
| 1:50.41 | 1 | Korean Single Distances Championships 2017 | 26. - 28.10.2016 | Seoul (KOR) |
| 1:46.09 | 4 | Fall Classic | 23. - 25.09.2016 | Calgary (CAN) |
| 1:49.44 | 1 | 2016 National High School/Junior High School Championships | 26. - 27.03.2016 | Seoul (KOR) |
| 1:49.98 | 1 | 51st Memorial Competition | 19. - 20.03.2016 | Seoul (KOR) |
| 1:48.46 | 1 | World Junior Championships 2016 | 11. - 13.03.2016 | Changchun (CHN) |
| 1:48.46 | 1 | World Junior Championships 2016 | 11. - 13.03.2016 | Changchun (CHN) |
| 1:48.97 | 1 | 4. Junior World Cup (Final) 2015/2016 | 05. - 06.03.2016 | Changchun (CHN) |
| 1:51.35 | 1 | Youth Olympic Games | 13. - 19.02.2016 | Hamar (NOR) |
| 1:51.20 | 1 | 97th National Winter Sports Festival | 02. - 04.02.2016 | Seoul (KOR) |
| 1:52.27 | 1 | Korean Junior Allround Championships 2016 | 27. - 28.01.2016 | Seoul (KOR) |
| 1:50.75 | 1 | 2016 National Skating Championships | 20. - 22.01.2016 | Seoul (KOR) |
| 1:51.18 | 1 | 46th Presidents Cup | 04. - 05.01.2016 | Seoul (KOR) |
| NC | - | Korean Allround Championships 2016 | 22. - 23.12.2015 | Seoul (KOR) |
| 1:51.49 | 22 | 4. World Cup 2015/2016 | 11. - 13.12.2015 | Heerenveen (NED) |
| 1:49.17 | 11 | 3. World Cup 2015/2016 | 04. - 06.12.2015 | Inzell (GER) |
| 1:50.42 | 2 | 2. Junior World Cup 2015/2016 | 28. - 29.11.2015 | Berlin (GER) |
| 1:46.87 | 15 | 2. World Cup 2015/2016 | 20. - 22.11.2015 | Salt Lake City (USA) |
| DNF | - | 1. World Cup 2015/2016 | 13. - 15.11.2015 | Calgary (CAN) |
| 1:52.43 | 1 | 3rd Records Competition | 10. - 11.11.2015 | Seoul (KOR) |
| 1:51.31 | 1 | Korean Single Distances Championships 2016 | 28. - 30.10.2015 | Seoul (KOR) |
| 1:50.27 | 1 | 2015 National High School/Junior High School Championships | 20. - 21.03.2015 | Seoul (KOR) |
| 1:50.55 | 1 | 50th Memorial Competition | 14. - 15.03.2015 | Seoul (KOR) |
| 1:53.63 | 1 | 96th National Winter Sports Festival | 25. - 27.02.2015 | Seoul (KOR) |
| 1:53.26 | 2 | World Junior Championships 2015 | 20. - 22.02.2015 | Warszawa (POL) |
| 1:53.26 | 2 | World Junior Championships 2015 | 20. - 22.02.2015 | Warszawa (POL) |
| 1:54.13 | 2 | ISU Junior World Cup Final | 14. - 16.02.2015 | Warszawa (POL) |
| 1:51.26 | 1 | Korean Junior Allround Championships 2015 | 21. - 23.01.2015 | Seoul (KOR) |
| 1:51.92 | 4 | Korean Allround Championships 2015 | 23. - 24.12.2014 | Seoul (KOR) |
| 1:49.49 | 18 | 4. World Cup 2014/2015 | 12. - 14.12.2014 | Heerenveen (NED) |
| 1:50.43 | 17 | 3. World Cup 2014/2015 | 05. - 07.12.2014 | Berlin (GER) |
| 1:50.89 | 16 | 2. World Cup 2014/2015 | 21. - 23.11.2014 | Seoul (KOR) |
| 1:49.47 | 4 | 1. World Cup 2014/2015 | 14. - 16.11.2014 | Obihiro (JPN) |
| 1:51.56 | 2 | Korean Single Distances Championships 2014 | 29. - 31.10.2014 | Seoul (KOR) |
| 1:50.53 | 1 | 2nd Records Competition | 22. - 23.10.2014 | Seoul (KOR) |
| 1:47.46 | 3 | Fall Classic Long Track | 26. - 28.09.2014 | Calgary (CAN) |
| 1:54.89 | 3 | High School And Middle School Competitions | 13. - 14.03.2014 | Seoul (KOR) |
| 1:53.24 | 4 | World Junior Championships 2014 | 07. - 09.03.2014 | Bjugn (NOR) |
| 1:53.24 | 3 | World Junior Championships 2014 | 07. - 09.03.2014 | Bjugn (NOR) |
| 1:52.82 | 8 | 95th National Winter Sports Festival | 27.02. - 01.03.2014 | Seoul (KOR) |
| 1:53.18 | 1 | Korean Junior Championships 2014 | 27. - 29.01.2014 | Seoul (KOR) |
| 1:53.18 | 1 | 2014 National Skating Championships | 27. - 29.01.2014 | Seoul (KOR) |
| 1:54.66 | 1 | 37th Gyeonggi Province Championships | 20. - 21.01.2014 | Seoul (KOR) |
| 1:57.13 | 2 | 1. ISU Junior World Cup (Asian Regional Event) | 11. - 12.01.2014 | Tomakomai (JPN) |
| 1:55.01 | 5 | Gyeonggi Winter Sports Festival Qualifying Competition | 30. - 31.12.2013 | Seoul (KOR) |
| 1:54.27 | 2 | Korea – Japan Competition | 30.11. - 01.12.2013 | Obihiro (JPN) |
| 1:52.77 | 1 | Junior World Cup Selection | 13. - 14.11.2013 | Seoul (KOR) |
| 1:52.77 | 1 | Junior World Championships Selection | 13. - 14.11.2013 | Seoul (KOR) |
| 1:57.31 | 1 | 2013 National Allround Championships (sections) | 21. - 23.01.2013 | Seoul (KOR) |
| 1:56.62 | 3 | 48th Kyonggi-Do Province Competition (92rd National Winter Conference Selection) | 26. - 27.12.2012 | Seoul (KOR) |
| 1:56.50 | 1 | 48th National High School And Junior High School President Cup | 01. - 02.12.2012 | Seoul (KOR) |
| 2:03.04 | 1 | 2012 National Skating Championships | 07. - 09.02.2012 | Seoul (KOR) |
| 2:03.58 | 13 | 48th Kyonggi-Do Province Competition | 27. - 28.12.2011 | Seoul (KOR) |
| 2:03.63 | 1 | 11th National Youth Competition | 20.11.2011 | Seoul (KOR) |
