Women's 100m Backstroke Semifinal 1
lundi 26 juillet 2021, 02h53 GMT – 07h53 GMT
| Nom | Temps | |
|---|---|---|
| 1 |  Regan Smith | 57.86″ |
| 2 | Rhyan Elizabeth White | + 0.6″ |
| 3 |  Kathleen Dawson | + 0.7″ |
| 4 |  Anastasya Gorbenko | + 1.44″ |
| 5 |  Mariia Kameneva | + 1.63″ |
| 6 |  Margherita Panziera | + 1.89″ |
| 7 |  Anna Konishi | + 2.21″ |
| 8 | Cassie Wild | + 2.34″ |