Ayu Yoshii

JapanJapanActive
Born
Sep 12, 2005 (21 years old)
Events
400 m · 300 Metres

Ayu Yoshii is a Japan sprinter, born on September 12, 2005. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 11.97 in the 100m, 25.01 in the 200m, 54.40 in the 400m, 3:35.41 in the 4x400m and 7.81 in the 60m. She has earned 1 gold medal in major international competitions. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m54.40
2026 season best54.79Jun 12, 2026 · Municipal Mizuho Stadium, Nagoya
2026 season best
Personal best · 300 Metres39.52
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 56.57
95th Japan Inter-University Athletics Championships

As of Nov 8, 2026: 400 m 54.40, 300 Metres 39.52, 2026 season best 54.79 (Jun 12, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 56.57 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mAkashi 2020Japan 100 m all-time list11.97*997 pts––
200mKobe 2022Japan 200 m all-time list25.01941 pts––
400mOsaka 2025Japan 400 m all-time list54.401,035 pts––
4x400mOkayama 2025Japan 4 × 400 m all-time list3:35.41–#753
60mIndoorOsaka 20217.81954 pts––
60m20217.81954 pts––

* Wind-assisted (> 2.0 m/s)

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2026100m 12.59+0.3Apr 12, 202680th Yoshioka Memorial Izumo Meet
2026200m 25.45-0.1Mar 21, 2026the second ICAAK track and field game
2026300m 39.64–Apr 12, 202680th Yoshioka Memorial Izumo Meet
2026400m 54.79–Jun 12, 2026Japanese Championships
20264x400m 3:38.98–May 17, 2026The 103rd Kansai Inter University Track&Field Championships
2025200m 25.31-3.0Aug 12, 20252025 the first ICAAK athletic games, Takebishi Stadium, Kyoto
2025400m 54.40–May 5, 2025The 102nd Kansai Inter University Track&Field Championships
20254x400m 3:35.41–Jun 7, 202594th Japan Inter-University Athletics Championships
Compare me with Ayu Yoshii
FAQ

Frequently asked questions

Ayu Yoshii's 400 m personal best is 54.40, set on May 5, 2025 in Yanmar Stadium Nagai, Osaka (JPN).

Ayu Yoshii competes in the 400 m and 300 Metres.

2026 season best: 54.79, set on Jun 12, 2026 in Municipal Mizuho Stadium, Nagoya (JPN). Last competition: 95th Japan Inter-University Athletics Championships on Sep 5, 2026, 56.57.