Hiroaki Masuoka

Hiroaki Masuoka

JapanJapan
Born
Feb 18, 1986 (40 years old)
Events
400 m hurdles · 400 m

Hiroaki Masuoka is a Japan sprinter, born on February 18, 1986. He competes primarily in the 400m and 400mH.

His personal bests include 47.15 in the 400m and 49.76 in the 400mH. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m hurdles49.76
#874 all-time
2012 season best51.07Jun 8, 2012 · Osaka
2012 season best
Personal best · 400 m47.15

As of Nov 7, 2026: 400 m hurdles 49.76 (#874 all-time), 400 m 47.15, 2012 season best 51.07 (Jun 8, 2012, Osaka (JPN)) · 40 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mTokyo 2007Japan 400 m all-time list47.151,035 pts–
400mHOita 2008Japan 400 m hurdles all-time list49.761,142 pts#874

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2012400mH 51.07–Jun 8, 2012Osaka (JPN)
2011400m 47.19–Oct 9, 2011Yamaguchi (JPN)
2011400mH 50.11–Jun 10, 2011Kumagaya (JPN)
2010400mH 50.31–May 16, 2010Kumagaya (JPN)
2009400mH 49.93–Oct 3, 2009Niigata (JPN)
2008400mH 49.76–Oct 4, 2008Oita (JPN)
2007400m 47.15–Jun 8, 2007Tokyo (JPN)
2007400mH 51.02–May 13, 2007Tokyo (JPN)
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FAQ

Frequently asked questions

Hiroaki Masuoka's 400 m hurdles personal best is 49.76, set on Oct 4, 2008 in Oita (JPN), #874 on the all-time list.

Hiroaki Masuoka competes in the 400 m hurdles and 400 m.

2012 season best: 51.07, set on Jun 8, 2012 in Osaka (JPN).