Naoko Ota

JapanJapan
Born
Aug 5, 1969 (57 years old)
Events
100 Kilometres Road · Marathon

Naoko Ota is a Japan long-distance runner, born on August 5, 1969. She competes primarily in the Marathon and 100Kilomet.

Her personal bests include 2:53:48 in the Marathon and 7:59:14 in the 100Kilomet. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 Kilometres Road7:59:14
2019 season best3:03:48Jan 27, 2019 · Osaka
2019 season best
Personal best · Marathon2:53:48
Last competitionOsaka Women's Marathon, OsakaJan 27, 2019 · 3:03:48
Osaka Women's Marathon, Osaka

As of Nov 14, 2026: 100 Kilometres Road 7:59:14, Marathon 2:53:48, 2019 season best 3:03:48 (Jan 27, 2019, Osaka (JPN)) · Last competition: Osaka Women's Marathon, Osaka, Jan 27, 2019, 3:03:48 · 57 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
MarathonSapporo 2008Japan Marathon all-time list2:53:48907 pts–
100KilometLake Saroma 20087:59:14–

Progression

SeasonDisciplineResultWindDateCompetitions
2019Marathon 3:03:48–Jan 27, 2019Osaka Women's Marathon, Osaka
2018Marathon 3:03:51–Feb 25, 2018Tokyo Marathon
2017Marathon 3:02:18–Feb 26, 2017Tokyo Marathon
2011Marathon 2:56:20–Feb 27, 2011Tokyo (JPN)
2010Marathon 2:53:59–Jan 31, 2010Osaka (JPN)
2008Marathon 2:53:48–Aug 31, 2008Sapporo (JPN)
2008100Kilomet 7:59:14–Jun 22, 2008Lake Saroma (JPN)
FAQ

Frequently asked questions

Naoko Ota's 100 Kilometres Road personal best is 7:59:14, set on Jun 22, 2008 in Lake Saroma (JPN).

Naoko Ota competes in the 100 Kilometres Road and Marathon.

2019 season best: 3:03:48, set on Jan 27, 2019 in Osaka (JPN). Last competition: Osaka Women's Marathon, Osaka on Jan 27, 2019, 3:03:48.