| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Farrell, Deaglan C (12)
|
MRTVSC |
38.64 |
37.52 |
-1.12 |
| 2 |
Doran, Declan T (12)
|
MRIA |
38.63 |
39.09 |
0.46 |
| 3 |
Monahan, Joseph J (11)
|
MRTVSC |
39.81 |
39.75 |
-0.06 |
| 4 |
Stueber, Colin J (11)
|
MRWISC |
39.08 |
39.91 |
0.83 |
| 5 |
Klaric, Maksim A (12)
|
MRTVSC |
46.54 |
41.67 |
-4.87 |
| 6 |
Sivin, Alec (12)
|
MRTS |
43.59 |
42.37 |
-1.22 |
| 7 |
O'Sullivan-Ulrich, Liam S (12)
|
MRTVSC |
44.88 |
42.41 |
-2.47 |
| 8 |
Felix, Braden B (11)
|
MRWISC |
42.14 |
42.81 |
0.67 |
| 9 |
Przysowa, Dylan K (11)
|
MRFA |
43.27 |
42.99 |
-0.28 |
| 10 |
Eng, Ethan M (11)
|
MRFA |
44.62 |
44.44 |
-0.18 |
| 11 |
Mojumdar, Ayush (12)
|
MRTVSC |
48.58 |
44.57 |
-4.01 |
| 12 |
Glass, Logan W (12)
|
MRWISC |
48.13 |
44.94 |
-3.19 |
| 13 |
Short, Aidan J (11)
|
MRSSC |
45.37 |
45.30 |
-0.07 |
| 14 |
Kazlauskas, Cole (12)
|
MRTVSC |
45.89 |
46.10 |
0.21 |
| 15 |
Zenker, Liam J (12)
|
MRSSC |
48.17 |
46.88 |
-1.29 |
| 16 |
La Morte, Anthony E (12)
|
MRSSC |
50.16 |
46.92 |
-3.24 |
| 17 |
Shemetov, Ivan T (11)
|
MRFA |
47.06 |
47.68 |
0.62 |
| 18 |
Girgis, Jake (12)
|
MRTS |
50.88 |
51.30 |
0.42 |
| 19 |
Vescovo III, Peter S (11)
|
MRSSC |
51.39 |
54.65 |
3.26 |
| 20 |
Petito, Joseph N (12)
|
MRSSC |
59.28 |
56.75 |
-2.53 |
| 21 |
Shea, Hayden A (11)
|
MRSSC |
57.42 |
56.95 |
-0.47 |
| 22 |
McAllister, Colin A (11)
|
MRSSC |
1:02.00 |
1:02.65 |
0.65 |
|
Wigington, James J (11)
|
MRSSC |
57.99 |
DQ |
- |
|
Ji, Edwin X (12)
|
MRTS |
43.78 |
NS |
- |