is a Japanese retired track and field sprinter who specialized in the 400 metres. His personal best in the event was 46.00 seconds set in Tokyo in 2013. He competed in the 4 × 400 metres relay at the 2013 World Championships.
Personal best EventTime (s)CompetitionVenueDate400 m46.00Japanese ChampionshipsChōfu, Japan8 June 2013
International competition YearCompetitionVenuePositionEventTimeNotesRepresenting 2010Asian Junior ChampionshipsHanoi, Vietnam5th400 m48.552nd4×400 m relay3:12.14 (relay leg: 4th)2013UniversiadeKazan, Russia13th (sf)400 m46.905th4×400 m relay3:06.58 (relay leg: 4th)World ChampionshipsMoscow, Russia9th (h)4×400 m relay3:02.43 (relay leg: 1st)East Asian GamesTianjin, China400 m47.402nd4×400 m relay3:07.32 (relay leg: 1st)2014World Indoor ChampionshipsSopot, Poland10th (h)4×400 m relay3:12.63 (relay leg: 1st)
National titles YearCompetitionVenueEventTimeRepresenting Saitama Sakae High School and Ibaraki (National Sports Festival only)2009National High School ChampionshipsNara, Nara400 m46.834×400 m relay3:12.38 (relay leg: 4th)National Sports FestivalNiigata, Niigata400 m (U19)46.94National Junior ChampionshipsKōfu, Yamanashi400 m46.982010National High School ChampionshipsOkinawa, Okinawa400 m47.79National Junior ChampionshipsNagoya, Aichi400 m47.63Representing Nihon University2013National University ChampionshipsShinjuku, Tokyo400 m46.65
References
External links
Kengo Yamasaki at JAAF Kengo Yamasaki at TBS Kengo Yamasaki at Monteroza (archived)