| Rank | Lane | Name | Nationality | Time | Notes |
| - | 5 | Horton, MackMack Horton | Australia | 3:41.55 | - |
| - | 6 | Sun Yang | China | 3:41.68 | - |
| - | 3 | Detti, GabrieleGabriele Detti | Italy | 3:43.49 | - |
| 4 | 4 | Dwyer, ConorConor Dwyer | United States | 3:44.01 | - |
| 5 | 1 | Jaeger, ConnorConnor Jaeger | United States | 3:44.16 | - |
| 6 | 7 | Guy, JamesJames Guy | Great Britain | 3:44.68 | - |
| 7 | 2 | McKeon, DavidDavid McKeon | Australia | 3:45.28 | - |
| 8 | 8 | Pothain, JordanJordan Pothain | France | 3:49.07 | - |