| Name | Mannschaft | Zeit | ||
|---|---|---|---|---|
| 1 |  | Caeleb Dressel | Caeleb Remel Dressel | 50.39s |
| 2 |  | Jakub Majerski | Jakub Majerski | +0.58s |
| 3 |  | Andrei Minakov | Andrei Minakov | +0.61s |
| 4 | | Thomas Shields | Tom Shields | +1.18s |
| 5 | | Mikhail Vekovishchev | Mikhail Vekovishchev | +1.50s |
| 6 |  | Jacob Peters | Jacob Peters | +1.68s |
| 7 |  | David Morgan | David Morgan | +1.92s |
| 8 | | James Guy | James Guy | DNS |
| # | Land | Gold | Silber | Bronze | Gesamt | |
|---|---|---|---|---|---|---|
| 1 | | USA | 39 | 41 | 33 | 113 |
| 2 |  | China | 38 | 32 | 19 | 89 |
| 3 |  | Japan | 27 | 14 | 17 | 58 |
| 4 | | Grossbritannien | 22 | 20 | 22 | 64 |
| 5 | | Russian Olympic Committee | 20 | 28 | 23 | 71 |
| 6 | | Australien | 17 | 7 | 22 | 46 |
| 7 |  | Niederlande | 10 | 12 | 14 | 36 |
| 24 |  | Schweiz | 3 | 4 | 6 | 13 |
