| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Moy, Christian (16)
|
MRMAKO |
52.10 |
52.39 |
0.29 |
| 2 |
Octaviano, Antonio T (15)
|
MARAD |
53.66 |
52.72 |
-0.94 |
| 3 |
Pettit, Collin S (17)
|
MARAD |
53.91 |
54.59 |
0.68 |
| 4 |
Branigan, Carter J (15)
|
MARAD |
54.43 |
55.00 |
0.57 |
| 5 |
Tritter, Hudson C (15)
|
MRPAC |
56.54 |
55.31 |
-1.23 |
| 6 |
Gamboli, Luke A (17)
|
MRPAC |
53.99 |
55.83 |
1.84 |
| 7 |
Gray, Stephen F (17)
|
MRWEST |
1:02.05 |
56.18 |
-5.87 |
| 8 |
Griffenkranz, Sean M (18)
|
MRPAC |
54.24 |
56.31 |
2.07 |
| 9 |
Tsai, Brian C (15)
|
MRWEST |
57.54 |
57.01 |
-0.53 |
| 10 |
Lee, Penn (14)
|
MRMAKO |
58.11 |
57.15 |
-0.96 |
| 11 |
Maretic, Matt A (17)
|
MRPAC |
57.30 |
57.91 |
0.61 |
| 12 |
Stangeby, Jon-Christian (16)
|
MRPAC |
56.94 |
57.92 |
0.98 |
| 13 |
Steininger, Aramis J (17)
|
MRMAKO |
1:00.22 |
58.27 |
-1.95 |
| 14 |
DeMarco, Preston Q (19)
|
MRRFAC |
58.72 |
58.46 |
-0.26 |
| 15 |
Lambert, Riley P (16)
|
MRUN |
1:21.35 |
58.85 |
-22.50 |
| 16 |
Flynn, Richard E (15)
|
MRPAC |
56.68 |
59.36 |
2.68 |
| 17 |
Epes, Christopher R (17)
|
MRGAEL |
58.37 |
59.75 |
1.38 |
| 18 |
Allen, Liam F (15)
|
MRPAC |
57.68 |
1:00.26 |
2.58 |
| 19 |
Rose, Benjamin W (16)
|
MRUN |
1:00.36 |
1:01.04 |
0.68 |
| 20 |
Choe, Ha Young A (12)
|
NJWAVE |
1:01.79 |
1:01.08 |
-0.71 |
| 21 |
Cosgrove, William J (15)
|
MARAD |
1:03.94 |
1:01.91 |
-2.03 |
| 22 |
Ng, Dylan (16)
|
MRMAKO |
1:01.80 |
1:02.19 |
0.39 |
| 23 |
Gusita, Nicholas (15)
|
MRRIST |
1:04.41 |
1:02.88 |
-1.53 |
| 24 |
Fuchs, Ethan (17)
|
MRGAEL |
59.72 |
1:04.25 |
4.53 |
| 25 |
Cosgrove, Rhett A (13)
|
MARAD |
1:06.41 |
1:04.84 |
-1.57 |
| 26 |
Prokic, Matija (17)
|
MRRIST |
1:03.26 |
1:05.39 |
2.13 |
| 27 |
Marzano, Tyler J (14)
|
MRPAC |
1:11.00 |
1:08.70 |
-2.30 |
| 28 |
Pashkov, Gregory (17)
|
MRRIST |
1:10.00 |
1:09.41 |
-0.59 |
|
Finn, Jared H (17)
|
MRPAC |
1:01.73 |
NS |
- |