Kosuke Seino

JapanJapanActive
Born
Aug 20, 2004 (22 years old)
Events
Javelin Throw

Kosuke Seino is a Japan thrower, born on August 20, 2004. He competes primarily in the JT.

His personal bests include 73.28 in the JT. He is currently active on the international athletics circuit, representing Japan.

Personal best · Javelin Throw73.28
2026 season best72.46Sep 5, 2026 · Municipal Mizuho Stadium, Nagoya
2026 season best
Last competition95th Japan Inter-University Athletics ChampionshipsSep 5, 2026 · 72.46
95th Japan Inter-University Athletics Championships

As of Oct 28, 2026: Javelin Throw 73.28, 2026 season best 72.46 (Sep 5, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: 95th Japan Inter-University Athletics Championships, Sep 5, 2026, 72.46 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
JTHiratsuka 202573.281,006 pts–#257

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2026JT 72.46–Sep 5, 202695th Japan Inter-University Athletics Championships
2025JT 73.28–Apr 25, 2025All Japan University Track & Field Challenge, Tokai University Stadium, Hiratsuka
2024JT 65.89–Jun 14, 2024All Japan University Track & Field Challenge, Lemon Gas Stadium, Hiratsuka
2023JT 68.80–Sep 23, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
2022JT 64.93–Aug 4, 2022Naruto Sports Park, Tokushima (JPN)
2021JT 62.51–Jun 21, 2021Athletic Field, Kitakami (JPN)
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FAQ

Frequently asked questions

Kosuke Seino's Javelin Throw personal best is 73.28, set on Apr 25, 2025 in Lemon Gas Stadium, Hiratsuka (JPN).

Kosuke Seino competes in the Javelin Throw.

2026 season best: 72.46, set on Sep 5, 2026 in Municipal Mizuho Stadium, Nagoya (JPN). Last competition: 95th Japan Inter-University Athletics Championships on Sep 5, 2026, 72.46.