Datasets:
| 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 - | |