Yuichi Kobayashi
Yuichi Kobayashi 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 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.