| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fortunato, Chase J (10)
|
PVNCAP |
38.62 |
32.10 |
-6.52 |
| 2 |
Johnson, Jason G (9)
|
PVDCPR |
33.12 |
33.31 |
0.19 |
| 3 |
Taransky, Benjamin R (10)
|
PVDCPR |
41.06 |
36.69 |
-4.37 |
| 4 |
Dion, Luke M (10)
|
PVDCPR |
42.56 |
39.25 |
-3.31 |
| 5 |
Peterson Arias, Ian A (9)
|
PVDCPR |
49.66 |
40.41 |
-9.25 |
| 6 |
Skeete, Aydan J (10)
|
PVERSC |
52.88 |
41.29 |
-11.59 |
| 7 |
D'Innocenzo, Isaac (9)
|
PVWEA |
|
42.37 |
- |
| 8 |
Acuna, Ethan E (9)
|
PVDCPR |
45.32 |
47.00 |
1.68 |
| 9 |
Day, Leonardo G (9)
|
PVNCAP |
|
47.17 |
- |
| 10 |
Dence, Joseph S (9)
|
PVDCPR |
|
47.54 |
- |
| 11 |
Mykytiuk, Hayes P (10)
|
PVDCPR |
|
49.29 |
- |
| 12 |
Dormitzer, Odin B (9)
|
PVDCPR |
52.86 |
55.55 |
2.69 |
| 13 |
Horton, Henry D (9)
|
PVDCPR |
52.23 |
55.73 |
3.50 |
| 14 |
Davis, Myles M (9)
|
PVDCPR |
|
58.05 |
- |
| 15 |
Crutchfield, Mason W (9)
|
PVERSC |
|
1:02.95 |
- |
| 16 |
Bethune Smith, Ewan (9)
|
PVDCPR |
|
1:05.83 |
- |
| 17 |
Cabrera, Nicolas L (9)
|
PVDCPR |
52.28 |
1:07.27 |
14.99 |