| 1 | Owen Widdis | 53.52 | 55.88 | 53.52 53.53 59.37 55.46 58.65 |
| 2 | Elijah Layne | 51.98 | 56.92 | 57.52 1:03.36 57.21 56.04 51.98 |
| 3 | Justin Sui | 1:01.95 | 1:08.10 | 1:01.95 1:17.83 1:12.76 1:09.46 1:02.08 |
| 4 | Ansel de Jong | 1:01.44 | 1:11.68 | 1:15.50 1:25.96 1:15.52 1:04.01 1:01.44 |
| 5 | Miles Reavis | 57.80 | 1:13.64 | 1:27.51 1:24.24 1:13.60 57.80 1:03.07 |
| 6 | Elliott Perkins | 1:07.64 | 1:17.85 | 1:26.63 1:22.51 1:07.64 1:21.44 1:09.60 |
| 7 | Seth Rowell | 1:11.54 | 1:19.04 | 1:17.84 1:22.57 1:16.71 1:11.54 1:40.16 |
| 8 | Brady Stinebrickner | 1:10.09 | 1:21.82 | 1:10.09 1:23.76 1:25.11 1:27.21 1:16.58 |
| 9 | James Hildreth | 1:20.53 | 1:25.72 | 1:20.67 1:33.41 1:20.53 1:31.17 1:25.31 |
| 10 | Tyler Rose | 1:27.74 | 1:30.31 | 1:32.07 1:27.74 1:30.50 1:28.35 1:43.33 |
| 11 | Yuxuan Chen | 1:30.42 | 1:41.57 | 1:36.60 1:49.03 1:39.07 1:52.42 1:30.42 |
| 12 | César Eduardo Loredo Rubio | 1:41.91 | 1:58.67 | 1:55.83 1:41.91 2:12.35 2:02.90 1:57.27 |
| 13 | Doug Li | 2:05.82 | 2:19.72 | 2:05.82 2:33.97 2:24.35 2:16.69 2:18.11 |
| 14 | Shiv Ramamurthy | 2:18.45 | 2:27.15 | 3:42.63 2:18.45 2:35.56 2:26.77 2:19.13 |
| 15 | Landon Phelps | 3:17.72 | — | 3:17.72 4:31.59 — — — |
| 16 | Miles Grant | DNF | — | DNF DNF — — — |