Yuki Yamaguchi

Yuki Yamaguchi (山口 有希) 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.

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)


 * with Kazunori Ōta, Yoshihiro Horigome, and Kenji Narisako