Shamayamian Williams

JapanJapan
Born
Jul 29, 2007 (19 years old)
Events
400 m · 300 Metres

Shamayamian Williams is a Japan sprinter, born on July 29, 2007. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.06 in the 100m, 24.49 in the 200m, 54.92 in the 400m, 46.33 in the 4x100m and 3:44.40 in the 4x400m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 400 m54.92
2025 season best56.11Jun 13, 2025 · Sunrise Park, Saga
2025 season best
Personal best · 300 Metres38.99
Last competitionThe 80th Kyusyu Athletics Championships, Showa Denko Stadium, OitaAug 22, 2025 · 56.84
The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita

As of Nov 13, 2026: 400 m 54.92, 300 Metres 38.99, 2025 season best 56.11 (Jun 13, 2025, Sunrise Park, Saga (JPN)) · Last competition: The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita, Aug 22, 2025, 56.84 · 19 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mKumamoto 2023Japan 100 m all-time list12.06980 pts–
200mFukuoka 2024Japan 200 m all-time list24.49989 pts–
400mSapporo 2023Japan 400 m all-time list54.921,016 pts–
4x100mSaga 2023Japan 4 × 100 m all-time list46.33–
4x400mFukuoka 2023Japan 4 × 400 m all-time list3:44.40–
60mIndoorOsaka 20227.86938 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025100m 12.76-0.4Apr 13, 20252025 Asahi - Hakata Record meeting, Hakatanomori Athletic Stadium, Fukuoka
2025200m 25.15+0.4Apr 20, 20252025 Nishinihon - Hakata Record meeting, Hakatanomori Athletic Stadium, Fukuoka
2025300m 39.27–Aug 10, 20252025 Summer Record Meeting, Hakatanomori Athletic Stadium, Fukuoka
2025400m 56.11–Jun 13, 2025The 78th National High School Track and Field Championships Kitakyushu Regional Qualifiers
202460m Indoor7.91–Feb 3, 20242024 Japan Indoor Meet - U20 & U18
2024100m 12.56-0.3Apr 20, 20242024 Nishinihon - Hakata Record meeting
2024200m 24.49+1.7May 26, 20242024 Fukuoka High School Athletics Championships
2024300m 39.54–Oct 11, 2024National Sports Festival 2024 Saga
FAQ

Frequently asked questions

Shamayamian Williams's 400 m personal best is 54.92, set on Aug 2, 2023 in Atsubetsu Park Stadium, Sapporo (JPN).

Shamayamian Williams competes in the 400 m and 300 Metres.

2025 season best: 56.11, set on Jun 13, 2025 in Sunrise Park, Saga (JPN). Last competition: The 80th Kyusyu Athletics Championships, Showa Denko Stadium, Oita on Aug 22, 2025, 56.84.