| Kim Hyun-Sub KOR |
| Date of birth: 31 May 85 |
| Age: 35 years 214 days |
| Height: 175 cm |
| Weight: 53 kg |
| Place of birth: 金铉善 |
| Club/team: 삼성전자 |
| Name in Korean: 김현섭 |
| 20km Race Walk World Championships Bronze Medallist 2011 |
| 20km Race Walk World Championships finalist 2015 |
| 20km Race Walk World Championships finalist 2013 |
| 10,000m Race Walk World Junior Championships Bronze Medallist 2004 |
| 20km Race Walk Asian Games Silver Medallist 2006 |
| 20km Race Walk Asian Games Bronze Medallist 2014 |
| 20km Race Walk Asian Games Bronze Medallist 2010 |
| 20km Race Walk Asian Champion 2011 |
| 20km Race Walk Asian Championships Silver Medallist 2015 |
| 20km Race Walk Asian Championships Silver Medallist 2005 |
| 20km Race Walk World University Games Silver Medallist 2005 |
| 16 National Titles |
| 20km Race Walk World Alltime no. 94 1:19:13 Nomi 15 Mar 2015 |
| 10,000m Race Walk World Alltime no. 96 39:30.56 Goseong 1 Jul 2009 |
| 10km Race Walk World Alltime no. 11 38:13 Beijing 18 Sep 2010 |
Personal bests in BOLD.
| 10,000m Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2002 43:00.28 | -HS | Sangju | 22 Apr | ||||
| 2003 40:52.58 | 2-HS | Jeonju | 13 Oct | ||||
| 2004 40:59.24 | 3-19 | Grosseto | 17 Jul | ||||
| 2005 39:41.94 NR | 1 | Mokpo | 6 Apr | ||||
| 2007 39:31.51 | 3 | Andong | 22 May | ||||
| 2009 39:30.56 | 1 | Goseong | 1 Jul | ||||
| 2011 41:47.38 | 1 | Goseong | 21 Jun | ||||
| 10km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2004 42:04 | 8-19 | Naumburg | 1 May | ||||
| 2005 39:40 | 3 | Gyeonggi-Do | 11 Jun | ||||
| 2010 38:13 | 6 | Beijing | 18 Sep | ||||
| 2013 40:41 | 1 | Daejeon | 17 Apr | ||||
| 2014 42:24 | 1 | Yecheon | 24 Apr | ||||
| 20km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2004 1:24:58 | 3 | Cheongju | 10 Oct | ||||
| 2005 1:22:15 | 1 | Ulsan | 16 Oct | ||||
| 2006 1:21:45 | 1 | Kimchun | 22 Oct | ||||
| 2007 1:20:54 | 2 | Goyang | 1 May | ||||
| 2008 1:19:41 NR | 1 | Yeosu | 13 Oct | ||||
| 2009 1:22:00 | 5 | Beograd | 9 Jul | ||||
| 2010 1:19:36 NR | 1 | Jinju | 10 Oct | ||||
| 2011 1:19:31 NR | 1 | Nomi | 13 Mar | ||||
| 2012 1:21:36 | 17 | London | 4 Aug | ||||
| 2013 1:21:22 | 1 | Incheon | 22 Oct | ||||
| 2014 1:19:24 NR | 1 | Nomi | 16 Mar | ||||
| 2015 1:19:13 NR | 2 | Nomi | 15 Mar | ||||
| 2016 1:21:44 | 17 | Rio de Janeiro | 12 Aug | ||||
| 2017 1:19:50 | 2 | Nomi | 19 Mar | ||||
| 2018 1:21:52 | 3 | Nomi | 18 Mar | ||||
| 2019 1:21:01 | 12 | Nomi | 17 Mar | ||||
| 2020 1:26:17 | 2 | Yecheon | 20 Oct | ||||
| 50km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2016 4:01:06 | 25 | Dudince | 19 Mar | ||||
| Outdoor | |||
| 10,000m Race Walk | |||
| NG | 2002: | 7-HS | 44:18.94 |
| NG | 2003: | 2-HS | 40:52.58 |
| WJ | 2004: | 3-19 | 40:59.24 |
| 10km Race Walk | |||
| WCp | 2004: | 8-19 | 42:04 |
| 20km Race Walk | |||
| NG | 2004: | 3 | 1:24:58 |
| AsC | 2005: | 2 | 1:25:41 |
| EAsG | 2005: | 4 | 1:30:55 |
| NG | 2005: | 1 | 1:22:15 |
| WUG | 2005: | 2 | 1:24:42 |
| AsianG | 2006: | 2 | 1:23:12 |
| NG | 2006: | 1 | 1:21:45 |
| WCp | 2006: | 42 | 1:25:57 |
| NG | 2007: | 2 | 1:21:49 |
| WC | 2007: | 20 | 1:26:51 |
| WUG | 2007: | 6 | 1:27:20 |
| NG | 2008: | 1 | 1:19:41 |
| OG | 2008: | 23 | 1:22:57 |
| WCp | 2008: | 20 | 1:22:01 |
| EAsG | 2009: | 3 | 1:26:59 |
| NG | 2009: | 1 | 1:24:45 |
| WC | 2009: | 31 | 1:27:08 |
| WUG | 2009: | 5 | 1:22:00 |
| AsianG | 2010: | 3 | 1:22:47 |
| NG | 2010: | 1 | 1:19:36 |
| AsC | 2011: | 1 | 1:19:31 |
| NG | 2011: | 1 | 1:21:35 |
| WC | 2011: | 3 | 1:21:17 |
| NG | 2012: | 1 | 1:23:38 |
| OG | 2012: | 17 | 1:21:36 |
| NG | 2013: | 1 | 1:21:22 |
| WC | 2013: | 9 | 1:22:50 |
| AsianG | 2014: | 3 | 1:21:37 |
| NG | 2014: | 1 | 1:26:40 |
| WCp | 2014: | 17 | 1:20:39 |
| AsC | 2015: | 2 | 1:19:13 |
| NG | 2015: | 1 | 1:23:53 |
| WC | 2015: | 10 | 1:21:40 |
| NG | 2016: | 1 | 1:24:55 |
| OG | 2016: | 17 | 1:21:44 |
| WTC | 2016: | 43 | 1:23:51 |
| WC | 2017: | 26 | 1:22:08 |
| AsianG | 2018: | 4 | 1:27:17 |
| AsC | 2019: | 12 | 1:21:01 |
| WC | 2019: | 37 | 1:42:13 |
| 50km Race Walk | |||
| WCp | 2012: | DNF | |
| OG | 2016: | DNF | |
note:click on indoor/outdoor to see PB progression.
| 10,000m Race Walk | ||||||||
| Winstreak: 2 (finals) Show/hide | ||||||||
| Outdoor | 39:30.56 | Goseong | 1 Jul 2009 | |||||
| 10km Race Walk | ||||||||
| Winstreak: 2 (finals) Show/hide | ||||||||
| Outdoor | 38:13 | Beijing | 18 Sep 2010 | |||||
| 20km Race Walk | ||||||||
| races under 1:20:00: 6 | ||||||||
| Outdoor | 1:19:13 NR | Nomi | 15 Mar 2015 | |||||
| 50km Race Walk | ||||||||
| Outdoor | 4:01:06 | Dudince | 19 Mar 2016 | |||||
| 20km Race Walk, 10 best results (legal): | |||||||
| 1:19:13 | 2 | Nomi | 15 Mar 2015 | ||||
| 1:19:24 | 1 | Nomi | 16 Mar 2014 | ||||
| 1:19:31 | 1 | Nomi | 13 Mar 2011 | ||||
| 1:19:36 | 1 | Jinju | 10 Oct 2010 | ||||
| 1:19:41 | 1 | Yeosu | 13 Oct 2008 | ||||
| 1:19:50 | 2 | Nomi | 19 Mar 2017 | ||||
| 1:20:10 | 5 | Taicang | 22 Apr 2011 | ||||
| 1:20:39 | 1 | Kobe | 31 Jan 2010 | ||||
| 1:20:39 | 17 | Taicang | 4 May 2014 | ||||
| 1:20:54 | 2 | Goyang | 1 May 2007 | ||||
| Average: 1:19:57.7 | |||||||
| 10,000m Race Walk, 10 best results (legal): | |||||||
| 39:30.56 | 1 | Goseong | 1 Jul 2009 | ||||
| 39:31.51 | 3 | Andong | 22 May 2007 | ||||
| 39:41.94 | 1 | Mokpo | 6 Apr 2005 | ||||
| 40:52.58 | 2-HS | Jeonju | 13 Oct 2003 | ||||
| 40:59.24 | 3-19 | Grosseto | 17 Jul 2004 | ||||
| 41:47.38 | 1 | Goseong | 21 Jun 2011 | ||||
| 42:19.77 | 1-HS | Taebaek | 3 Aug 2003 | ||||
| 42:49.80 | 2-19 | Ipoh | 15 Jun 2004 | ||||
| 43:00.28 | -HS | Sangju | 22 Apr 2002 | ||||
| 43:18.66 | 1-HS | Taebaek | 26 Jul 2002 | ||||
| Average: 41:23.172 | |||||||
| 10,000m Race Walk: | 12 |
| 10km Race Walk: | 6 |
| 20km Race Walk: | 72 |
| 50km Race Walk: | 3 |
position in the world list in brackets following the season's best,
junior list position in green and youth list position in orange.
help: click on competition name or Venue to see competition results.
help: click on placing to see event results in the competition.
| Season | Ind/Out | Event | Pos | Result |
| 2002 | Outdoor | 10,000m Race Walk | 69 | 43:00.28 |
| 2003 | Outdoor | 10,000m Race Walk | 18 | 40:52.58 |
| 2004 | Outdoor | 10,000m Race Walk | 36 | 40:59.24 |
| 2004 | Outdoor | 10km Race Walk | 24 | 42:04 |
| 2005 | Outdoor | 10,000m Race Walk | 6 | 39:41.94 |
| 2005 | Outdoor | 10km Race Walk | 9 | 39:40 |
| 2005 | Outdoor | 20km Race Walk | 79 | 1:22:15 |
| 2006 | Outdoor | 20km Race Walk | 39 | 1:21:45 |
| 2007 | Outdoor | 10,000m Race Walk | 5 | 39:31.51 |
| 2007 | Outdoor | 20km Race Walk | 27 | 1:20:54 |
| 2008 | Outdoor | 20km Race Walk | 14 | 1:19:41 |
| 2009 | Outdoor | 10,000m Race Walk | 5 | 39:30.56 |
| 2009 | Outdoor | 20km Race Walk | 42 | 1:22:00 |
| 2010 | Outdoor | 10km Race Walk | 6 | 38:13 |
| 2010 | Outdoor | 20km Race Walk | 3 | 1:19:36 |
| 2011 | Outdoor | 10,000m Race Walk | 62 | 41:47.38 |
| 2011 | Outdoor | 20km Race Walk | 4 | 1:19:31 |
| 2012 | Outdoor | 20km Race Walk | 52 | 1:21:36 |
| 2013 | Outdoor | 10km Race Walk | 11 | 40:41 |
| 2013 | Outdoor | 20km Race Walk | 42 | 1:21:22 |
| 2014 | Outdoor | 20km Race Walk | 7 | 1:19:24 |
| 2015 | Outdoor | 20km Race Walk | 9 | 1:19:13 |
| 2016 | Outdoor | 20km Race Walk | 68 | 1:21:44 |
| 2016 | Outdoor | 50km Race Walk | 93 | 4:01:06 |
| 2017 | Outdoor | 20km Race Walk | 19 | 1:19:50 |
| 2018 | Outdoor | 20km Race Walk | 56 | 1:21:52 |
| 2019 | Outdoor | 20km Race Walk | 60 | 1:21:01 |