| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Venit, Michael (17)
|
PVPAC |
49.67 |
51.63 |
1.96 |
| 2 |
Jackson, Jair D (17)
|
PVPAC |
50.73 |
52.80 |
2.07 |
| 3 |
Lindsey, Kholan H (16)
|
PVNCAP |
|
54.62 |
- |
| 4 |
Shinn, Anthony L (16)
|
PVDCPR |
52.93 |
55.07 |
2.14 |
| 5 |
Gaston, Noah A (15)
|
PVPAC |
55.95 |
55.59 |
-0.36 |
| 6 |
Kendrick, William E (17)
|
PVPAC |
50.72 |
56.23 |
5.51 |
| 7 |
Padilla, Logan (15)
|
PVDCPR |
53.49 |
56.90 |
3.41 |
| 8 |
Dixon, Abenezer E (15)
|
PVUN |
|
57.91 |
- |
| 9 |
Wilson, Aaron M (16)
|
PVPAC |
57.46 |
59.45 |
1.99 |
| 10 |
Hendershot, Emmett H (18)
|
PVPAC |
57.18 |
59.56 |
2.38 |
| 11 |
McMahon, William N (15)
|
PVPAC |
1:01.61 |
1:00.03 |
-1.58 |
| 12 |
Shah, Rayan U (17)
|
PVPAC |
1:03.13 |
1:00.40 |
-2.73 |
| 13 |
Idler, Mateo E (16)
|
PVPAC |
59.30 |
1:00.44 |
1.14 |
| 14 |
Catanzano, Max A (15)
|
PVDCPR |
1:03.43 |
1:01.58 |
-1.85 |
| 15 |
Yupari, Jared A (16)
|
PVPAC |
1:01.86 |
1:01.61 |
-0.25 |
| 16 |
Foster, Matthias T (15)
|
PVNCAP |
1:13.81 |
1:02.97 |
-10.84 |
| 17 |
Knowlton, Griffith M (15)
|
PVLIFE |
1:07.99 |
1:02.98 |
-5.01 |
| 18 |
Salemi, Anthony J (16)
|
PVDCPR |
1:13.89 |
1:03.84 |
-10.05 |
| 19 |
Swanson, William R (15)
|
PVLIFE |
|
1:04.20 |
- |
| 20 |
Crawford, Lucious F (15)
|
PVDCPR |
1:04.45 |
1:04.80 |
0.35 |
| 21 |
Brown, Gage K (15)
|
PVLIFE |
|
1:05.08 |
- |
| 22 |
Shinn, Dominic M (15)
|
PVDCPR |
1:00.14 |
1:08.35 |
8.21 |
| 23 |
Romero, Lucas E (15)
|
PVPAC |
|
1:10.92 |
- |