| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Golender, Artem (9)
|
MRFREE |
46.96 |
39.19 |
-7.77 |
| 1 |
Krolnik, Logan (9)
|
MRMAKO |
46.05 |
44.74 |
-1.31 |
| 2 |
Divina, Sebastian K (10)
|
MRMAKO |
44.26 |
40.82 |
-3.44 |
| 2 |
Nagornuk, Constantine T (10)
|
MRFREE |
46.60 |
45.02 |
-1.58 |
| 3 |
Loremil, Noah (10)
|
MRCIY |
44.18 |
41.46 |
-2.72 |
| 3 |
Loremil, Lucas (10)
|
MRCIY |
46.99 |
45.57 |
-1.42 |
| 4 |
Hidalgo, Julio (9)
|
MRUN |
45.57 |
41.61 |
-3.96 |
| 4 |
Tremeer, Luke O (10)
|
MRASAP |
44.47 |
47.10 |
2.63 |
| 5 |
Belyayev, Daniel V (10)
|
MRFREE |
44.41 |
41.99 |
-2.42 |
| 5 |
Yeremenko, Alexander A (9)
|
MRFREE |
|
47.28 |
- |
| 6 |
Delgado, Quentin (10)
|
MRMAKO |
45.93 |
42.18 |
-3.75 |
| 6 |
Deguzman, Michael (9)
|
MRHES |
51.65 |
48.21 |
-3.44 |
| 7 |
Vellore, Kieran (9)
|
MRYFD |
47.37 |
43.31 |
-4.06 |
| 7 |
Rankin, William J (9)
|
MRJCCT |
51.32 |
48.25 |
-3.07 |
| 8 |
Reutens, Benjamin (10)
|
MRMAKO |
49.60 |
48.88 |
-0.72 |
| 9 |
Tineo, Cesar A (10)
|
MRKBM |
56.89 |
48.90 |
-7.99 |
| 10 |
Milgram, Jason E (10)
|
MRFREE |
54.41 |
49.56 |
-4.85 |
| 11 |
Chung, Kevin (10)
|
MRGATE |
50.38 |
51.41 |
1.03 |
| 12 |
Kumbatovic, Nicholas J (10)
|
MRFREE |
55.86 |
52.05 |
-3.81 |
| 13 |
Ortiz, Willem E (9)
|
MRKBM |
54.32 |
53.17 |
-1.15 |
| 14 |
Chavez, Carlos A (10)
|
MRAPEX |
55.10 |
54.68 |
-0.42 |
| 15 |
Alvares, Matthias M (10)
|
MRAPEX |
53.93 |
56.07 |
2.14 |
| 16 |
Gonzalez, Issac (9)
|
MRKBM |
47.65 |
57.08 |
9.43 |
| 17 |
Yi, Tyler (9)
|
MRMAKO |
|
58.65 |
- |
| 18 |
Oishi, Yusuke (10)
|
MRYFD |
1:01.09 |
1:00.63 |
-0.46 |
| 19 |
DeStefano, Alexander K (10)
|
MRYFD |
1:08.12 |
1:04.85 |
-3.27 |
|
Lee, Jaidon J (10)
|
MRCIY |
|
DQ |
- |
|
Bice, Cavan T (10)
|
MRCIY |
52.51 |
DQ |
- |
|
Park, Noah (10)
|
MRASAP |
1:02.31 |
DQ |
- |