Miano Niinou

JapanJapan
Born
Nov 26, 2008 (17 years old)
Events
300 Metres Hurdles

Miano Niinou is a Japan hurdler, born on November 26, 2008. She competes primarily in the 400mH and 300MetresH.

Her personal bests include 1:02.79 in the 400mH and 44.52 in the 300MetresH. She is currently active on the international athletics circuit, representing Japan.

Personal best · 300 Metres Hurdles44.52
2025 season best44.52Oct 17, 2025 · Prefectural Stadium, Ise
2025 season best
Last competitionKanto High School Rookies' Championships, JIT Recycled Ink Stadium, KofuOct 19, 2025 · 1:03.41
Kanto High School Rookies' Championships, JIT Recycled Ink Stadium, Kofu

As of Nov 14, 2026: 300 Metres Hurdles 44.52, 2025 season best 44.52 (Oct 17, 2025, Prefectural Stadium, Ise (JPN)) · Last competition: Kanto High School Rookies' Championships, JIT Recycled Ink Stadium, Kofu, Oct 19, 2025, 1:03.41 · 17 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mHKofu 2025Japan 400 m hurdles all-time list1:02.79942 pts–
300MetresHIse 202544.52–

Progression

SeasonDisciplineResultWindDateCompetitions
2025300MetresH 44.52–Oct 17, 202519th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
2025400mH 1:02.79–Oct 19, 2025Kanto High School Rookies' Championships, JIT Recycled Ink Stadium, Kofu
FAQ

Frequently asked questions

Miano Niinou's 300 Metres Hurdles personal best is 44.52, set on Oct 17, 2025 in Prefectural Stadium, Ise (JPN).

Miano Niinou competes in the 300 Metres Hurdles.

2025 season best: 44.52, set on Oct 17, 2025 in Prefectural Stadium, Ise (JPN). Last competition: Kanto High School Rookies' Championships, JIT Recycled Ink Stadium, Kofu on Oct 19, 2025, 1:03.41.