Kento Ishii

Born
Aug 3, 2002 (24 years old)
Events
400 m · 200 m

Kento Ishii is a Japan sprinter, born on August 3, 2002. He competes primarily in the 100m, 200m and 400m.

His personal bests include 10.98 in the 100m, 22.11 in the 200m, 48.50 in the 400m, 3:14.16 in the 4x400m and 35.15 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.50
2024 season best49.11May 10, 2024 · Hamayama Park Athletic Field, Izumo
Personal best · 200 m22.11
Last competitionWest Japan Inter University Track&Field Championships, Hakatanomori Athletic Stadium, FukuokaJul 5, 2024 · 49.16

As of Nov 14, 2026: 400 m 48.50, 200 m 22.11, 2024 season best 49.11 (May 10, 2024, Hamayama Park Athletic Field, Izumo (JPN)) · Last competition: West Japan Inter University Track&Field Championships, Hakatanomori Athletic Stadium, Fukuoka, Jul 5, 2024, 49.16 · 24 years old

DisciplineResultAll-time
100mTakamatsu 2022Japan 100 m all-time list10.98*892 pts–
200mMarugame 2024Japan 200 m all-time list22.11910 pts–
400mGifu 2023Japan 400 m all-time list48.50949 pts–
4x400mIzumo 2024Japan 4 × 400 m all-time list3:14.16–
300mMarugame 202035.15889 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2024200m 22.11+1.7May 4, 2024Kagawa Athletics Championships
2024400m 49.11–May 10, 202478th Chugoku-shikoku intercollegiate track and field competition, Hamayama Park Athletic Field, Izumo
20244x400m 3:14.16–May 12, 202478th Chugoku-shikoku intercollegiate track and field competition, Hamayama Park Athletic Field, Izumo
2023400m 48.50–Jun 16, 202376th West Japan Inter-University Championships, Nagaragawa Stadium, Gifu
2022100m 10.98+2.2Sep 10, 2022Yashima Stadium, Takamatsu (JPN)
2022200m 22.31+1.1Jul 24, 2022Prefectural Stadium, Marugame (JPN)
2022400m 49.24–Oct 1, 2022Prefectural Stadium, Marugame (JPN)
2021100m 11.27+2.2Oct 23, 2021Prefectural Stadium, Marugame (JPN)
FAQ

Frequently asked questions

Kento Ishii's 400 m personal best is 48.50, set on Jun 16, 2023 in Nagaragawa Stadium, Gifu (JPN).

Kento Ishii competes in the 400 m and 200 m.

2024 season best: 49.11, set on May 10, 2024 in Hamayama Park Athletic Field, Izumo (JPN). Last competition: West Japan Inter University Track&Field Championships, Hakatanomori Athletic Stadium, Fukuoka on Jul 5, 2024, 49.16.