Mizuki Kosyouji

JapanJapanActive
Born
Jan 22, 2008 (18 years old)
Events
300 Metres

Mizuki Kosyouji is a Japan sprinter, born on January 22, 2008. She competes primarily in the 100m, TJ and 300m.

Her personal bests include 12.69 in the 100m, 10.31 in the TJ and 42.08 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 300 Metres42.08
2026 season best10.31May 8, 2026 · Amashin Stadium, Amakusa
2026 season best
Last competitionThe 96th Kyushu Inter University Track & Field ChampionshipsMay 8, 2026 · 10.31
The 96th Kyushu Inter University Track & Field Championships

As of Nov 13, 2026: 300 Metres 42.08, 2026 season best 10.31 (May 8, 2026, Amashin Stadium, Amakusa (JPN)) · Last competition: The 96th Kyushu Inter University Track & Field Championships, May 8, 2026, 10.31 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mOita 2024Japan 100 m all-time list12.69859 pts–
TJAmakusa 2026Japan Triple Jump all-time list10.31745 pts–
300mOita 202442.08853 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026TJ 10.31+0.4May 8, 2026The 96th Kyushu Inter University Track & Field Championships
2025TJ 11.20+5.8Jun 16, 2025The 78th National High School Track and Field Championships Kitakyushu Regional Qualifiers
2024100m 12.69+1.5May 25, 2024The 72nd Oita High School Championships
2024300m 42.08–Jul 7, 2024The 78th National Sports Festival Oita Challenge Meet
FAQ

Frequently asked questions

Mizuki Kosyouji's 300 Metres personal best is 42.08, set on Jul 7, 2024 in Municipal Stadium, Oita (JPN).

Mizuki Kosyouji competes in the 300 Metres.

2026 season best: 10.31, set on May 8, 2026 in Amashin Stadium, Amakusa (JPN). Last competition: The 96th Kyushu Inter University Track & Field Championships on May 8, 2026, 10.31.