| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pestrikov, Max (8)
|
MRBAD |
46.00 |
44.89 |
-1.11 |
| 2 |
Bender, Lucas N (8)
|
MRCOND |
46.36 |
45.89 |
-0.47 |
| 2 |
Olk, Isaiah D (8)
|
MRBGNW |
58.62 |
45.89 |
-12.73 |
| 4 |
Kostov, Ryan (7)
|
MRUN |
55.99 |
47.49 |
-8.50 |
| 5 |
Boylan, Lucas (8)
|
MRTRI |
1:04.07 |
48.72 |
-15.35 |
| 6 |
Hennessee, August R (7)
|
MRBGNW |
48.61 |
50.00 |
1.39 |
| 7 |
Katz, James G (8)
|
MRTRI |
1:00.46 |
50.33 |
-10.13 |
| 8 |
Hoffmann, Maximilian H (8)
|
MRBAD |
53.48 |
50.66 |
-2.82 |
| 9 |
LaPorta, Nathaniel J (8)
|
MRBAD |
53.25 |
50.70 |
-2.55 |
| 10 |
Condon, Liam J (7)
|
MRBAD |
54.00 |
51.97 |
-2.03 |
| 11 |
Condon, Thomas J (7)
|
MRBAD |
54.00 |
52.83 |
-1.17 |
| 12 |
Ewies, Karim (7)
|
MRTRI |
55.00 |
53.25 |
-1.75 |
| 13 |
Almeida, Kevin V (8)
|
MRBGNW |
49.99 |
53.32 |
3.33 |
| 14 |
Platyan, Asher E (8)
|
MRHVD |
|
53.94 |
- |
| 15 |
O'Malley, Declan (7)
|
NJSCY |
1:03.89 |
56.88 |
-7.01 |
| 16 |
Ould Abbou, Khalid Walid (6)
|
MRFREE |
1:12.99 |
57.78 |
-15.21 |
| 17 |
Curristin, Cai (7)
|
MRCOND |
|
58.59 |
- |
| 18 |
Baker, Rollo O (8)
|
MRBAD |
1:00.00 |
1:00.00 |
0.00 |
|
Diab, Duke G (7)
|
MRCOND |
|
DQ |
- |