Kosei Shumi

JapanJapanActive
Born
Jul 8, 2005 (21 years old)
Events
100 m

Kosei Shumi is a Japan sprinter, born on July 8, 2005. He competes primarily in the 100m, 400m and 1500m.

His personal bests include 10.89 in the 100m, 49.87 in the 400m, 4:43.28 in the 1500m, 15.39 in the 110mH and 3:14.93 in the 4x400m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m10.89
2026 season best11.19Aug 1, 2026 · Amashin Stadium, Amakusa
2026 season best
Last competition8th Kyushu Kyoritsu University Challenge MeetOct 31, 2026 · 11.45
8th Kyushu Kyoritsu University Challenge Meet

As of Nov 13, 2026: 100 m 10.89, 2026 season best 11.19 (Aug 1, 2026, Amashin Stadium, Amakusa (JPN)) · Last competition: 8th Kyushu Kyoritsu University Challenge Meet, Oct 31, 2026, 11.45 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mKitakyushu 2025Japan 100 m all-time list10.89*919 pts––
400mFukuoka 2025Japan 400 m all-time list49.87866 pts––
1500mKitakyushu 2025Japan 1500 m all-time list4:43.28421 pts––
110mHKitakyushu 2025Japan 110 m hurdles all-time list15.39*830 pts––
4x400mFukuoka 2023Japan 4 × 400 m all-time list3:14.93––
HJKagoshima 2024Japan High Jump all-time list1.85784 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026HJ 1.83–Jun 19, 2026The 79th West-Japan Inter-Unversity Track＆ Field Championships
2026PV 3.00–May 4, 2026Fukuoka Athletics Championships
2026LJ 6.51-1.7May 3, 2026Fukuoka Athletics Championships
2026SP 9.92–Jun 19, 2026The 79th West-Japan Inter-Unversity Track＆ Field Championships
2026100m 11.19+1.5Aug 1, 20266th Kyushu Kyoritsu University Challenge Meet
2026110mH 15.82-2.3May 4, 2026Fukuoka Athletics Championships
2026200m 22.65+1.8Jul 18, 20265th Kyushu Kyoritsu University Challenge Meet
2026DT 31.08–May 4, 2026Fukuoka Athletics Championships
FAQ

Frequently asked questions

Kosei Shumi's 100 m personal best is 10.89, set on Aug 2, 2025 in Kyushu Kyoritsu University Stadium, Kitakyushu (JPN).

Kosei Shumi competes in the 100 m.

2026 season best: 11.19, set on Aug 1, 2026 in Amashin Stadium, Amakusa (JPN). Last competition: 8th Kyushu Kyoritsu University Challenge Meet on Oct 31, 2026, 11.45.