Résultats
| Place | # | Nageur | Temps |
|---|---|---|---|
| 1 | 6 |  Jiayu Xu | 52.02 |
| 2 | 5 |  Apostolos Christou | 52.77 |
| 3 | 7 |  Oliver Morgan | 52.85 |
| 4 | 4 |  Hubert Kos | 52.98 |
| 5 | 2 |  Hunter Armstrong | 53.11 |
| 6 | 3 |  Ksawery Masiuk | 53.44 |
| 7 | 1 |  Mewen Tomac | 53.63 |
| 8 | 8 |  Blake Tierney | 53.71 |
| Place | # | Nageur | Temps |
|---|---|---|---|
| 1 | 6 | Jiayu Xu | 52.02 |
| 2 | 5 | Apostolos Christou | 52.77 |
| 3 | 7 | Oliver Morgan | 52.85 |
| 4 | 4 | Hubert Kos | 52.98 |
| 5 | 2 | Hunter Armstrong | 53.11 |
| 6 | 3 | Ksawery Masiuk | 53.44 |
| 7 | 1 | Mewen Tomac | 53.63 |
| 8 | 8 | Blake Tierney | 53.71 |