Ko OI | Profile | World Athletics

Ko OI

200m

400m

300m

100m

Japan

Born22 MAR 2005 (21)

Ko's code14958650

Personal bests

Result

40.53

Date

05 SEP 2026

Score

1037

Competition & venue

International Stadium, Yokohama (JPN)

Result

3:14.11

Date

21 JUN 2026

Score

988

Competition & venue

Athletic Field, Kitakami (JPN)

Result

22.02

Date

20 JUN 2026

Score

930

Result

10.95 *

Date

09 AUG 2025

Score

883

Result

49.67

Date

16 JUL 2022

Score

878

Competition & venue

Municipal Stadium, Obihiro (JPN)

* Not legal

Season’s bests (2026)

* Not legal

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