He is the 2024 Summer Olympics bronze medalist in the Men's 400m Freestyle.

In July 2021, he represented South Korea at the 2020 Summer Olympics held in Tokyo, Japan.

The team did not advance to compete in the final.

[3][4] Kim made a mark in 2024 when he won the 400m freestyle with a time of 3:42.71 to become the second Korean to win the event after Park Tae-hwan won it twice in 2007 and 2011.

This biographical article related to a South Korean swimmer is a stub.