| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Thirachon G (11)
|
MRLGAC |
55.47 |
54.71 |
-0.76 |
| 2 |
Corcuera, Christopher (12)
|
MRLGAC |
1:00.59 |
59.49 |
-1.10 |
| 3 |
Finn, Aidan (11)
|
MRTRI |
1:01.16 |
59.63 |
-1.53 |
| 4 |
Chan, Hayden C (12)
|
MRYFD |
|
1:00.17 |
- |
| 5 |
Meyer, Junhyun T (11)
|
MRBKR |
1:04.01 |
1:00.72 |
-3.29 |
| 6 |
Perr, Ryan J (12)
|
MRLGAC |
1:01.54 |
1:00.83 |
-0.71 |
| 7 |
Bonilla, Aldrin A (12)
|
MRAPEX |
1:02.69 |
1:01.41 |
-1.28 |
| 8 |
Smith, Adrian (12)
|
MRHES |
1:01.95 |
1:03.15 |
1.20 |
| 9 |
Lyashchenko, Alexander S (11)
|
MRLGAC |
1:04.55 |
1:03.96 |
-0.59 |
| 10 |
Kerzhner, Brian E (12)
|
MRTRI |
1:06.12 |
1:04.84 |
-1.28 |
| 11 |
Lee, Shi-On (11)
|
MRYFD |
1:09.04 |
1:05.80 |
-3.24 |
| 12 |
Langton, Jake E (12)
|
MRBKR |
1:15.00 |
1:08.33 |
-6.67 |
| 13 |
Guevara, Xavier B (11)
|
MRAPEX |
1:10.87 |
1:09.27 |
-1.60 |
| 14 |
Lin, Eldan (12)
|
MRYFD |
|
1:09.53 |
- |
| 15 |
Uhlir, Luca (11)
|
MRYFD |
1:07.60 |
1:09.74 |
2.14 |
| 16 |
Isakov, Timur I (12)
|
MRBKR |
1:12.92 |
1:10.96 |
-1.96 |
| 17 |
Meyers-Kane, Elliot (12)
|
MRBKR |
1:08.20 |
1:11.18 |
2.98 |
| 18 |
Lahner, Christian Y (11)
|
MRYFD |
1:20.97 |
1:14.33 |
-6.64 |
| 19 |
Boylan, Iain (11)
|
MRTRI |
1:12.99 |
1:15.11 |
2.12 |
| 20 |
Walsh, Ryan T (11)
|
MRCOND |
1:13.91 |
1:15.63 |
1.72 |
| 21 |
Ante, Michael J (12)
|
MRTRI |
1:30.99 |
1:17.81 |
-13.18 |
| 22 |
Huang, Oliver Y (11)
|
MRYFD |
1:21.84 |
1:18.27 |
-3.57 |
| 23 |
Xochicale, Ryan N (11)
|
MRLGAC |
1:19.01 |
1:18.66 |
-0.35 |
| 24 |
Figueras, Julian D (11)
|
MRBKR |
1:22.32 |
1:20.09 |
-2.23 |
| 25 |
Smith, Caleb (11)
|
MRTRI |
1:15.87 |
1:20.33 |
4.46 |
| 26 |
Lang, Moritz J (12)
|
MRYFD |
|
1:20.42 |
- |
| 27 |
Ulislam, Mohammad R (11)
|
MRYFD |
1:17.94 |
1:20.48 |
2.54 |
| 28 |
Gerwer, Russell J (11)
|
MRTRI |
2:00.00 |
1:21.45 |
-38.55 |
| 29 |
Jones, Christopher L (11)
|
MRYFD |
1:32.64 |
1:21.52 |
-11.12 |
| 30 |
McNamee, Ty J (11)
|
MRTRI |
1:03.08 |
1:21.87 |
18.79 |
| 31 |
O'Neill, Ronan I (11)
|
MRBKR |
1:21.62 |
1:22.80 |
1.18 |
| 32 |
Khojimatov, Elbek N (11)
|
MRTRI |
2:00.00 |
1:23.78 |
-36.22 |
| 33 |
Lambert, Stephen (11)
|
MRHES |
|
1:24.14 |
- |
| 34 |
Chaudhry, Bodhi R (11)
|
MRYFD |
|
1:26.44 |
- |
| 35 |
Webster, Jordan M (11)
|
MRYFD |
|
1:27.49 |
- |
| 36 |
Okutan, Reis H (11)
|
MRYFD |
|
1:28.30 |
- |
| 37 |
Morrow, Owen (11)
|
MRYFD |
1:33.46 |
1:33.57 |
0.11 |
| 38 |
Simo, Andreas M (11)
|
MRBKR |
1:40.64 |
1:35.09 |
-5.55 |
| 39 |
Flanigan, James N (12)
|
MRCOND |
1:33.47 |
1:35.86 |
2.39 |
| 40 |
Tieh, Eric (11)
|
MRTRI |
1:49.69 |
1:38.75 |
-10.94 |