Toshio Furukawa | Masaru Ibuka | Yūta Furukawa | Tomo Furukawa | Masaru Tomita | Masaru Kato | Masaru Hashimoto | Masaru Emoto | Masaru Arai | Furukawa |
The Japanese 4×100 metres medley relay team of Keiji Hase (backstroke), Masaru Furukawa (breaststroke), Manabu Koga (freestyle) and Takashi Ishimoto (butterfly) won the gold medal with a time of 4:17.2 and broke the world record.