| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ruiz, Nathaniel R (11)
|
MRHVD |
36.91 |
35.23 |
-1.68 |
| 2 |
Baxter, Ayden C (12)
|
MRMWDA |
36.90 |
35.62 |
-1.28 |
| 3 |
Cerrato, Jacob A (12)
|
MRMWDA |
36.82 |
36.06 |
-0.76 |
| 4 |
Roa, Raymond (12)
|
MRWSSC |
38.80 |
36.35 |
-2.45 |
| 5 |
Hogan, James T (12)
|
MRHVD |
37.51 |
36.36 |
-1.15 |
| 6 |
Speare, Troy D (11)
|
MRNDAC |
36.99 |
36.61 |
-0.38 |
| 7 |
Yastion, Adam E (11)
|
MRMWDA |
39.58 |
37.11 |
-2.47 |
| 8 |
Ypanaque, Valentin A (11)
|
MRYBAR |
41.13 |
38.58 |
-2.55 |
| 9 |
Taranto, Ethan S (11)
|
MRYBAR |
37.38 |
38.83 |
1.45 |
| 10 |
Heidebrecht, Martin H (12)
|
MRNDAC |
43.77 |
40.92 |
-2.85 |
| 11 |
Pociask, Joseph V (11)
|
MRNDAC |
44.77 |
45.87 |
1.10 |
| 12 |
Patterson, Mathieu S (11)
|
MRAGMV |
44.59 |
47.01 |
2.42 |
| 13 |
Mazzie, Justin (11)
|
MRAGMV |
|
54.54 |
- |