Junya Koga
Junya Koga is a Japanese backstroke swimmer. He is a Waseda University student in Tokyo.
In May 2009, he set the Japanese records in swimming|Japanese records] in the 50 m and 100 m backstrokes at the 2009 Japan Championships, qualifying for Japan's team to the Swimming at the 2009 [World Aquatics Championships|2009 World Championships].
Personal bests
In long course- 50m backstroke 24.24 List of [Asian records in swimming|Asian record]
- 100m backstroke 52.26