| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mironov, Fedor (17)
|
MRSSC |
|
52.36 |
- |
| 2 |
Milligan, Jack W (16)
|
MRCSDC |
55.59 |
56.31 |
0.72 |
| 3 |
Trzaskowski, Alex (16)
|
MRHAA |
55.87 |
56.51 |
0.64 |
| 4 |
Koeppel, Thomas J (16)
|
MRSSC |
59.67 |
58.81 |
-0.86 |
| 5 |
Morell, Aidan R (17)
|
MRSSC |
58.89 |
59.29 |
0.40 |
| 6 |
Subillaga-Dubon, Jason A (16)
|
MRFA |
57.68 |
1:03.13 |
5.45 |
| 7 |
Lipp, Mark G (17)
|
MRSSC |
1:01.34 |
1:03.70 |
2.36 |
| 8 |
Viollis, Logan (15)
|
MRSSC |
1:05.70 |
1:04.40 |
-1.30 |
| 9 |
Purga, Thomas J (15)
|
MRSSC |
1:05.76 |
1:04.96 |
-0.80 |
| 10 |
Spiezio, Anthony M (17)
|
MRHAA |
1:05.54 |
1:05.36 |
-0.18 |
| 11 |
Minotto, Matthew C (15)
|
MRSSC |
1:09.29 |
1:07.33 |
-1.96 |
| 12 |
Sawicki, Daniel (15)
|
MRSSC |
1:18.20 |
1:07.94 |
-10.26 |
| 13 |
Biesaga, Aleksander (15)
|
MRFA |
1:06.71 |
1:09.27 |
2.56 |
| 14 |
Brown, Harrison W (16)
|
MRSSC |
1:18.75 |
1:10.75 |
-8.00 |
| 15 |
Kozlowski, Kameron C (15)
|
MRFA |
1:14.46 |
1:12.74 |
-1.72 |
| 16 |
Greenberg, Payton (15)
|
MRHAA |
1:21.52 |
1:16.88 |
-4.64 |