Runa Imai is a competitive swimmer that represents Japan internationally.
2016 Olympic Games
In Rio, Imai swam the 200 IM, where she qualified 11th in the prelims and swam to 15th overall in the semi finals.
2018 Short Course World Championships
In Hangzhou, Imai won her first major international medal, garnering a silver behind Katinka Hosszu in the 100 IM (57.85).
At the 2019 World University Games in Naples, Imai scored a bronze medal in the 200 IM, touching in 3rd with a time of 2:12.25.