Natsuko Ishikawa

Natsuko Ishikawa

JapanJapanActive
Events
30 Kilometres Road · Marathon

Natsuko Ishikawa is a Japan long-distance runner. He competes primarily in the Marathon and 30Kilometr.

His personal bests include 2:52:40 in the Marathon and 1:55:58 in the 30Kilometr. He is currently active on the international athletics circuit, representing Japan.

Personal best · 30 Kilometres Road1:55:58
2026 season best2:09:28Feb 15, 2026
2026 season best
Personal best · Marathon2:52:40
Last competition58th The Ohme 30 & 10 km Road Race, OhmeFeb 15, 2026 · 2:09:28
58th The Ohme 30 & 10 km Road Race, Ohme

As of Nov 12, 2026: 30 Kilometres Road 1:55:58, Marathon 2:52:40, 2026 season best 2:09:28 (Feb 15, 2026) · Last competition: 58th The Ohme 30 & 10 km Road Race, Ohme, Feb 15, 2026, 2:09:28

Personal bests

WA points calculator →
DisciplineResultAll-time2026
MarathonTokyo 2017Japan Marathon all-time list2:52:40490 pts––
30KilometrTokyo 20201:55:58–#44

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
202630Kilometr 2:09:28–Feb 15, 202658th The Ohme 30 & 10 km Road Race, Ohme
202030Kilometr 1:55:58–Feb 16, 2020Ohme-Hochi Road Race
2019Marathon 2:53:23–Feb 3, 2019Beppu-Oita Mainichi Marathon
2018Marathon 2:55:56–Nov 25, 2018Osaka (JPN)
2017Marathon 2:52:40–Feb 26, 2017Tokyo Marathon
2016Marathon 2:55:59–Feb 28, 2016Tokyo Marathon
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FAQ

Frequently asked questions

Natsuko Ishikawa's 30 Kilometres Road personal best is 1:55:58, set on Feb 16, 2020 in Tokyo (JPN).

Natsuko Ishikawa competes in the 30 Kilometres Road and Marathon.

2026 season best: 2:09:28, set on Feb 15, 2026. Last competition: 58th The Ohme 30 & 10 km Road Race, Ohme on Feb 15, 2026, 2:09:28.