|South Korean swimmer Kim Seo-yeong on Tuesday competes in the women's 400-meter medley. (Yonhap)|
Kim clocked a time of 4 minutes, 37.43 seconds at the Aquatic Center at Gelora Bung Karno Sports Complex in Jakarta to finish second among eight contestants. Japan's Yui Ohasi took gold at 4:34.58, while her compatriot Sakiko Shimizu earned bronze at 4:39.10.
Kim, whose personal best is 4:35.93, is the first South Korean swimmer to take silver at Jakarta-Palembang 2018. South Korea had two bronzes prior to Kim's silver medal.
The 24-year-old reached the finals by finishing third in her heat with a time of 4:48.59.
Medley combines four different swimming styles -- butterfly, backstroke, breaststroke, and freestyle.