Ji-woo Choi

South KoreaSouth KoreaActive
Born
Feb 2, 2009 (17 years old)
Events
400 m

Ji-woo Choi is a South Korea sprinter, born on February 2, 2009. She competes primarily in the 200m, 400m and 800m.

Her personal bests include 24.99 in the 200m, 55.81 in the 400m, 2:15.63 in the 800m, 3:47.90 in the 4x400m and 3:30.61 in the 4x400Metre. She is currently active on the international athletics circuit, representing South Korea.

Personal best · 400 m55.81
2026 season best55.81Jun 7, 2026 · Miryang Sports Complexs, Miryang
2026 season best
Last competitionThe 34th Japan-Korea-China Junior Exchange Games, Saga TournamentAug 25, 2026 · 56.87
The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament

As of Nov 6, 2026: 400 m 55.81, 2026 season best 55.81 (Jun 7, 2026, Miryang Sports Complexs, Miryang (KOR)) · Last competition: The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament, Aug 25, 2026, 56.87 · 17 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
200mMokpo 2026South Korea 200 m all-time list24.99943 pts–
400mMiryang 2026South Korea 400 m all-time list55.81984 pts–
800mYecheon 2025South Korea 800 m all-time list2:15.63900 pts–
4x400mBusan 2025South Korea 4 × 400 m all-time list3:47.90–
4x400MetreBusan 20253:30.61–

Progression

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FAQ

Frequently asked questions

Ji-woo Choi's 400 m personal best is 55.81, set on Jun 7, 2026 in Miryang Sports Complexs, Miryang (KOR).

Ji-woo Choi competes in the 400 m.

2026 season best: 55.81, set on Jun 7, 2026 in Miryang Sports Complexs, Miryang (KOR). Last competition: The 34th Japan-Korea-China Junior Exchange Games, Saga Tournament on Aug 25, 2026, 56.87.