Yako Ninomiya

JapanJapanActive
Born
Oct 6, 1981 (45 years old)
Events
Marathon · Half Marathon

Yako Ninomiya is a Japan long-distance runner, born on October 6, 1981. She competes primarily in the Semi and Marathon.

Her personal bests include 1:24:05 in the Semi and 2:49:44 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:49:44
2026 season best2:49:44Jan 25, 2026 · Osaka
2026 season best
Personal best · Half Marathon1:24:05
Last competitionTokyo MarathonMar 1, 2026 · 2:54:37
Tokyo Marathon

As of Nov 15, 2026: Marathon 2:49:44, Half Marathon 1:24:05, 2026 season best 2:49:44 (Jan 25, 2026, Osaka (JPN)) · Last competition: Tokyo Marathon, Mar 1, 2026, 2:54:37 · 45 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
SemiOkayama 2023Japan Half Marathon all-time list1:24:05859 pts–
MarathonOsaka 2026Japan Marathon all-time list2:49:44941 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:49:44–Jan 25, 2026Osaka Women's Marathon
2025Marathon 2:52:58–Jan 26, 2025Osaka Women's Marathon
2024Marathon 2:52:14–Jan 28, 2024Osaka Women's Marathon
2023Semi 1:24:05–Dec 17, 2023The 42nd SANYO Ladies Road Race
2023Marathon 2:59:27–Mar 5, 2023Tokyo Marathon
FAQ

Frequently asked questions

Yako Ninomiya's Marathon personal best is 2:49:44, set on Jan 25, 2026 in Osaka (JPN).

Yako Ninomiya competes in the Marathon and Half Marathon.

2026 season best: 2:49:44, set on Jan 25, 2026 in Osaka (JPN). Last competition: Tokyo Marathon on Mar 1, 2026, 2:54:37.