Satoshi Koizumi

JapanJapanActive
Born
Feb 20, 2006 (20 years old)
Events
800 m

Satoshi Koizumi is a Japan middle-distance runner, born on February 20, 2006. He competes primarily in the 800m and 1500m.

His personal bests include 1:48.97 in the 800m and 3:57.01 in the 1500m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 800 m1:48.97
2026 season best1:48.97Jun 21, 2026 · NITTAIDAI Athletic Stadium, Yokohama
2026 season best
Last competition159th Nippon Sport Science University CompetitionSep 18, 2026 · DNF
159th Nippon Sport Science University Competition

As of Nov 7, 2026: 800 m 1:48.97, 2026 season best 1:48.97 (Jun 21, 2026, NITTAIDAI Athletic Stadium, Yokohama (JPN)) · Last competition: 159th Nippon Sport Science University Competition, Sep 18, 2026, DNF · 20 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
800mYokohama 2026Japan 800 m all-time list1:48.971,056 pts–#812
1500mYokohama 2023Japan 1500 m all-time list3:57.01890 pts––

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
2026800m 1:48.97–Jun 21, 2026156th Nippon Sport Science University Competition
2025800m 1:49.84–Oct 26, 2025The 9th Nihon University Competition, Nihon University Stadium, Tokyo
2023800m 1:52.70–Jun 18, 2023Minami Kanto High school Meeting, JIT Recycled Ink Stadium, Kofu
20231500m 3:57.01–Aug 13, 2023The 99th WASEDA & KEIO Athletic Meet
20221500m 4:01.15–Sep 23, 2022Komazawa Olympic Park Athletic Stadium, Tokyo (JPN)
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FAQ

Frequently asked questions

Satoshi Koizumi's 800 m personal best is 1:48.97, set on Jun 21, 2026 in NITTAIDAI Athletic Stadium, Yokohama (JPN).

Satoshi Koizumi competes in the 800 m.

2026 season best: 1:48.97, set on Jun 21, 2026 in NITTAIDAI Athletic Stadium, Yokohama (JPN). Last competition: 159th Nippon Sport Science University Competition on Sep 18, 2026, DNF.