| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sedito, Jack S (14)
|
CTNFAF |
54.91 |
54.36 |
-0.55 |
| 2 |
Padda, Rajkaran (14)
|
CTTP |
55.20 |
54.49 |
-0.71 |
| 3 |
Kosak, Cameron (14)
|
CTTP |
56.09 |
56.39 |
0.30 |
| 4 |
Vangeepuram, SriHarsha A (13)
|
CTTP |
59.87 |
59.46 |
-0.41 |
| 5 |
Gage, Aidan H (14)
|
CTNFAF |
1:03.93 |
1:00.55 |
-3.38 |
| 6 |
Weiss, Connor A (13)
|
CTRYWC |
1:01.71 |
1:00.74 |
-0.97 |
| 7 |
Lippy, Cody A (13)
|
CTRYWC |
1:04.54 |
1:04.53 |
-0.01 |
| 8 |
Mulligan-Brown, Aiden P (13)
|
CTNMBS |
1:24.88 |
1:08.69 |
-16.19 |
| 9 |
Evans, Mark J (14)
|
CTRYWC |
1:18.62 |
1:14.43 |
-4.19 |
| 10 |
Gronbach, Everett T (13)
|
CTNMBS |
1:11.76 |
1:16.58 |
4.82 |
| 11 |
Marshall, Alexander C (13)
|
CTNFAF |
1:19.34 |
1:22.60 |
3.26 |