Yuki Yamaguchi

Nationality Japan

Born22 February 1984 (1984-02-22) (age 42)

Maizuru, Kyoto Prefecture, Japan

Height1.74 m (5 ft 9 in)

Weight62 kg (137 lb)

Yūki Yamaguchi

Personal information
Nationality	Japan
Born	22 February 1984 (1984-02-22) (age 42) 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.^[1]