| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kulak, Xavier J (12)
|
MRFA |
57.33 |
56.59 |
-0.74 |
| 2 |
Schiano, Vincenzo B (12)
|
MRFA |
1:03.26 |
1:01.44 |
-1.82 |
| 3 |
Frank, Connor P (12)
|
MRSSC |
1:01.84 |
1:01.56 |
-0.28 |
| 4 |
Ebner, Wyatt P (12)
|
MRCSDC |
1:13.91 |
1:04.19 |
-9.72 |
| 5 |
Kilfeather, Sean E (12)
|
MRFA |
1:09.18 |
1:07.17 |
-2.01 |
| 6 |
Morley, Alexander W (12)
|
MRSSC |
1:16.72 |
1:09.49 |
-7.23 |
| 7 |
Catalanotto, Michael F (12)
|
MRHAA |
1:12.72 |
1:10.70 |
-2.02 |
| 8 |
Dudra, Leo J (11)
|
MRSSC |
1:19.81 |
1:15.94 |
-3.87 |
| 9 |
Qureshi, Adam (12)
|
MRSSC |
1:19.33 |
1:19.81 |
0.48 |
| 10 |
Mathelier, Carlton J (11)
|
MRSSC |
1:28.50 |
1:19.85 |
-8.65 |
| 11 |
Howell, Jacob (11)
|
MRFA |
|
1:25.43 |
- |
| 12 |
DeLuca, Christopher J (11)
|
MRFA |
1:41.25 |
1:25.54 |
-15.71 |
| 13 |
Gorton, Gabriel N (12)
|
MRSSC |
1:35.71 |
1:27.15 |
-8.56 |
| 14 |
Maresca, Joshua S (12)
|
MRHAA |
1:29.48 |
1:27.53 |
-1.95 |
| 15 |
Lee, Zion C (11)
|
MRCSDC |
|
1:28.20 |
- |
| 16 |
Cordova, Justin A (11)
|
MRFA |
1:48.47 |
1:28.36 |
-20.11 |
| 17 |
Chodankar, Arnav (11)
|
MRTVSC |
1:27.58 |
1:34.46 |
6.88 |
| 18 |
Neal, Desmond (12)
|
MRSSC |
|
1:52.84 |
- |