| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Donovan, Edward R (17)
|
CTZEUS |
52.23 |
54.24 |
2.01 |
| 2 |
Dell'Isola, Anthony J (17)
|
CTZEUS |
55.44 |
56.85 |
1.41 |
| 3 |
Sokolski, Michael V (17)
|
MRYMID |
59.03 |
1:00.68 |
1.65 |
| 4 |
Lawson, Michael (14)
|
MRYMID |
1:02.32 |
1:01.92 |
-0.40 |
| 5 |
Ramos, Alejandro E (17)
|
CTZEUS |
1:02.28 |
1:02.19 |
-0.09 |
| 6 |
Walsh, Dylan F (15)
|
MRYMID |
1:03.00 |
1:03.39 |
0.39 |
| 7 |
Arbelaez, Andres (14)
|
CTZEUS |
1:02.66 |
1:03.77 |
1.11 |
| 8 |
Colleran, Liam J (13)
|
CTZEUS |
1:11.62 |
1:04.13 |
-7.49 |
| 9 |
Bailey, Nicholas X (16)
|
MRNFS |
1:07.71 |
1:08.37 |
0.66 |
| 10 |
Maya, David (15)
|
CTZEUS |
1:08.34 |
1:08.51 |
0.17 |
| 11 |
Phillip, Bryon J (13)
|
MRNFS |
1:14.48 |
1:16.63 |
2.15 |
| 12 |
Quinones, Christian T (15)
|
CTZEUS |
1:20.53 |
1:21.41 |
0.88 |
| 13 |
Pysk, Adam (14)
|
CTZEUS |
1:27.51 |
1:25.85 |
-1.66 |
| 14 |
Casa, Tristan A (14)
|
CTZEUS |
1:26.30 |
1:34.13 |
7.83 |