(1909 – June 15, 1990) was a Japanese swimmer who competed at the 1928 Summer Olympics in Amsterdam. Arai was a member of the Japanese team which won the silver medal for the 4 × 200 meter freestyle relay event at the 1928 Amsterdam Olympics. He placed fourth in the semifinal of the 1500 meter freestyle event, but did not advance to the finals. He also qualified for the semifinals of the 400 meter freestyle event, but did not start. External links Olympic profile 1909 births 1990 deaths Olympic swimmers of Japan Swimmers at the 1928 Summer Olympics Olympic silver medalists for Japan Japanese male freestyle swimmers Medalists at the 1928 Summer Olympics Olympic silver medalists in swimming 20th-century Japanese people