Kousei Shirosaki

Kousei Shirosaki

JapanJapanActive
Born
Aug 21, 2003 (23 years old)
Events
100 m · Triple Jump

Kousei Shirosaki is a Japan sprinter, born on August 21, 2003. He competes primarily in the 100m, 4x100m and 4x400m.

His personal bests include 10.26 in the 100m, 38.93 in the 4x100m, 3:10.70 in the 4x400m, 2.10 in the HJ and 7.25 in the LJ. He is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m10.26
2026 season best16.20Jun 12, 2026 · Municipal Mizuho Stadium, Nagoya
2026 season best
Personal best · Triple Jump16.20
Last competitionJapanese ChampionshipsJun 12, 2026 · 16.20
Japanese Championships

As of Nov 13, 2026: 100 m 10.26, Triple Jump 16.20, 2026 season best 16.20 (Jun 12, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: Japanese Championships, Jun 12, 2026, 16.20 · 23 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mAgeo 2024Japan 100 m all-time list10.261,118 pts––
4x100mOkayama 2025Japan 4 × 100 m all-time list38.93––
4x400mFujiyoshida 2023Japan 4 × 400 m all-time list3:10.70––
HJOita 2021Japan High Jump all-time list2.101,002 pts––
LJInzai 2022Japan Long Jump all-time list7.25976 pts––
TJNagoya 2026Japan Triple Jump all-time list16.201,080 pts–#113

Progression

SeasonDisciplineResultWindDateCompetitions
2026TJ 16.20-0.4Jun 12, 2026Japanese Championships
2025100m 10.40+1.3Jun 1, 20252025 Fuse Sprint
2025TJ 16.02+2.0Mar 9, 202529th Spring Record Meeting
20254x100m 38.93–Jun 6, 202594th Japan Inter-University Athletics Championships
2024LJ 7.20-0.3Mar 15, 20242024 Spring Challenge Meet, National Stadium, Tokyo
2024100m 10.26+1.9Apr 7, 202417th Iwakabe Cup, Athletic Park, Ageo
2024TJ 16.02+0.1Apr 7, 202417th Iwakabe Cup, Athletic Park, Ageo
2024TJ Indoor16.05–Feb 4, 2024Japanese Indoor Championships, Osaka Castle Hall, Osaka (i)
FAQ

Frequently asked questions

Kousei Shirosaki's 100 m personal best is 10.26, set on Apr 7, 2024 in Athletic Park, Ageo (JPN).

Kousei Shirosaki competes in the 100 m and Triple Jump.

2026 season best: 16.20, set on Jun 12, 2026 in Municipal Mizuho Stadium, Nagoya (JPN). Last competition: Japanese Championships on Jun 12, 2026, 16.20.