Yuki Yamaguchi

For the basketball player born in 1986, see fr:Yuki Yamaguchi (basket-ball).

Yūki Yamaguchi

Personal information
Nationality	Japan
Born	22 February 1984 (1984-02-22) (age 40) Maizuru, Kyoto Prefecture, Japan
Height	1.74 m (5 ft 9 in)
Weight	62 kg (137 lb)
Sport
Sport	Track and field
Event	400 m
University team	Tokai University
Retired	2012
Now coaching	East Maizuru High School Track and Field Club
Achievements and titles
Personal best	400 m: 45.18 (Fukuroi 2003) NJR
Medal record Men's athletics Representing Japan Asian Championships 2005 Incheon 4×400 m relay 2003 Manila 4×400 m relay 2003 Manila 400 m East Asian Games 2005 Macau 4×400 m relay Universiade 2005 İzmir 4×400 m relay 2005 İzmir 400 m

Yuki Yamaguchi (山口 有希, Yamaguchi Yūki, born 22 February 1984 in Maizuru, Kyoto) is a former Japanese sprinter who specialised in the 400 metres.

His personal best time was 45.18 seconds, achieved in the 2003 National Sports Festival of Japan in Fukuroi. This is the current Japanese junior record.

Personal bests

Event	Time	Venue	Date	Notes
400 m	45.18 s	Fukuroi, Japan	29 October 2003	Japan's 5th-fastest time

Records

• 400 metres
  • Current Japanese junior record holder - 45.18 s (Fukuroi, 29 October 2003)
• 4×400 m relay
  • Current Japanese university record holder - 3:03.20 s (relay leg: 3rd) (İzmir, 20 August 2005)^[a]

^a with Kazunori Ōta, Yoshihiro Horigome, and Kenji Narisako

International competition record

Year	Competition	Venue	Position	Event	Notes
Representing Japan
2002	World Junior Championships	Kingston, Jamaica	23rd (h)	400 m	47.74
			3rd	4×400 m relay	3:05.80 (relay leg: 3rd) AJR
	Asian Junior Championships	Bangkok, Thailand	1st	400 m	47.11
			1st	4×400 m relay	3:07.51 (relay leg: 2nd)
2003	World Championships	Saint-Denis, France	7th	4×400 m relay	3:03.15 (relay leg: 1st)
	Asian Championships	Manila, Philippines	3rd	400 m	46.18
			2nd	4×400 m relay	3:03.59 (relay leg: 1st)
2004	Olympic Games	Athens, Greece	31st (h)	400 m	46.16
			4th	4×400 m relay	3:00.99 (relay leg: 1st)
2005	Universiade	İzmir, Turkey	3rd	400 m	46.15
			2nd	4×400 m relay	3:03.20 (relay leg: 3rd) NUR
	Asian Championships	Incheon, South Korea	5th	400 m	46.65
			1st	4×400 m relay	3:03.51 (relay leg: 1st)
	East Asian Games	Macau, China	1st	4×400 m relay	3:07.70 (relay leg: 1st)
2006	Asian Games	Doha, Qatar	6th	400 m	47.13
2007	World Championships	Osaka, Japan	40th (h)	400 m	46.28
			10th (h)	4×400 m relay	3:02.76 (relay leg: 1st)

External links

• Yuki Yamaguchi at World Athletics
• Yuki Yamaguchi at Olympedia
• Yūki Yamaguchi at Olympics at Sports-Reference.com (archived)
• Yūki Yamaguchi at JAAF (in Japanese)