AI
Ai Igarashi

Ai Igarashi

JPNJPNWomen
Birth dateOct 25, 1988
Height-
Weight-

Ai Igarashi is a Japan middle-distance runner, born on October 25, 1988. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:25.51 in the 1500m, 9:07.21 in the 3000m, 15:31.72 in the 5000m, 32:17.58 in the 10000m and 1:10:48 in the Semi. She is currently active on the international athletics circuit, representing Japan.

Key facts
10 000 m
32:17.58
#989 all-time
Half Marathon
1:10:48
2016 season best
16:09.22
Jul 14, 2016 · Kitami (JPN)
2016 season best
Age
37 years old

As of Oct 1, 2026: 10 000 m 32:17.58 (#989 all-time), Half Marathon 1:10:48, 2016 season best 16:09.22 (Jul 14, 2016, Kitami (JPN)) · 37 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2016
5000m
16:09.22-Jul 14, 2016
↓
Kitami (JPN)
2013
5000m
16:59.34-Apr 28, 2013
↓
Palo Alto, CA (USA)
2012
1500m
4:25.51-May 20, 2012
↑
Amagasaki (JPN)
2012
3000m
9:07.21-Jul 4, 2012
↑
Kitami (JPN)
2012
5000m
15:31.72-May 3, 2012
↓
Shizuoka (JPN)
2012
10000m
32:17.58-Jul 7, 2012-Abashiri (JPN)
2012
10Kilometr
33:38-Jul 22, 2012
↑
Shibetsu (JPN)
2012
Semi
1:10:48-Mar 18, 2012
↑
Yamaguchi (JPN)
2011
5000m
15:47.62-Apr 29, 2011
↓
Hiroshima (JPN)
2011
CrossCount
28:37-Mar 20, 2011-39th IAAF World Cross Country Championships, Punta Umbria
2010
5000m
15:43.24-Nov 21, 2010
↓
Yokohama (JPN)
2010
10Kilometr
33:51-Jul 25, 2010
↑
Shibetsu (JPN)
2009
1500m
4:26.19-May 16, 2009
↑
Amagasaki (JPN)
2009
5000m
15:44.70-May 30, 2009
↓
Nobeoka (JPN)
2009
10Kilometr
32:56-Feb 8, 2009
↑
Karatsu (JPN)
2009
Semi
1:13:20-Mar 15, 2009
↑
Matsue (JPN)
2008
5000m
15:56.98-Sep 26, 2008
↓
Yamagata (JPN)
2008
10Kilometr
33:47-Dec 23, 2008
↑
Okayama (JPN)
2007
3000m
9:16.1h-Oct 6, 2007
↑
Takamatsu (JPN)
2007
5000m
15:57.76-Oct 13, 2007
↓
Kobe (JPN)

2016

2 performances
DisciplineResultWindDateCompetitions
5000m
16:55.11-Sep 25Osaka
5000m
16:09.22-Jul 14Kitami Hokuren Distance Challenge, Kitami

2013

1 performance
DisciplineResultWindDateCompetitions
5000m
16:59.34-Apr 28Palo Alto Payton Jordan Cardinal Invitational, Palo Alto, CA

2012

10 performances
DisciplineResultWindDateCompetitions
10Kilometr
33:38-Jul 22Shibetsu 10 km, Shibetsu
10000m
32:17.58-Jul 7Abashiri Hokuren Distance Challenge, Abashiri
3000m
9:07.21-Jul 4Kitami Hokuren Distance Challenge, Kitami
5000m
15:53.29-Jun 10Japanese Championships, Osaka
1500m
4:25.51-May 20Amagasaki Kansai Jitsugyodan Ch., Amagasaki
5000m
15:47.62-May 19Amagasaki Kansai Jitsugyodan Ch., Amagasaki
5000m
15:33.80-May 12Nobeoka Golden Games, Nobeoka
5000m
15:31.72-May 3Shizuoka International Meeting, Shizuoka
5000m
15:50.47-Apr 7Kumamoto Kanaguri Memorial, Kumamoto
Semi
1:10:48-Mar 18Yamaguchi Japan Industrial Teams Half Marathon Championships, Yamaguchi

2011

5 performances
DisciplineResultWindDateCompetitions
5000m
15:48.09-Nov 19Yokohama Nittai University Time Trials, Yokohama
5000m
15:58.00-Oct 7Yamaguchi 66th Kokutai, Yamaguchi
5000m
16:21.45-Jun 12Japanese Championships
5000m
15:47.62-Apr 29Hiroshima Mikio Oda Memorial, Hiroshima
CrossCount
28:37-Mar 2039th IAAF World Cross Country Championships, Punta Umbria

2010

5 performances
DisciplineResultWindDateCompetitions
5000m
15:43.24-Nov 21Yokohama Nittai University Time Trials, Yokohama
10Kilometr
33:51-Jul 25Shibetsu 10km, Shibetsu
5000m
15:54.11-Jul 9Kyoto
5000m
16:09.53-Jun 6Japanese Championships
5000m
15:58.98-May 15Marugame

2009

8 performances
DisciplineResultWindDateCompetitions
5000m
16:30.03-Sep 27Okayama
5000m
15:54.53-Jun 10Fugokawa Hokuren Distance Challenge, Fugokawa
5000m
15:44.70-May 30Nobeoka Golden Games, Nobeoka
5000m
15:54.11-May 16Amagasaki Kansai Ch., Amagasaki
1500m
4:26.19-May 16Amagasaki Kansai Ch., Amagasaki
5000m
16:31.89-Apr 4Kumamoto Kanaguri Memorial, Kumamoto
Semi
1:13:20-Mar 15Matsue Women's Half Marathon, Matsue
10Kilometr
32:56-Feb 8Karatsu 10-Miler, Karatsu

2008

4 performances
DisciplineResultWindDateCompetitions
10Kilometr
33:47-Dec 23Okayama
5000m
16:15.61-Sep 27Yamagata Corporate Ch., Yamagata
5000m
15:56.98-Sep 26Yamagata Corporate Ch., Yamagata
5000m
16:58.24-Jun 14Amagasaki

2007

2 performances
DisciplineResultWindDateCompetitions
5000m
15:57.76-Oct 13Kobe Distance Meet, Kobe
3000m
9:16.1HT-Oct 6Takamatsu

Honours

No medals

FAQ

Frequently asked questions

What is Ai Igarashi's 10 000 m personal best?

Ai Igarashi's 10 000 m personal best is 32:17.58, set on Jul 7, 2012 in Abashiri (JPN), #989 on the all-time list.

Which events does Ai Igarashi compete in?

Ai Igarashi competes in the 10 000 m and Half Marathon.

How did Ai Igarashi perform in 2016?

2016 season best: 16:09.22, set on Jul 14, 2016 in Kitami (JPN).