Junya Koga
Introduction  is a Japanese backstroke swimmer. He is a Waseda University student in Tokyo.In May 2009, he set the Japanese records in the 50 m and 100 m backstrokes at the 2009 Japan Championships, qualifying for Japan's team to the 2009 World Championships.
Personal bests In long course* 50m backstroke 24.24 '''Asian record''' (August 1, 2009)* 100m backstroke 52.26 (July 28, 2009)
References *  Koga's profile from TV Asahi; retrieved 2009-07-29.
External links * JunyaKoga official site* official blog(じゅんやこがの夢のような日記)