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Natsuko Ishikawa

Natsuko Ishikawa

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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.

Key facts
30 Kilometres Road
1:55:58
Marathon
2:52:40
2026 season best
2:09:28
Feb 15, 2026
2026 season best
Last competition
58th The Ohme 30 & 10 km Road Race, Ohme
Feb 15, 2026 · 2:09:28
58th The Ohme 30 & 10 km Road Race, Ohme

As of Sep 23, 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

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
30Kilometr
2:09:28-Feb 15, 2026
↓
58th The Ohme 30 & 10 km Road Race, Ohme
2020
30Kilometr
1:55:58-Feb 16, 2020
↓
Ohme-Hochi Road Race
2019
Marathon
2:53:23-Feb 3, 2019
↑
Beppu-Oita Mainichi Marathon
2018
Marathon
2:55:56-Nov 25, 2018
↑
Osaka (JPN)
2017
Marathon
2:52:40-Feb 26, 2017
↑
Tokyo Marathon
2016
Marathon
2:55:59-Feb 28, 2016
↑
Tokyo Marathon

2026

1 performance
DisciplineResultWindDateCompetitions
30Kilometr
2:09:28-Feb 1558th The Ohme 30 & 10 km Road Race, Ohme

2020

1 performance
DisciplineResultWindDateCompetitions
30Kilometr
1:55:58-Feb 16Ohme-Hochi Road Race

2019

2 performances
DisciplineResultWindDateCompetitions
Marathon
2:55:58-Mar 10Nagoya Women's Marathon
Marathon
2:53:23-Feb 3Beppu-Oita Mainichi Marathon

2018

3 performances
DisciplineResultWindDateCompetitions
Marathon
2:55:56-Nov 25Osaka Marathon, Osaka
Marathon
2:57:44-Feb 25Tokyo Marathon
Marathon
3:00:17-Jan 28Osaka International Ladies Marathon

2017

2 performances
DisciplineResultWindDateCompetitions
Marathon
2:57:11-Apr 17Boston Marathon
Marathon
2:52:40-Feb 26Tokyo Marathon

2016

2 performances
DisciplineResultWindDateCompetitions
Marathon
3:04:41-Nov 13Saitama Marathon, Saitama
Marathon
2:55:59-Feb 28Tokyo Marathon

Honours

No medals

FAQ

Frequently asked questions

What is Natsuko Ishikawa's 30 Kilometres Road personal best?

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

Which events does Natsuko Ishikawa compete in?

Natsuko Ishikawa competes in the 30 Kilometres Road and Marathon.

How did Natsuko Ishikawa perform in 2026?

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.