Zen Hosoya

JapanJapanActive
Born
Oct 30, 2007 (19 years old)
Events
400 m

Zen Hosoya is a Japan sprinter, born on October 30, 2007. He competes primarily in the 400m, 800m and 400mH.

His personal bests include 48.40 in the 400m, 1:59.46 in the 800m, 53.18 in the 400mH, 3:18.01 in the 4x400m and 35.03 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m48.40
2026 season best49.59May 21, 2026 · Kanseki Stadium, Utsunomiya
2026 season best
Last competitionThe 53rd Tohoku Athletics Championships, Azuma Stadium, FukushimaAug 22, 2026 · 50.09
The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima

As of Nov 13, 2026: 400 m 48.40, 2026 season best 49.59 (May 21, 2026, Kanseki Stadium, Utsunomiya (JPN)) · Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima, Aug 22, 2026, 50.09 · 19 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mAkita 2025Japan 400 m all-time list48.40956 pts–
800mFukushima 2023Japan 800 m all-time list1:59.46774 pts–
400mHAomori 2025Japan 400 m hurdles all-time list53.18978 pts–
4x400mRifu 2025Japan 4 × 400 m all-time list3:18.01–
300mAkita 202535.03899 pts–
300MetresHAkita 202538.28–

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m 49.59–May 21, 2026The 105th Kanto Inter-University Track＆Field Championships
2026400mH 54.33–May 23, 2026The 105th Kanto Inter-University Track＆Field Championships
2025300m 35.03–Jul 5, 202564th Akita Prefecture Track and Field Championships
2025300MetresH 38.28–Jul 3, 202564th Akita Prefecture Track and Field Championships
2025400m 48.40–Jul 4, 202564th Akita Prefecture Track and Field Championships
2025400mH 53.18–Jun 15, 202580th Tohoku High School Meeting, New Aomori Sports Park, Aomori
20254x400m 3:18.01–Aug 24, 2025The 52nd Tohoku Athletics Championships, Rifu
2024400m 49.16–Sep 27, 202429th Tohoku High School Rookies' Championships
FAQ

Frequently asked questions

Zen Hosoya's 400 m personal best is 48.40, set on Jul 4, 2025 in Athletics Stadium, Akita (JPN).

Zen Hosoya competes in the 400 m.

2026 season best: 49.59, set on May 21, 2026 in Kanseki Stadium, Utsunomiya (JPN). Last competition: The 53rd Tohoku Athletics Championships, Azuma Stadium, Fukushima on Aug 22, 2026, 50.09.