Swimming at the 1912 Summer Olympics – Men's 400 metre breaststroke

The men's 400 metre breaststroke was a swimming event held as part of the swimming at the 1912 Summer Olympics programme. It was the second appearance of the event, which had been introduced (as the 440 yard breaststroke) in 1904. The competition was held from Monday July 8, 1912 to Friday July 12, 1912. Seventeen swimmers from ten nations competed.

Swimming at the 1912 Summer Olympics – Men's 400 metre breaststroke

The men's 400 metre breaststroke was a swimming event held as part of the swimming at the 1912 Summer Olympics programme. It was the second appearance of the event, which had been introduced (as the 440 yard breaststroke) in 1904. The competition was held from Monday July 8, 1912 to Friday July 12, 1912. Seventeen swimmers from ten nations competed.