Republic of Korea in Triathlon

2010 Summer Youth Olympics

Sprint, Boys Lee Ji-Hong 24
Sprint, Girls Kim Hee-Sun DNF

2012 Summer Olympics

Olympic Distance, Men Heo Min-Ho 54

2014 Summer Youth Olympics

Sprint, Boys Lee Gyu-Hyung 20
Sprint, Girls Kim Gyu-Ri 15

2018 Summer Youth Olympics

Sprint, Girls Lee Jeong-Won 19