KY
Ken Yoshizawa

Ken Yoshizawa

JPNJPNMen
Birth dateJul 7, 1978
Height-
Weight-

Ken Yoshizawa is a Japan sprinter, born on July 7, 1978. He competes primarily in the 200m, 400m and 400mH.

His personal bests include 21.52 in the 200m, 47.72 in the 400m, 48.85 in the 400mH and 36.08 in the 300MetresH. He is currently active on the international athletics circuit, representing Japan.

Key facts
400 m hurdles
48.85
#277 all-time
300 Metres Hurdles
36.08
2006 season best
51.58
May 6, 2006 · Osaka (JPN)
2006 season best
Age
48 years old

As of Sep 15, 2026: 400 m hurdles 48.85 (#277 all-time), 300 Metres Hurdles 36.08, 2006 season best 51.58 (May 6, 2006, Osaka (JPN)) · 48 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2006
400mH
51.58-May 6, 2006
↓
Osaka (JPN)
2005
400mH
49.69-Jun 3, 2005
↓
Japanese Championships
2004
400mH
48.85-Jul 10, 2004
↓
Fukuroi (JPN)
2003
400mH
49.79-Jul 20, 2003
↓
Mattou (JPN)
2002
200m
21.52+0.6Apr 9, 2002-Brisbane (AUS)
2002
300MetresH
36.08-Jun 30, 2002-Sheffield (GBR)
2002
400mH
48.98-Jun 8, 2002
↓
Kanazawa (JPN)
2001
400m
48.65-Apr 21, 2001
↓
Long Beach, CA (USA)
2001
400mH
49.55-Jul 15, 2001
↓
Kitakami (JPN)
2000
400mH
49.11-May 21, 2000
↓
Yokohama (JPN)
1999
400m
47.72-Sep 10, 1999
↓
Tokyo (JPN)
1999
400mH
49.44-Oct 25, 1999
↓
Kumamoto (JPN)
1998
400mH
50.28-May 17, 1998
↓
Yokohama (JPN)
1997
400mH
50.90-Oct 5, 1997
↓
Japanese Championships
1996
400mH
50.85-Apr 28, 1996
↓
Maebashi (JPN)

2006

3 performances
DisciplineResultWindDateCompetitions
400mH
53.93-Jun 30Japanese Championships, Kobe
400mH
51.58-May 6Osaka 2006 IAAF World Athletics Tour, Osaka
400mH
54.07-May 3Shizuoka International Meeting, Shizuoka

2005

12 performances
DisciplineResultWindDateCompetitions
400mH
50.88-Oct 23Okayama Kokutai National Sports Festival, Okayama
400mH
50.01-Sep 19Yokohama SEIKO Super Meet, Yokohama
400mH
50.73-Sep 4Incheon Asian Championships, Incheon
400mH
51.48-Sep 2Incheon Asian Championships, Incheon
400mH
50.13-Jun 26Osaka
400mH
50.16-Jun 25Chiba
400mH
51.32-Jun 4Japanese Championships, Tokyo
400mH
49.69-Jun 3Japanese Championships
400mH
50.87-Jun 2Japanese Championships, Tokyo
400mH
50.44-May 15Hitachinaka East Japan Corporate Ch., Hitachinaka
400mH
50.40-May 7Osaka IAAF Japan Grand Prix, Osaka
400mH
50.80-May 3Shizuoka International Meeting, Shizuoka

2004

10 performances
DisciplineResultWindDateCompetitions
400mH
51.04-Oct 10Maebashi Gunma Relays, Maebashi
400mH
51.11-Sep 23Yokohama SEIKO Super Meet, Yokohama
400mH
50.95-Aug 23The XXVIII Olympic Games, Olympic Stadium, Athina
400mH
50.95-Aug 18The XXVIII Olympic Games, Olympic Stadium, Athina
400mH
48.85-Jul 10Fukuroi
400mH
49.32-Jul 3Osaka
400mH
49.63-Jun 5Japanese Championships
400mH
49.93-Jun 4Japanese Championships, Tottori
400mH
50.38-May 3Shizuoka International Meeting, Shizuoka
400mH
52.43-Apr 25Narita

2003

17 performances
DisciplineResultWindDateCompetitions
400mH
50.14-Oct 28Fukuroi National Games, Fukuroi
400mH
50.74-Oct 27Fukuroi National Games, Fukuroi
400mH
50.92-Oct 27Fukuroi National Games, Fukuroi
400mH
51.95-Sep 27Okayama Japanese Corporate Ch., Okayama
400mH
50.42-Sep 27Okayama Japanese Corporate Ch., Okayama
400mH
50.96-Sep 23Yokohama Super Meet, Yokohama
400mH
50.69-Sep 6Singaporean Championships, Singapore
400mH
50.34-Aug 26IAAF World Championships
400mH
50.34-Aug 23IAAF World Championships
400mH
50.48-Aug 3Lappeenranta Karelia Games, Lappeenranta
400mH
50.28-Jul 30Tallinn Meeting 2003, Tallinn
400mH
49.79-Jul 20Mattou
400mH
50.10-Jun 7Japanese Championships
400mH
50.56-Jun 6Japanese Championships, Yokohama
400mH
50.91-May 18Sendai
400mH
51.20-May 10Osaka Japan Grand Prix, Osaka
400mH
50.90-May 3Shizuoka International Meeting, Shizuoka

2002

8 performances
DisciplineResultWindDateCompetitions
400mH
49.60-Oct 23Haruno
400mH
50.76-Oct 22Haruno
400mH
51.03-Oct 22Haruno
400mH
50.88-Oct 8Busan Asian Games
400mH
50.65-Oct 7Busan Asian Games, Busan
400mH
50.66-Sep 16Yokohama Super Meet, Yokohama
400mH
49.98-Aug 18La Chaux-de-Fonds
400mH
50.72-Jul 21Sapporo Nanbu Chuhei Memorial, Sapporo
Showing 1 - 50 of 110

Honours

5

Incheon Asian Championships

400 Metres Hurdles

2005
5

Incheon Asian Championships

400 Metres Hurdles

2005
6

Busan Asian Games

400 Metres Hurdles

2002
FAQ

Frequently asked questions

What is Ken Yoshizawa's 400 m hurdles personal best?

Ken Yoshizawa's 400 m hurdles personal best is 48.85, set on Jul 10, 2004 in Fukuroi (JPN), #277 on the all-time list.

Which events does Ken Yoshizawa compete in?

Ken Yoshizawa competes in the 400 m hurdles and 300 Metres Hurdles.

How did Ken Yoshizawa perform in 2006?

2006 season best: 51.58, set on May 6, 2006 in Osaka (JPN).