Park Chil-Sung (Korean: 박칠성; RR: Bak Chil-seong, Korean pronunciation: [pak̚.tɕʰil.s͈ʌŋ]; born 8 July 1982) is a South Korean race walker.

Year	Competition	Venue	Position	Event	Notes
Representing  South Korea
2003	Universiade	Daegu, South Korea	5th	20 km	1:24:45
2004	Olympic Games	Athens, Greece	41st	20 km	1:32:41
2005	Universiade	Izmir, Turkey	6th	20 km	1:27:24
2007	World Championships	Osaka, Japan	15th	20 km	1:26:08
	Universiade	Bangkok, Thailand	2nd	20 km	1:24:42
2008	Olympic Games	Beijing, China	33rd	20 km	1:25:07
2009	Universiade	Belgrade, Serbia	10th	20 km	1:24:16
	World Championships	Berlin, Germany	25th	20 km	1:24:01
	Asian Championships	Guangzhou, PR China	3rd	20 km	1:24:51
2010	Asian Games	Guangzhou, China	–	20 km	DQ
2011	World Championships	Daegu, South Korea	–	20 km	DNF
			6th	50 km	3:47:13
2012	Olympic Games	London, United Kingdom	–	20 km	DNF
			13th	50 km	3:45:55 (NR)
2014	Asian Games	Incheon, South Korea	2nd	50 km	3:49:15
2015	World Championships	Beijing, China	23rd	50 km	3:56:42[1]
2016	Olympic Games	Rio de Janeiro, Brazil	–	50 km	DQ
2017	World Championships	London, United Kingdom	29th	50 km	3:59:46
2018	Asian Games	Jakarta, Indonesia	–	50 km	DQ

• Park Chil-sung at World Athletics