| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tiller, Jennings L (11)
|
MDACA |
43.55 |
40.46 |
-3.09 |
| 2 |
Keith, Jonathan A (12)
|
MDNAAC |
42.98 |
42.79 |
-0.19 |
| 3 |
Roosa, Trystan R (11)
|
MDMAC |
50.14 |
43.76 |
-6.38 |
| 4 |
Gaffar, Asher B (12)
|
MDNBAC |
48.66 |
44.15 |
-4.51 |
| 5 |
Matteini, Thomas J (11)
|
MDNBAC |
44.93 |
44.59 |
-0.34 |
| 6 |
Manning, John F (11)
|
MDMAC |
55.71 |
47.02 |
-8.69 |
| 7 |
Drucis, Gavin C (12)
|
MDNAAC |
53.95 |
47.18 |
-6.77 |
| 8 |
Eby, Sean D (12)
|
MDCBAC |
41.39 |
47.37 |
5.98 |
| 9 |
Assoufid, Alexander N (12)
|
MDNBAC |
43.55 |
47.51 |
3.96 |
| 10 |
Windle, Mason M (11)
|
MDACA |
44.92 |
48.48 |
3.56 |
| 11 |
Shaffer, Matthew R (12)
|
MDACA |
45.71 |
50.45 |
4.74 |
| 12 |
Nolan, Andrew W (11)
|
MDNAAC |
51.37 |
50.61 |
-0.76 |
| 13 |
Zieger, Aidan F (11)
|
MDCGA |
44.27 |
51.05 |
6.78 |
| 14 |
Morris, Peter I (11)
|
MDCBAC |
59.20 |
51.79 |
-7.41 |
| 15 |
Milman, Sean (11)
|
MDNBAC |
58.70 |
52.01 |
-6.69 |
| 16 |
Hong, Dongho (12)
|
MDBVA |
52.87 |
53.61 |
0.74 |
| 17 |
Tluszcz, Ethan S (11)
|
MDMAC |
1:01.67 |
54.42 |
-7.25 |
| 18 |
Guerra, Emilio S (11)
|
MDNAAC |
58.64 |
54.66 |
-3.98 |
| 19 |
Long, Thomas J (11)
|
MDMAC |
54.47 |
54.85 |
0.38 |
| 20 |
James, Ayden N (11)
|
MDUN |
|
58.28 |
- |
| 21 |
Morgan, Jaremy C (11)
|
MDCBAC |
59.01 |
58.54 |
-0.47 |
| 22 |
Sabins, Christopher M (12)
|
MDSPRC |
1:07.26 |
58.68 |
-8.58 |
| 23 |
Willey, Nolen A (12)
|
MDGMAC |
1:05.09 |
1:00.63 |
-4.46 |
| 24 |
Miller, John H (11)
|
MDACA |
53.61 |
1:01.03 |
7.42 |
| 25 |
Buettner, Calvin R (12)
|
MDSPRC |
55.70 |
1:01.81 |
6.11 |
| 26 |
Walden, Chandler E (11)
|
MDSPRC |
1:26.08 |
1:31.67 |
5.59 |
|
Uleckas-Meisinger, Anton J (11)
|
MDBVA |
54.16 |
NS |
- |
|
Longmore, Zachary T (11)
|
MDGMAC |
1:12.07 |
NS |
- |
|
Kegley, Jesse H (11)
|
MDSPRC |
41.88 |
NS |
- |