| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Keegan, Daniel P (10)
|
MASJAC |
40.00 |
37.45 |
-2.55 |
| 2 |
Longo, Stephen B (10)
|
MASJAC |
41.12 |
39.91 |
-1.21 |
| 3 |
Leibowitz, Adam S (10)
|
MASJAC |
|
41.05 |
- |
| 4 |
Schmidt, Jeffrey W (10)
|
MASJAC |
43.10 |
43.08 |
-0.02 |
| 5 |
Rounds, Alexander T (10)
|
MASJAC |
48.09 |
45.64 |
-2.45 |
| 6 |
Mann, Rocco A (10)
|
MASJAC |
54.30 |
46.03 |
-8.27 |
| 7 |
Geist, Christian R (9)
|
MASJAC |
48.22 |
47.83 |
-0.39 |
| 8 |
Fekete, Michael J (9)
|
MASJAC |
48.48 |
49.82 |
1.34 |
| 9 |
Markov, Aleksey D (9)
|
MASJAC |
52.07 |
50.10 |
-1.97 |
| 10 |
Hannigan, Timothy J (10)
|
MASJAC |
|
50.17 |
- |
| 11 |
Murray, Maximillian M (10)
|
MAUNSJ |
|
50.22 |
- |
| 12 |
Haney, Gavin J (10)
|
MASJAC |
52.97 |
50.28 |
-2.69 |
| 13 |
Giordano, Ryan B (9)
|
MASJAC |
53.42 |
50.88 |
-2.54 |
| 14 |
Whalen, Owen R (10)
|
MASJAC |
|
50.90 |
- |
| 15 |
Cordova, Jayden S (10)
|
MASJAC |
49.36 |
51.55 |
2.19 |
| 16 |
Crosby, Benjamin T (9)
|
MASJAC |
54.76 |
53.96 |
-0.80 |
| 17 |
Poerner, Milo (10)
|
MASJAC |
1:00.05 |
55.06 |
-4.99 |
| 18 |
Kiss, Harrison G (10)
|
MASJAC |
52.68 |
55.47 |
2.79 |
| 19 |
Lundgren, Andrew F (10)
|
MASJAC |
|
56.57 |
- |
| 20 |
O'Donnell, William Preston (9)
|
MASJAC |
|
58.50 |
- |
| 21 |
Dopkin, Nicholas J (9)
|
MASJAC |
|
1:00.65 |
- |
| 22 |
Grady, Benjamin E (9)
|
MASJAC |
1:15.26 |
1:03.19 |
-12.07 |
| 23 |
Robinson, Jordan L (9)
|
MASJAC |
|
1:05.35 |
- |
| 24 |
Dopkin, Matthew J (10)
|
MASJAC |
|
1:06.41 |
- |
| 25 |
Gallagher, Callum J (9)
|
MASJAC |
|
1:06.84 |
- |
| 26 |
Kulach, Christian (9)
|
MAUNSJ |
|
1:08.66 |
- |
|
Kovach, Tyler E (9)
|
MASJAC |
|
DQ |
- |