The British swimming champions over 200 metres backstroke, formerly the (Amateur Swimming Association (ASA) National Championships) are listed below.
[1][2] The event was originally contested over 220 yards and then switched to the metric conversion of 200 metres in 1971.
Kathy Read (married name Osher) has won a record number of senior National titles (29), which includes eleven 200 metres backstroke titles.
[3]