| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Grabar, Kian W (10)
|
NEBYB |
1:22.18 |
1:21.52 |
-0.66 |
| 2 |
Gomes, Jaden C (10)
|
NESSYS |
1:24.35 |
1:22.25 |
-2.10 |
| 3 |
Sawatdiphong, Benjamin T (10)
|
NEMWYS |
1:33.50 |
1:29.13 |
-4.37 |
| 4 |
Maali, Hamza (10)
|
NESSYS |
1:33.99 |
1:33.97 |
-0.02 |
| 5 |
Titley, Brendan E (10)
|
NEYMNT |
1:38.11 |
1:40.74 |
2.63 |
| 6 |
Cook, James R (10)
|
NEBYB |
1:38.46 |
1:40.77 |
2.31 |
| 7 |
Kukolj, Luka (9)
|
NEMAL |
|
1:41.20 |
- |
| 8 |
Karpau, Ivan (9)
|
NEANA |
|
1:43.20 |
- |
| 9 |
Zhou, Dennis F (10)
|
NEMWYS |
1:40.79 |
1:43.51 |
2.72 |
| 10 |
Efendigil, Esat Cinar (10)
|
NEWSY |
1:54.32 |
1:44.37 |
-9.95 |
| 11 |
Pan, Christopher Y (9)
|
NEMWYS |
1:49.76 |
1:45.19 |
-4.57 |
| 12 |
Cui, Felix S (9)
|
NEGLYB |
|
1:46.01 |
- |
| 13 |
Giang, Evan R (9)
|
NEMWYS |
1:46.59 |
1:50.20 |
3.61 |
| 14 |
Besitskiy, Daniel (10)
|
NEWSY |
1:53.11 |
1:50.86 |
-2.25 |
| 15 |
Kelton, Malcolm S (10)
|
NEBYB |
1:51.34 |
1:51.88 |
0.54 |
| 16 |
Berrian, Luke M (9)
|
NEBYB |
2:22.23 |
1:53.61 |
-28.62 |
| 17 |
Holmes, Calvin H (9)
|
NEBYB |
1:57.61 |
1:56.64 |
-0.97 |
| 18 |
Kelley, Griffin T (9)
|
NEBYB |
2:22.23 |
1:58.21 |
-24.02 |
| 19 |
Lee, Makoto T (9)
|
NEMWYS |
1:55.40 |
2:00.66 |
5.26 |
| 20 |
Kimyagarov, Daniel (10)
|
NEMWYS |
|
2:01.38 |
- |
|
Sinclair, Chase (10)
|
NEBYB |
1:55.00 |
NS |
- |