Jina Obiako

JapanJapanActive
Born
Nov 6, 2006 (20 years old)
Events
100 m

Jina Obiako is a Japan sprinter, born on November 6, 2006. She competes primarily in the 100m and 4x100m.

Her personal bests include 12.80 in the 100m and 46.79 in the 4x100m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.80
2026 season best13.08Aug 11, 2026
2026 season best
Last competition2nd SANO Sprint, Seisyu KAIKA Stadium, TochigiAug 11, 2026 · 13.08
2nd SANO Sprint, Seisyu KAIKA Stadium, Tochigi

As of Nov 14, 2026: 100 m 12.80, 2026 season best 13.08 (Aug 11, 2026) · Last competition: 2nd SANO Sprint, Seisyu KAIKA Stadium, Tochigi, Aug 11, 2026, 13.08 · 20 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mChiba 2021Japan 100 m all-time list12.80839 pts–
4x100mKofu 2023Japan 4 × 100 m all-time list46.79–

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 13.08-1.5Aug 11, 20262nd SANO Sprint, Seisyu KAIKA Stadium, Tochigi
2025100m 12.94+1.2Aug 11, 20252nd SANO Sprint, Athletic Park Stadium, Sano
20234x100m 46.79–Jun 17, 2023Minami Kanto High school Meeting, JIT Recycled Ink Stadium, Kofu
2021100m 12.80+0.8Jul 10, 2021Prefectural Tendai Stadium, Chiba (JPN)
FAQ

Frequently asked questions

Jina Obiako's 100 m personal best is 12.80, set on Jul 10, 2021 in Prefectural Tendai Stadium, Chiba (JPN).

Jina Obiako competes in the 100 m.

2026 season best: 13.08, set on Aug 11, 2026. Last competition: 2nd SANO Sprint, Seisyu KAIKA Stadium, Tochigi on Aug 11, 2026, 13.08.