Schwimmen 100m Rücken | 100m Rücken (F) | 26.07. 04:53 | 1. Halbfinale
| # | Name | Zeit | |
|---|---|---|---|
| 1 |  | Regan Smith | 57.86s |
| 2 | | Rhyan White | +0.60s |
| 3 |  | Kathleen Dawson | +0.70s |
| 4 |  | Anastasya Gorbenko | +1.44s |
| 5 |  | Mariia Kameneva | +1.63s |
| 6 |  | Margherita Panziera | +1.89s |
| 7 |  | Anna Konishi | +2.21s |
| 8 | | Cassie Wild | +2.34s |