| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Thirachon G (11)
|
MRLGAC |
1:00.10 |
1:02.37 |
2.27 |
| 2 |
Corcuera, Christopher (12)
|
MRLGAC |
1:08.88 |
1:08.22 |
-0.66 |
| 3 |
Chan, Hayden C (12)
|
MRYFD |
1:07.51 |
1:09.45 |
1.94 |
| 4 |
Meyer, Junhyun T (11)
|
MRBKR |
1:11.53 |
1:10.91 |
-0.62 |
| 5 |
Lee, Shi-On (11)
|
MRYFD |
1:20.29 |
1:17.87 |
-2.42 |
| 6 |
Guevara, Xavier B (11)
|
MRAPEX |
1:19.23 |
1:18.94 |
-0.29 |
| 7 |
Vasilyev, Martin (12)
|
MRYFD |
1:23.06 |
1:20.09 |
-2.97 |
| 8 |
Uhlir, Luca (11)
|
MRYFD |
1:19.97 |
1:21.84 |
1.87 |
| 9 |
Jasiak-Weinberger, Grayson M (11)
|
MRBKR |
1:27.54 |
1:22.80 |
-4.74 |
| 10 |
DE Santis, Luca V (11)
|
MRYFD |
1:26.50 |
1:24.36 |
-2.14 |
| 11 |
Isakov, Timur I (12)
|
MRBKR |
1:26.18 |
1:24.68 |
-1.50 |
| 12 |
Boylan, Iain (11)
|
MRTRI |
1:28.84 |
1:24.71 |
-4.13 |
| 13 |
Langton, Jake E (12)
|
MRBKR |
1:30.00 |
1:25.29 |
-4.71 |
| 14 |
Meyers-Kane, Elliot (12)
|
MRBKR |
1:24.71 |
1:26.93 |
2.22 |
| 15 |
Huang, Oliver Y (11)
|
MRYFD |
1:31.18 |
1:27.56 |
-3.62 |
| 16 |
Smith, Caleb (11)
|
MRTRI |
1:33.28 |
1:29.34 |
-3.94 |
| 17 |
Okutan, Reis H (11)
|
MRYFD |
|
1:31.87 |
- |
| 18 |
Decarli, Gerard R (12)
|
MRCOND |
1:35.39 |
1:34.33 |
-1.06 |
| 19 |
O'Neill, Ronan I (11)
|
MRBKR |
1:32.00 |
1:34.83 |
2.83 |
| 20 |
Ulislam, Mohammad R (11)
|
MRYFD |
1:35.87 |
1:34.95 |
-0.92 |
| 21 |
Figueras, Julian D (11)
|
MRBKR |
1:32.44 |
1:35.49 |
3.05 |
| 22 |
Gerwer, Russell J (11)
|
MRTRI |
2:00.00 |
1:36.08 |
-23.92 |
| 23 |
Xochicale, Ryan N (11)
|
MRLGAC |
1:36.74 |
1:36.65 |
-0.09 |
| 24 |
Walsh, Ryan T (11)
|
MRCOND |
1:29.44 |
1:37.54 |
8.10 |
| 25 |
Lang, Moritz J (12)
|
MRYFD |
|
1:40.51 |
- |
| 26 |
Jones, Christopher L (11)
|
MRYFD |
2:00.85 |
1:44.52 |
-16.33 |
| 27 |
Chaudhry, Bodhi R (11)
|
MRYFD |
|
1:45.68 |
- |
| 28 |
Flanigan, James N (12)
|
MRCOND |
|
1:47.51 |
- |
| 29 |
Webster, Jordan M (11)
|
MRYFD |
|
1:53.96 |
- |
| 30 |
Simo, Andreas M (11)
|
MRBKR |
1:48.62 |
1:55.25 |
6.63 |
|
McNamee, Ty J (11)
|
MRTRI |
1.12 |
DQ |
- |