| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wilkinson, Thomas K (10)
|
MAPRSC |
42.62 |
43.00 |
0.38 |
| 1 |
Kothari, Aditya N (10)
|
MASSC |
48.97 |
51.02 |
2.05 |
| 2 |
Borrelli, Connor R (9)
|
MAJW |
45.65 |
45.76 |
0.11 |
| 2 |
Witts, Ryan J (9)
|
MAJW |
49.88 |
51.11 |
1.23 |
| 3 |
Lewandowski, Dominik L (10)
|
MAJW |
46.60 |
45.92 |
-0.68 |
| 3 |
Jestice, Mason t (10)
|
MAACAC |
50.56 |
51.44 |
0.88 |
| 4 |
Park, Brody H (10)
|
MAUN2 |
45.25 |
47.99 |
2.74 |
| 4 |
Skowronski, Braydon C (9)
|
MAJW |
53.42 |
52.23 |
-1.19 |
| 5 |
Antes, Jack W (9)
|
MAJW |
56.70 |
55.64 |
-1.06 |
| 6 |
Purumandla, Abhinav R (10)
|
MAJW |
56.82 |
55.95 |
-0.87 |
| 7 |
Strauss, Matthew R (9)
|
MAJW |
56.17 |
57.28 |
1.11 |
| 8 |
Yaccarino, Luca L (9)
|
MAMAR |
58.89 |
1:01.63 |
2.74 |
| 9 |
Chazan, Benjamin A (9)
|
MAJW |
1:02.72 |
1:06.37 |
3.65 |
| 10 |
Alena, Nicolas J (10)
|
MAJW |
|
1:11.52 |
- |
|
Jadhav, Shawnak (10)
|
MAT85 |
|
NS |
- |
|
Suren, Anirudh (10)
|
MAT85 |
54.47 |
NS |
- |