The women's 100 metre backstroke was a swimming event held as part of the swimming at the 1924 Summer Olympics programme. It was the first appearance of the event, as women only swam freestyle events before this Games. The competition was held on Saturday 19 July 1924, and on Sunday 20 July 1924.
These were the standing world and Olympic records (in minutes) prior to the 1924 Summer Olympics.
In the first heat Sybil Bauer set the first Olympic record with 1:24.0 minutes. In the final she bettered her own record to 1:23.2 minutes.
Saturday 19 July 1924: The fastest two in each semi-final and the faster of the two third-placed swimmer advanced to the final.
Semifinal 1
Semifinal 2
Sunday 20 July 1924: