Schwimmen 100m Rücken | 100m Rücken (M) | 28.07. 21:38 | 2. Halbfinale
| # | Name | Zeit | |
|---|---|---|---|
| 1 |  | Jiayu Xu | 52.02s |
| 2 |  | Apostolos Christou | +0.75s |
| 3 |  | Oliver Morgan | +0.83s |
| 4 |  | Hubert Kos | +0.96s |
| 5 |  | Hunter Armstrong | +1.09s |
| 6 |  | Ksawery Masiuk | +1.42s |
| 7 |  | Mewen Tomac | +1.61s |
| 8 |  | Blake Tierney | +1.69s |