Ai Kimura

Born
Aug 6, 2003 (23 years old)
Events
400 m · Long Jump

Ai Kimura is a Japan sprinter, born on August 6, 2003. She competes primarily in the 100m, 400m and 4x100m.

Her personal bests include 12.72 in the 100m, 57.81 in the 400m, 48.03 in the 4x100m, 5.43 in the LJ and 10.69 in the TJ. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m57.81
2025 season best5.43Apr 19, 2025 · Nihon University Stadium, Tokyo
Personal best · Long Jump5.43
Last competitionThe 104th Kanto Inter-University Track&Field Championships, Gion Stadium, SagamiharaMay 8, 2025 · 48.03

As of Nov 14, 2026: 400 m 57.81, Long Jump 5.43, 2025 season best 5.43 (Apr 19, 2025, Nihon University Stadium, Tokyo (JPN)) · Last competition: The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara, May 8, 2025, 48.03 · 23 years old

DisciplineResultAll-time
100mAgeo 2021Japan 100 m all-time list12.72854 pts–
400mAgeo 2021Japan 400 m all-time list57.81912 pts–
4x100mSagamihara 2025Japan 4 × 100 m all-time list48.03–
LJTokyo 2025Japan Long Jump all-time list5.43876 pts–
TJSagamihara 2023Japan Triple Jump all-time list10.69783 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025LJ 5.43+1.4Apr 19, 2025The 2nd Nihon University Competition, Nihon University Stadium, Tokyo
20254x100m 48.03–May 8, 2025The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara
2023LJ 5.33+1.2Sep 22, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
2023TJ 10.69+0.7Sep 23, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
2022LJ 5.34+0.5Aug 24, 2022Prefectural Stadium, Kumagaya (JPN)
2022400m 59.50–Sep 17, 2022Gion Stadium, Sagamihara (JPN)
2021LJ 5.39+1.0Apr 25, 2021Athletic Park, Ageo (JPN)
2021100m 12.72-0.2Apr 25, 2021Athletic Park, Ageo (JPN)
FAQ

Frequently asked questions

Ai Kimura's 400 m personal best is 57.81, set on Jul 17, 2021 in Athletic Park, Ageo (JPN).

Ai Kimura competes in the 400 m and Long Jump.

2025 season best: 5.43, set on Apr 19, 2025 in Nihon University Stadium, Tokyo (JPN). Last competition: The 104th Kanto Inter-University Track&Field Championships, Gion Stadium, Sagamihara on May 8, 2025, 48.03.