日本男子が初めてオリンピックの400Ｍリレーでメダルを取得したのはいつ
The 4×100 metres relay at the Summer Olympics is the shortest track relay event held at the multi-sport event. The men's relay has been present on the Olympic athletics programme since 1912 and the women's event has been continuously held since the 1928 Olympic Games in Amsterdam. It is the most prestigious 4×100 m relay race at elite level.
1912