Ji-woong Yu

Born
Apr 15, 2006 (20 years old)
Events
400 m · 100 m

Ji-woong Yu is a South Korea sprinter, born on April 15, 2006. He competes primarily in the 100m, 200m and 400m.

His personal bests include 11.11 in the 100m, 22.75 in the 200m, 48.92 in the 400m, 42.18 in the 4x100m and 3:14.37 in the 4x400m. He is currently active on the international athletics circuit, representing South Korea.

Personal best · 400 m48.92
2026 season best10.83Jul 4, 2026 · Mokpo Sports Complex, Mokpo
Personal best · 100 m11.11
Last competitionBeak-Je Wangdo Iksan National Athletics MeetingJul 4, 2026 · 10.83

As of Nov 15, 2026: 400 m 48.92, 100 m 11.11, 2026 season best 10.83 (Jul 4, 2026, Mokpo Sports Complex, Mokpo (KOR)) · Last competition: Beak-Je Wangdo Iksan National Athletics Meeting, Jul 4, 2026, 10.83 · 20 years old

DisciplineResultAll-time
100mMokpo 2026South Korea 100 m all-time list11.11854 pts–
200mBoeun 2024South Korea 200 m all-time list22.75825 pts–
400mMokpo 2023South Korea 400 m all-time list48.92923 pts–
4x100mMiryang 2025South Korea 4 × 100 m all-time list42.18–
4x400mMokpo 2023South Korea 4 × 400 m all-time list3:14.37–
4x400MetreMokpo 20233:31.10–

Progression

FAQ

Frequently asked questions

Ji-woong Yu's 400 m personal best is 48.92, set on Aug 21, 2023 in Mokpo (KOR).

Ji-woong Yu competes in the 400 m and 100 m.

2026 season best: 10.83, set on Jul 4, 2026 in Mokpo Sports Complex, Mokpo (KOR). Last competition: Beak-Je Wangdo Iksan National Athletics Meeting on Jul 4, 2026, 10.83.