Ko OI | Profile | World Athletics

Ko OI

400m

300m

100m

200m

Japan

Born22 MAR 2005

Ko's code14958650

Personal bests

Result

10.95 *

Date

09 AUG 2025

Score

883

Result

49.67

Date

16 JUL 2022

Score

878

Competition & venue

Municipal Stadium, Obihiro (JPN)

Result

35.42

Date

22 OCT 2022

Score

868

Competition & venue

Municipal Stadium, Obihiro (JPN)

Result

11.18

Date

12 JUL 2025

Score

844

Result

22.76

Date

07 AUG 2021

Score

826

* Not legal

Season’s bests (2025)

* Not legal

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