Jun-il Son

Birth dateOct 6, 1969

Height-

Weight-

Jun-il Son is a South Korea sprinter, born on October 6, 1969. He competes primarily in the 200m, 400m and 4x400m.

His personal bests include 21.22 in the 200m, 45.37 in the 400m, 3:10.19 in the 4x400m and 46.88 in the 400m-short-track. He has earned 2 gold and 2 silver medals in major international competitions. He is currently active on the international athletics circuit, representing South Korea.

Key facts

400 m

45.37

#784 all-time

1999 season best

46.87

May 13, 1999 · Doha (QAT)

1999 season best

Record

National record · 400 m 45.37

National record

Age

56 years old

As of Sep 13, 2026: 400 m 45.37 (#784 all-time), 1999 season best 46.87 (May 13, 1999, Doha (QAT)) · National record (400 m) · 56 years old

Personal bests

21.22

45.37

3:10.19

46.88

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
1999	200m	21.50	+0.0	May 2, 1999	↓	Daejeon (KOR)
1999	400m	46.87	-	May 13, 1999	↓	Doha (QAT)
1998	200m	21.22	+0.0	May 4, 1998	↓	Yeochun (KOR)
1998	400m	45.99	-	Jun 10, 1998	↓	Korean Championships
1997	400m	45.84	-	May 16, 1997	↓	Busan (KOR)
1996	400m	46.74	-	Jul 26, 1996	↓	The XXVI Olympic Games, Olympic Stadium, Atlanta, GA
1996	400m-short-track	46.88	-	Feb 27, 1996	↑	Tianjin (CHN) (i)
1995	400m	45.49	-	Jun 16, 1995	↓	Seoul (KOR)
1995	400m-short-track	46.90	-	Mar 12, 1995	↑	IAAF World Indoor Championships
1994	400m	45.37	-	Jun 17, 1994	↓	Seoul (KOR)
1994	4x400m	3:10.19	-	Oct 16, 1994	-	Hiroshima (JPN)
1993	400m	46.47	-	Dec 4, 1993	↓	Manila (PHI)

Discipline	Result	Wind	Date	Competitions
400m	48.22	-	Oct 14	Incheon Korean National Sports Games, Incheon
400m	46.87	-	May 13	Doha IAAF Grand Prix, Doha
200m	21.50	+0.0	May 2	Daejeon

Discipline	Result	Wind	Date	Competitions
400m	46.19	-	Dec 14	Bangkok Asian Games, Bangkok
400m	46.55	-	Dec 13	Bangkok Asian Games, Bangkok
400m	47.51	-	Dec 13	Bangkok Asian Games, Bangkok
200m	21.45	+0.0	Nov 30	Brisbane
400m	46.27	-	Jul 20	Fukuoka Asian Championships, Fukuoka
400m	45.99	-	Jun 10	Korean Championships
400m	46.58	-	May 23	Kaohsiung Brand's Cup, Kaohsiung
200m	21.22	+0.0	May 4	Yeochun

Discipline	Result	Wind	Date	Competitions
400m	47.47	-	Aug 3	IAAF World Championships, Olympic Stadium, Athina
400m	47.36	-	Aug 3	IAAF World Championships, Olympic Stadium, Athina
400m	47.36	-	Aug 2	IAAF World Championships, Olympic Stadium, Athina
400m	47.47	-	Aug 2	IAAF World Championships, Olympic Stadium, Athina
400m	45.84	-	May 16	Busan 2nd East Asian Games, Busan

Discipline	Result	Wind	Date	Competitions
400m	46.74	-	Jul 26	The XXVI Olympic Games, Olympic Stadium, Atlanta, GA
400m	47.04	-	May 21	Korean Championships
400m-short-track	46.88	-	Feb 27	Tianjin CHN-JAP-KOR, Tianjin (i)

Discipline	Result	Wind	Date	Competitions
400m	46.31	-	Aug 6	IAAF World Championships
400m	46.31	-	Aug 5	IAAF World Championships
400m	46.41	-	Aug 5	IAAF World Championships
400m	45.49	-	Jun 16	Seoul
400m-short-track	46.90	-	Mar 12	IAAF World Indoor Championships
400m-short-track	47.48	-	Mar 11	IAAF World Indoor Championships
400m-short-track	47.48	-	Mar 10	IAAF World Indoor Championships
400m-short-track	46.90	-	Mar 10	IAAF World Indoor Championships
400m-short-track	47.74	-	Mar 10	IAAF World Indoor Championships

Discipline	Result	Wind	Date	Competitions
4x400m	3:10.19	-	Oct 16	Hiroshima Asian Games, Hiroshima
400m	45.87	-	Oct 12	Hiroshima Asian Games, Hiroshima
400m	45.37	-	Jun 17	Seoul Korean Championships, Seoul

Discipline	Result	Wind	Date	Competitions
400m	46.47	-	Dec 4	Manila Asian Championships, Manila

FAQ

Frequently asked questions

What is Jun-il Son's 400 m personal best?

Jun-il Son's 400 m personal best is 45.37, set on Jun 17, 1994 in Seoul (KOR), #784 on the all-time list.

Which events does Jun-il Son compete in?

Jun-il Son competes in the 400 m.

How did Jun-il Son perform in 1999?

1999 season best: 46.87, set on May 13, 1999 in Doha (QAT).

Jun-il Son

Personal bests

Performance Charts

Season bests

1999

1998

1997

1996

1995

1994

1993

Honours

Frequently asked questions