| Park Chil-Sung KOR |
| Date of birth: 8 July 82 |
| Age: 38 years 176 days |
| Height: 173 cm |
| Weight: 61 kg |
| Place of birth: 朴秋生 |
| Club/team: 삼성전자 |
| Name in Korean: 박칠성 |
| 50km Race Walk 6th at World Championships 2011 |
| 50km Race Walk Olympic finalist 2012 |
| 50km Race Walk Asian Games Silver Medallist 2014 |
| 20km Race Walk Asian Championships Bronze Medallist 2009 |
| 20km Race Walk Asian Championships Bronze Medallist 2009 |
| 20km Race Walk World University Games Silver Medallist 2007 |
| 2 National Titles |
| 20km Race Walk World Alltime no. 221 1:20:17 Yeosu 13 Oct 2008 |
| 50km Race Walk World Alltime no. 145 3:45:55 London 11 Aug 2012 |
| 10,000m Race Walk World Alltime no. 83 39:25.58 Andong 22 May 2007 |
| 10km Race Walk World Alltime no. 22 38:42 Beijing 18 Sep 2010 |
Personal bests in BOLD.
| 10,000m Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2005 41:07.28 | 3 | Mokpo | 6 Apr | ||||
| 2006 41:47.40 | 1 | Andong | 15 Jun | ||||
| 2007 39:25.58 | 2 | Andong | 22 May | ||||
| 2009 39:38.81 | 2 | Goseong | 1 Jul | ||||
| 2010 42:44.25 | 1 | Kosung | 30 Jun | ||||
| 2011 41:51.44 | 2 | Goseong | 21 Jun | ||||
| 10km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2005 39:48 | 4 | Gyeonggi-Do | 11 Jun | ||||
| 2010 38:42 | 10 | Beijing | 18 Sep | ||||
| 20km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2002 1:35:53 | 1-Coll | Kimchun | 3 May | ||||
| 2003 1:22:38 | 2 | Daejeon | 5 Jun | ||||
| 2004 1:25:50 | 4 | Cheongju | 10 Oct | ||||
| 2005 1:22:23 | 1 | Koyang | 13 Nov | ||||
| 2006 1:22:14 | 2 | Dudince | 25 Mar | ||||
| 2007 1:20:20 NR | 1 | Goyang | 1 May | ||||
| 2008 1:20:17 | 2 | Yeosu | 13 Oct | ||||
| 2009 1:20:45 | 3 | Nomi | 15 Mar | ||||
| 2010 1:24:14 | 2 | Jinju | 10 Oct | ||||
| 2011 1:22:28 | 4 | Nomi | 13 Mar | ||||
| 2012 1:26:26 | 3 | Daejeon | 9 Jun | ||||
| 2013 1:28:56 | 4 | Incheon | 22 Oct | ||||
| 2014 1:22:16 | 9 | Nomi | 16 Mar | ||||
| 2015 1:23:38 | 17 | Nomi | 15 Mar | ||||
| 2016 1:27:29 | 5 | Asan | 11 Oct | ||||
| 2017 1:26:09 | 3 | Gongju | 24 Oct | ||||
| 2018 1:25:41 | 16 | Nomi | 18 Mar | ||||
| 50km Race Walk | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2009 3:56:45 NR | 4 | Wajima | 12 Apr | ||||
| 2011 3:47:13 NR | 6 | Daegu | 3 Sep | ||||
| 2012 3:45:55 NR | 10 | London | 11 Aug | ||||
| 2013 3:54:13 | 3 | Wajima | 21 Apr | ||||
| 2014 3:49:15 | 2 | Incheon | 1 Oct | ||||
| 2015 3:56:42 | 23 | Beijing | 29 Aug | ||||
| 2016 3:52:26 | 12 | Dudince | 19 Mar | ||||
| 2017 3:59:46 | 29 | London | 13 Aug | ||||
| Outdoor | |||||
| 20km Race Walk | |||||
| NG | 2003: | 2 | 1:26:55 | ||
| WUG | 2003: | 5 | 1:24:45.00 | ||
| NG | 2004: | 4 | 1:25:50 | ||
| OG | 2004: | 41 | 1:32:41 | ||
| WCp | 2004: | 76 | 1:30:05 | ||
| NG | 2005: | 3 | 1:22:32 | ||
| WUG | 2005: | 6 | 1:27:24 | ||
| WCp | 2006: | 41 | 1:25:54 | ||
| NG | 2007: | 4 | 1:25:06 | ||
| WC | 2007: | 15 | 1:26:08 | ||
| WUG | 2007: | 2 | 1:24:42 | ||
| NG | 2008: | 2 | 1:20:17 | ||
| OG | 2008: | 33 | 1:25:07 | ||
| WCp | 2008: | 21 | 1:22:02 | ||
| AsC | 2009: | 3 | 1:20:45 | 3 | 1:24:51 |
| NG | 2009: | 2 | 1:24:56 | ||
| WC | 2009: | 24 | 1:24:01 | ||
| WUG | 2009: | 10 | 1:24:16 | ||
| AsianG | 2010: | DQ | |||
| NG | 2010: | 2 | 1:24:14 | ||
| AsC | 2011: | 4 | 1:22:28 | ||
| NG | 2011: | 2 | 1:25:23 | ||
| WC | 2011: | DNF | |||
| NG | 2012: | 7 | 1:27:14 | ||
| OG | 2012: | DNF | |||
| NG | 2013: | 4 | 1:28:56 | ||
| NG | 2014: | 5 | 1:27:37 | ||
| NG | 2015: | 5 | 1:27:03 | ||
| NG | 2016: | 5 | 1:27:29 | ||
| WTC | 2016: | 76 | 1:28:32 | ||
| 50km Race Walk | |||||
| WC | 2011: | 6 | 3:47:13 | ||
| OG | 2012: | 10 | 3:45:55 | ||
| WCp | 2012: | 18 | 3:55:24 | ||
| AsianG | 2014: | 2 | 3:49:15 | ||
| WCp | 2014: | 22 | 3:56:39 | ||
| WC | 2015: | 23 | 3:56:42 | ||
| OG | 2016: | DQ | |||
| WC | 2017: | 29 | 3:59:46 | ||
| AsianG | 2018: | DQ | |||
| WTC | 2018: | DQ | |||
note:click on indoor/outdoor to see PB progression.
| 10,000m Race Walk | ||||||||
| Outdoor | 39:25.58 | Andong | 22 May 2007 | |||||
| 10km Race Walk | ||||||||
| Outdoor | 38:42 | Beijing | 18 Sep 2010 | |||||
| 20km Race Walk | ||||||||
| Outdoor | 1:20:17 | Yeosu | 13 Oct 2008 | |||||
| 50km Race Walk | ||||||||
| Outdoor | 3:45:55 NR | London | 11 Aug 2012 | |||||
| 20km Race Walk, 10 best results (legal): | |||||||
| 1:20:17 | 2 | Yeosu | 13 Oct 2008 | ||||
| 1:20:20 | 1 | Goyang | 1 May 2007 | ||||
| 1:20:45 | 3 | Nomi | 15 Mar 2009 | ||||
| 1:22:02 | 21 | Cheboksary | 10 May 2008 | ||||
| 1:22:09 | 14 | Shenzen | 24 Mar 2007 | ||||
| 1:22:14 | 2 | Dudince | 25 Mar 2006 | ||||
| 1:22:16 | 9 | Nomi | 16 Mar 2014 | ||||
| 1:22:23 | 1 | Koyang | 13 Nov 2005 | ||||
| 1:22:28 | 4 | Nomi | 13 Mar 2011 | ||||
| 1:22:31 | 8 | Kraków | 23 Jun 2007 | ||||
| Average: 1:21:44.5 | |||||||
| 50km Race Walk, 10 best results (legal): | |||||||
| 3:45:55 | 10 | London | 11 Aug 2012 | ||||
| 3:47:13 | 6 | Daegu | 3 Sep 2011 | ||||
| 3:49:15 | 2 | Incheon | 1 Oct 2014 | ||||
| 3:50:11 | 4 | Taicang | 24 Apr 2011 | ||||
| 3:52:26 | 12 | Dudince | 19 Mar 2016 | ||||
| 3:54:13 | 3 | Wajima | 21 Apr 2013 | ||||
| 3:55:24 | 18 | Saransk | 13 May 2012 | ||||
| 3:56:39 | 22 | Taicang | 3 May 2014 | ||||
| 3:56:42 | 23 | Beijing | 29 Aug 2015 | ||||
| 3:56:45 | 4 | Wajima | 12 Apr 2009 | ||||
| Average: 3:52:28.299999999999 | |||||||
| 10,000m Race Walk: | 6 |
| 10km Race Walk: | 2 |
| 20km Race Walk: | 61 |
| 50km Race Walk: | 15 |
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.
| No results during 2020. Last results for this athlete are from 2018. |
| Season | Ind/Out | Event | Pos | Result |
| 2003 | Outdoor | 20km Race Walk | 60 | 1:22:38 |
| 2005 | Outdoor | 10,000m Race Walk | 30 | 41:07.28 |
| 2005 | Outdoor | 10km Race Walk | 11 | 39:48 |
| 2005 | Outdoor | 20km Race Walk | 86 | 1:22:23 |
| 2006 | Outdoor | 10,000m Race Walk | 60 | 41:47.40 |
| 2006 | Outdoor | 20km Race Walk | 46 | 1:22:14 |
| 2007 | Outdoor | 10,000m Race Walk | 4 | 39:25.58 |
| 2007 | Outdoor | 20km Race Walk | 20 | 1:20:20 |
| 2008 | Outdoor | 20km Race Walk | 23 | 1:20:17 |
| 2009 | Outdoor | 10,000m Race Walk | 6 | 39:38.81 |
| 2009 | Outdoor | 20km Race Walk | 17 | 1:20:45 |
| 2009 | Outdoor | 50km Race Walk | 46 | 3:56:45 |
| 2010 | Outdoor | 10,000m Race Walk | 100 | 42:44.25 |
| 2010 | Outdoor | 10km Race Walk | 10 | 38:42 |
| 2010 | Outdoor | 20km Race Walk | 89 | 1:24:14 |
| 2011 | Outdoor | 10,000m Race Walk | 66 | 41:51.44 |
| 2011 | Outdoor | 20km Race Walk | 55 | 1:22:28 |
| 2011 | Outdoor | 50km Race Walk | 16 | 3:47:13 |
| 2012 | Outdoor | 50km Race Walk | 15 | 3:45:55 |
| 2013 | Outdoor | 50km Race Walk | 40 | 3:54:13 |
| 2014 | Outdoor | 20km Race Walk | 70 | 1:22:16 |
| 2014 | Outdoor | 50km Race Walk | 26 | 3:49:15 |
| 2015 | Outdoor | 50km Race Walk | 66 | 3:56:42 |
| 2016 | Outdoor | 50km Race Walk | 45 | 3:52:26 |
| 2017 | Outdoor | 50km Race Walk | 65 | 3:59:46 |