Mayo Onishi

JapanJapanActive
Born
May 8, 1986 (40 years old)
Events
Marathon

Mayo Onishi is a Japan long-distance runner, born on May 8, 1986. She competes primarily in the 5000m and Marathon.

Her personal bests include 17:45.41 in the 5000m and 2:41:16 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:41:16
2026 season best2:41:16Jan 25, 2026 · Osaka
2026 season best
Last competition2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field ChampionshipsOct 3, 2026 · 17:04.38
2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships

As of Nov 15, 2026: Marathon 2:41:16, 2026 season best 2:41:16 (Jan 25, 2026, Osaka (JPN)) · Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships, Oct 3, 2026, 17:04.38 · 40 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
5000mOsaka 2025Japan 5000 m all-time list17:45.41865 pts––
MarathonOsaka 2026Japan Marathon all-time list2:41:161,015 pts–#802

Progression

SeasonDisciplineResultWindDateCompetitions
20265000m 17:04.38–Oct 3, 20262nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships
2026Marathon 2:41:16–Jan 25, 2026Osaka Women's Marathon
20255000m 17:45.41–Jun 29, 2025Osaka Athletics Championships
2025Marathon 2:43:17–Jan 26, 2025Osaka Women's Marathon
FAQ

Frequently asked questions

Mayo Onishi's Marathon personal best is 2:41:16, set on Jan 25, 2026 in Osaka (JPN).

Mayo Onishi competes in the Marathon.

2026 season best: 2:41:16, set on Jan 25, 2026 in Osaka (JPN). Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships on Oct 3, 2026, 17:04.38.