Hiroyuki Hayashi

Birth dateSep 5, 1973

Height-

Weight-

Hiroyuki Hayashi is a Japan sprinter, born on September 5, 1973. He competes primarily in the 400m, 4x400m and 4x400Metre.

His personal bests include 45.81 in the 400m, 3:03.85 in the 4x400m, 3:07.30 in the 4x400Metre and 46.83 in the 400m-short-track. He has earned 3 bronze medals in major international competitions. He is currently active on the international athletics circuit, representing Japan.

Key facts

400 m

45.81

1999 season best

45.81

May 13, 1999

1999 season best

Age

53 years old

As of Sep 17, 2026: 400 m 45.81, 1999 season best 45.81 (May 13, 1999) · 53 years old

Personal bests

45.81

3:03.85

3:07.30

46.83

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
1999	400m	45.81	-	May 13, 1999	↑	-
1998	400m	46.93	-	May 5, 1998	↑	-
1997	400m-short-track	46.83	-	Mar 1, 1997	↑	-
1997	400m	47.13	-	Jun 6, 1997	↑	-
1997	4x400m	3:03.85	-	Aug 9, 1997	↑	IAAF World Championships, Olympic Stadium, Athina
1996	400m	46.55	-	Sep 16, 1996	↑	-
1995	400m	46.37	-	Jul 30, 1995	↑	-
1995	400m-short-track	48.07	-	Mar 10, 1995	↑	IAAF World Indoor Championships
1995	4x400Metre	3:09.73	-	Mar 12, 1995	↓	IAAF World Indoor Championships
1993	4x400Metre	3:07.30	-	Mar 13, 1993	↓	IAAF World Indoor Championships, The Sky Dome, Toronto (i)
1992	400m	47.50	-	Sep 17, 1992	↑	-
1992	4x400m	3:06.66	-	Sep 20, 1992	↑	-

Discipline	Result	Wind	Date	Competitions
400m	45.81	-	May 13	Osaka

Discipline	Result	Wind	Date	Competitions
400m	47.00	-	Oct 1	Kumamoto Japanese Championships, Kumamoto
400m	48.03	-	Oct 1	Kumamoto Japanese Championships, Kumamoto
400m	46.93	-	May 5	Mito
400m	47.15	-	Apr 26	Maebashi Gunma Relays CE, Maebashi

Discipline	Result	Wind	Date	Competitions
400m	48.55	-	Sep 6	Tokyo Toto Super Meet, Tokyo
4x400m	3:03.85	-	Aug 9	IAAF World Championships, Olympic Stadium, Athina
4x400m	3:03.85	-	Aug 2	IAAF World Championships, Olympic Stadium, Athina
400m	47.13	-	Jun 6	Houston Rice AC, Houston, TX
400m-short-track	46.83	-	Mar 1	Yokohama (i)
400m-short-track	47.66	-	Feb 8	Maebashi Gunma International, Maebashi (i)

Discipline	Result	Wind	Date	Competitions
400m	46.55	-	Sep 16	Tokyo Toto Super Meet, Tokyo

Discipline	Result	Wind	Date	Competitions
400m	46.37	-	Jul 30	Sapporo
4x400Metre	3:09.73	-	Mar 12	IAAF World Indoor Championships
400m-short-track	48.07	-	Mar 10	IAAF World Indoor Championships
4x400Metre	3:09.73	-	Mar 10	IAAF World Indoor Championships

Discipline	Result	Wind	Date	Competitions
4x400Metre	3:07.30	-	Mar 13	IAAF World Indoor Championships, The Sky Dome, Toronto (i)
4x400Metre	3:07.30	-	Mar 12	IAAF World Indoor Championships, The Sky Dome, Toronto (i)

Discipline	Result	Wind	Date	Competitions
4x400m	3:06.66	-	Sep 20	Seoul IAAF World Junior Championships, Olympic Stadium, Seoul
4x400m	3:07.27	-	Sep 19	Seoul IAAF World Junior Championships, Olympic Stadium, Seoul
400m	47.50	-	Sep 17	Seoul IAAF World Junior Championships, Olympic Stadium, Seoul
400m	47.81	-	Sep 16	Seoul IAAF World Junior Championships, Olympic Stadium, Seoul

FAQ

Frequently asked questions

What is Hiroyuki Hayashi's 400 m personal best?

Hiroyuki Hayashi's 400 m personal best is 45.81, set on May 13, 1999 in Osaka (JPN).

Which events does Hiroyuki Hayashi compete in?

Hiroyuki Hayashi competes in the 400 m.

How did Hiroyuki Hayashi perform in 1999?

1999 season best: 45.81, set on May 13, 1999.

Hiroyuki Hayashi

Personal bests

Performance Charts

Season bests

1999

1998

1997

1996

1995

1993

1992

Honours

Frequently asked questions