KJ
Kenichi Jiromaru

Kenichi Jiromaru

JPNJPNMen
Birth dateOct 1, 1984
Height-
Weight-

Kenichi Jiromaru is a Japan long-distance runner, born on October 1, 1984. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 13:57.57 in the 5000m, 28:16.49 in the 10000m, 1:03:44 in the Semi, 2:14:48 in the Marathon and 30:02 in the 10Kilometr. He is currently active on the international athletics circuit, representing Japan.

Key facts
10 000 m
28:16.49
10 Miles Road
47:14
2019 season best
1:11:55
Dec 15, 2019 · Chon Buri (THA)
2019 season best
Last competition
Bangsaen21 Half Marathon, Chon Buri
Dec 15, 2019 · 1:11:55
Bangsaen21 Half Marathon, Chon Buri
Age
41 years old

As of Sep 19, 2026: 10 000 m 28:16.49, 10 Miles Road 47:14, 2019 season best 1:11:55 (Dec 15, 2019, Chon Buri (THA)) · Last competition: Bangsaen21 Half Marathon, Chon Buri, Dec 15, 2019, 1:11:55 · 41 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2019
Semi
1:11:55-Dec 15, 2019
↓
Bangsaen21 Half Marathon, Chon Buri
2019
Marathon
2:24:10-Sep 8, 2019
↓
Taiyuan International Marathon, Taiyuan
2018
5000m
14:50.26-Apr 7, 2018
↓
Kumamoto (JPN)
2018
Marathon
2:14:48-Feb 25, 2018
↓
Tokyo Marathon
2017
10Kilometr
30:02-Oct 15, 2017-Tokyo (JPN)
2017
10000m
30:12.79-Sep 23, 2017
↓
Yokohama (JPN)
2017
Semi
1:04:05-Feb 5, 2017
↓
Yokohama (JPN)
2017
Marathon
2:18:11-Aug 27, 2017
↓
Sapporo (JPN)
2014
10MilesRoa
48:40-Feb 9, 2014
↓
Karatsu (JPN)
2014
Marathon
2:15:24-Mar 2, 2014
↓
Otsu (JPN)
2012
5000m
14:11.43-Apr 15, 2012
↓
Yokohama (JPN)
2012
10000m
29:09.99-Nov 17, 2012
↓
Yokohama (JPN)
2011
10000m
28:16.49-Jun 25, 2011
↓
Fukagawa (JPN)
2010
5000m
13:57.57-Apr 19, 2010
↓
Yokohama (JPN)
2010
10000m
28:42.17-Jun 17, 2010
↓
Fugokawa (JPN)
2010
Semi
1:03:44-Jan 11, 2010
↓
Oita (JPN)
2009
10MilesRoa
47:14-Dec 6, 2009
↓
Kosa (JPN)
2006
Semi
1:05:44-May 14, 2006
↓
Sendai (JPN)
2005
Semi
1:03:46-Nov 20, 2005
↓
Ageo (JPN)
2004
Semi
1:04:23-Nov 21, 2004
↓
Ageo (JPN)
2003
Semi
1:04:29-Nov 16, 2003
↓
Ageo (JPN)

2019

3 performances
DisciplineResultWindDateCompetitions
Semi
1:11:55-Dec 15Bangsaen21 Half Marathon, Chon Buri
Marathon
2:26:47-Dec 1International Marathon, Macao
Marathon
2:24:10-Sep 8Taiyuan International Marathon, Taiyuan

2018

3 performances
DisciplineResultWindDateCompetitions
5000m
14:50.26-Apr 7Kumamoto Kanaguri Memorial, Kumamoto
Marathon
2:14:48-Feb 25Tokyo Marathon
Marathon
2:22:11-Jan 26Dubai Standard Chartered Marathon

2017

5 performances
DisciplineResultWindDateCompetitions
10Kilometr
30:02-Oct 15Tokyo 10 km, Tokyo
10000m
30:12.79-Sep 23Yokohama Nittai University Distance Meet, Yokohama
Marathon
2:18:11-Aug 27Sapporo Hokkaido Marathon, Sapporo
Marathon
2:21:36-Feb 26Tokyo Marathon
Semi
1:04:05-Feb 5Half Marathon, Yokohama

2014

2 performances
DisciplineResultWindDateCompetitions
Marathon
2:15:24-Mar 2Otsu Lake Biwa Marathon, Otsu
10MilesRoa
48:40-Feb 9Karatsu 10-Miler, Karatsu

2012

4 performances
DisciplineResultWindDateCompetitions
10000m
29:09.99-Nov 17Yokohama Nittai University Time Trials, Yokohama
10000m
30:18.47-Jun 9Japanese Championships
10000m
30:02.64-Apr 21Kobe Hyogo Relays, Kobe
5000m
14:11.43-Apr 15Yokohama Nittai University Time Trials, Yokohama

2011

2 performances
DisciplineResultWindDateCompetitions
10000m
29:29.47-Nov 19Yokohama Nittai University Time Trials, Yokohama
10000m
28:16.49-Jun 25Fukagawa Hokuren Distance Challenge, Fukagawa

2010

3 performances
DisciplineResultWindDateCompetitions
10000m
28:42.17-Jun 17Fugokawa Hokuren Distance Challenge, Fugokawa
5000m
13:57.57-Apr 19Yokohama
Semi
1:03:44-Jan 11Oita Godo Half Marathon, Oita

2009

1 performance
DisciplineResultWindDateCompetitions
10MilesRoa
47:14-Dec 6Kosa 10 Miles, Kosa

2006

1 performance
DisciplineResultWindDateCompetitions
Semi
1:05:44-May 14Sendai International Half Marathon, Sendai

2005

1 performance
DisciplineResultWindDateCompetitions
Semi
1:03:46-Nov 20Half Marathon, Ageo

2004

2 performances
DisciplineResultWindDateCompetitions
Semi
1:04:23-Nov 21Half Marathon, Ageo
Semi
1:05:48-Mar 14Half Marathon, Tachikawa

2003

1 performance
DisciplineResultWindDateCompetitions
Semi
1:04:29-Nov 16Half Marathon, Ageo

Honours

No medals

FAQ

Frequently asked questions

What is Kenichi Jiromaru's 10 000 m personal best?

Kenichi Jiromaru's 10 000 m personal best is 28:16.49, set on Jun 25, 2011 in Fukagawa (JPN).

Which events does Kenichi Jiromaru compete in?

Kenichi Jiromaru competes in the 10 000 m and 10 Miles Road.

How did Kenichi Jiromaru perform in 2019?

2019 season best: 1:11:55, set on Dec 15, 2019 in Chon Buri (THA). Last competition: Bangsaen21 Half Marathon, Chon Buri on Dec 15, 2019, 1:11:55.