| 1 | Cham J. Chambers | 1:14.99 | 1:22.07 | 1:14.99 1:23.97 1:27.26 — — |
| 2 | Caleb Wolf Dunn | 1:28.83 | 1:33.02 | 1:34.47 1:35.76 1:28.83 — — |
| 3 | Ben Stokes | 1:42.06 | 1:42.99 | 1:43.96 1:42.96 1:42.06 — — |
| 4 | James Ballantine | 1:53.01 | 1:56.33 | 1:53.01 1:56.83 1:59.16 — — |
| 5 | Rufus Prabhu-Desai | 1:53.21 | 1:56.74 | 1:57.21 1:59.79 1:53.21 — — |
| 6 | Franklyn Bensley | 1:56.74 | 2:00.65 | 1:56.74 2:00.57 2:04.64 — — |
| 7 | Bella Campbell | 1:58.04 | 2:08.40 | 2:09.98 2:17.17 1:58.04 — — |
| 8 | Nevins Chan Pak Hoong (陈百鸿) | 2:09.64 | 2:13.84 | 2:17.56 2:14.32 2:09.64 — — |
| 9 | Billie Hammill | 2:11.21 | 2:15.01 | 2:19.68 2:14.14 2:11.21 — — |
| 10 | Blue James | 2:11.64 | 2:17.16 | 2:14.38 2:25.45 2:11.64 — — |
| 11 | Jacob Sherwen Brown | 2:12.74 | 2:18.09 | 2:26.43 2:15.10 2:12.74 — — |
| 12 | Ryan Eckersley | 2:14.54 | 2:28.43 | 2:20.37 2:50.37 2:14.54 — — |
| 13 | Benjamin Espinosa | 2:15.96 | 2:28.85 | 2:35.30 2:15.96 2:35.30 — — |
| 14 | Vi Dinh | 2:25.04 | 2:31.10 | 2:37.69 2:30.58 2:25.04 — — |
| 15 | Callum Inglis | 2:30.00 | 2:37.47 | 2:30.00 2:36.71 2:45.69 — — |
| 16 | Caty Langa | 2:28.96 | 2:38.58 | 2:46.68 2:40.10 2:28.96 — — |
| 17 | Christian Harris | 2:33.01 | 2:39.14 | 2:33.01 2:33.58 2:50.84 — — |
| 18 | Sam Leonard | 2:57.44 | 3:02.92 | 2:57.44 3:05.41 3:05.92 — — |
| 19 | Jensen Belen-Brown | 2:42.39 | 3:03.42 | 3:34.36 2:42.39 2:53.51 — — |
| 20 | AJ Nicholls | 2:59.23 | 3:11.15 | 3:10.60 3:23.63 2:59.23 — — |
| 21 | Jimi Naysmith | 3:02.57 | 3:12.53 | 3:02.57 3:09.75 3:25.28 — — |
| 22 | Ioan-David Piciorlung | 3:10.04 | 3:14.62 | 3:10.04 3:12.97 3:20.84 — — |
| 23 | Luca Portelli | 3:07.01 | 3:45.17 | 3:11.53 3:07.01 4:56.98 — — |
| 24 | Giorgos Sofroniou | 3:48.75 | 4:04.94 | 4:07.44 4:18.63 3:48.75 — — |
| 25 | Jack Adams | 4:27.84 | 4:42.66 | 4:27.84 4:34.26 5:05.89 — — |
| 26 | Alexander Sayers | 2:21.05 | DNF | 3:49.52 DNF 2:21.05 — — |
| 27 | Owen Alexander Bashforth | DNF | — | DNF — — — — |