| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McKenna, Erik S (21)
|
CTUN |
53.62 |
53.73 |
0.11 |
| 2 |
Dupont, Thomas C (16)
|
CTUN |
58.29 |
55.04 |
-3.25 |
| 3 |
Lynch, Declan A (18)
|
NJSCAR |
56.88 |
55.99 |
-0.89 |
| 4 |
Farquharson, Duncan S (17)
|
CTHHAC |
54.05 |
56.78 |
2.73 |
| 5 |
Dwyer, Aidan P (17)
|
NJSCAR |
57.12 |
58.11 |
0.99 |
| 6 |
Hutchinson, Hugh F (15)
|
CTUN |
57.26 |
58.25 |
0.99 |
| 7 |
Rzezwicki, Gabriel (15)
|
MRCFJV |
59.05 |
59.86 |
0.81 |
| 8 |
Diez De Bonilla, Juan M (16)
|
CTSSAC |
59.91 |
1:00.56 |
0.65 |
| 9 |
Lovejoy, Samuel M (18)
|
CTSOCO |
58.88 |
1:01.01 |
2.13 |
| 10 |
Crossfield, Aiden M (16)
|
CTRYWC |
1:01.48 |
1:01.39 |
-0.09 |
| 11 |
Lee, Tingyu (15)
|
NJSCAR |
1:02.98 |
1:03.25 |
0.27 |
| 12 |
Zeligson, Brett E (18)
|
NJSCAR |
1:03.59 |
1:04.39 |
0.80 |
| 13 |
Apito, Shane P (16)
|
NJSCAR |
1:07.78 |
1:05.61 |
-2.17 |
| 14 |
Ho, Jeffrey (16)
|
NJSCAR |
1:08.48 |
1:05.92 |
-2.56 |
| 15 |
Spumberg, Luke J (15)
|
NJSCAR |
1:07.41 |
1:06.76 |
-0.65 |
| 16 |
Raskin, Jacob S (16)
|
NJSCAR |
1:12.14 |
1:13.89 |
1.75 |
| 17 |
Rimkunas, Thomas V (17)
|
CTOXO |
1:44.41 |
1:50.69 |
6.28 |
|
Galler, Aidan (15)
|
MRCFJV |
1:12.58 |
DQ |
- |
|
Feldman, Benjamin L (17)
|
CTCPAC |
55.68 |
NS |
- |