is a Japanese track and field sprinter who specialises in the 200 metres. He represented his country at two consecutive World Championships, in 2011 and 2013.

His mother Sumiko Kobayashi (née Kaibara) is a gold medalist in the 200 metres and 4 × 100 metres relay at the 1979 Asian Championships in Tokyo. She was also the former Japanese record holder in the 200 metres with a time of 24.27 seconds.

Personal bests EventTime (s)CompetitionVenueDateNotes100 m10.38 (wind: +1.5 m/s)Niigata Corporate ChampionshipsNiigata, Japan22 May 201610.33 (wind: +3.0 m/s)Tokyo Six University MeetTokyo, Japan5 April 2009Wind-assisted200 m20.46 (wind: +0.9 m/s)National ChampionshipsChōfu, Japan9 June 2013

International competition YearCompetitionVenuePositionEventTimeNotesRepresenting 2006Asian Junior ChampionshipsMacau, China7th200 m22.07 (wind: -0.9 m/s)2008World Junior ChampionshipsBydgoszcz, Poland49th (h)100 m10.97 (wind: -0.7 m/s)4th4×100 m relay39.89 (relay leg: 4th)2011Asian ChampionshipsKobe, Hyogo20th (h)200 m32.11 (wind: +2.1 m/s)1st (h)4×100 m relay38.92 (relay leg: 1st)World ChampionshipsDaegu, South Korea46th (h)200 m21.27 (wind: -1.1 m/s)9th (h)4×100 m relay38.66 (relay leg: 1st)2013Asian ChampionshipsPune, India5th200 m21.02 (wind: +0.7 m/s)2nd4×100 m relay39.11 (relay leg: 1st)World ChampionshipsMoscow, Russia34th (h)200 m20.97 (wind: +0.2 m/s)2014World RelaysNassau, Bahamas9th (h)4×200 m relay1:23.87 (relay leg: 1st)

National titles YearCompetitionVenueEventTimeNotesRepresenting Hozen High School and Tokyo (National Sports Festival only)2007National High School ChampionshipsSaga, Saga100 m10.56 (wind: +0.7 m/s)200 m21.98 (wind: -4.3 m/s)National Sports FestivalAkita, Akita100 m (U19)10.35 (wind: +4.1 m/s)4×100 m relay40.51 (relay leg: 4th)National Junior ChampionshipsOita, Oita200 m21.27 (wind: -0.5 m/s)Representing Hosei University2010National University ChampionshipsShinjuku, Tokyo200 m20.52 (wind: +3.8 m/s)2011National University Individual ChampionshipsHiratsuka, kanagawa200 m20.90 (wind: +0.8 m/s)

References

External links

Yuichi Kobayashi at JAAF