Results for Republic of Korea in 20 kilometres Race Walk, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1988 Summer Olympics	Jeong Pil-Hwa	46
	Jeong Myeong-Oh	49
2000 Summer Olympics	Sin Il-Yong	30
2004 Summer Olympics	Sin Il-Yong	29
	Lee Dae-Ro	33
	Park Chil-Seong	41
2008 Summer Olympics	Kim Hyeon-Seop	23
	Park Chil-Seong	33
2012 Summer Olympics	Kim Hyeon-Seop	17
	Byeon Yeong-Jun	30
	Park Chil-Seong	DNF
2016 Summer Olympics	Kim Hyeon-Seop	17
	Choi Byeong-Gwang	57
	Byeon Yeong-Jun	61
2020 Summer Olympics	Choi Byeong-Gwang	37
2024 Summer Olympics	Choi Byeong-Gwang	42