Seisho Sasaki

JapanJapanActive
Born
Aug 29, 2005 (21 years old)
Events
200 m · 300 Metres

Seisho Sasaki is a Japan sprinter, born on August 29, 2005. He competes primarily in the 100m, 200m and 4x100m.

His personal bests include 10.58 in the 100m, 20.74 in the 200m, 40.36 in the 4x100m, 3:18.03 in the 4x400m and 33.32 in the 300m. He is currently active on the international athletics circuit, representing Japan.

Personal best · 200 m20.74
2026 season best20.82Aug 9, 2026 · Municipal Mizuho Stadium, Nagoya
2026 season best
Personal best · 300 Metres33.32
Last competitionFuji Hokuroku World TrialAug 9, 2026 · 20.82
Fuji Hokuroku World Trial

As of Nov 13, 2026: 200 m 20.74, 300 Metres 33.32, 2026 season best 20.82 (Aug 9, 2026, Municipal Mizuho Stadium, Nagoya (JPN)) · Last competition: Fuji Hokuroku World Trial, Aug 9, 2026, 20.82 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
100mMiyazaki 2025Japan 100 m all-time list10.58*1,015 pts––
200mOkayama 2025Japan 200 m all-time list20.741,106 pts–#454
4x100mRifu 2025Japan 4 × 100 m all-time list40.36––
4x400mTendo 2023Japan 4 × 400 m all-time list3:18.03––
300mHikone 202533.321,043 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 10.70+1.8May 3, 20261st SANO Sprint
2026200m 20.82-0.2Aug 9, 2026Fuji Hokuroku World Trial
2025100m 10.58+4.7Mar 22, 20253rd Miyazaki Athletics Records Meeting, Prefectural Sports Park, Miyazaki
2025200m 20.74+2.0Jun 8, 202594th Japan Inter-University Athletics Championships
2025300m 33.32–Oct 3, 2025Japan Games, Athletic Stadium, Hikone
20254x100m 40.36–Aug 23, 2025The 52nd Tohoku Athletics Championships, Rifu
2023200m 21.23+0.9Jun 18, 202378th Tohoku Highschool Meeting, ND Soft Stadium, Tendo
20234x100m 41.28–Jun 16, 202378th Tohoku Highschool Meeting, ND Soft Stadium, Tendo
FAQ

Frequently asked questions

Seisho Sasaki's 200 m personal best is 20.74, set on Jun 8, 2025 in Prefectural Stadium, Okayama (JPN).

Seisho Sasaki competes in the 200 m and 300 Metres.

2026 season best: 20.82, set on Aug 9, 2026 in Municipal Mizuho Stadium, Nagoya (JPN). Last competition: Fuji Hokuroku World Trial on Aug 9, 2026, 20.82.