| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pappas, George D (15)
|
MAPAY |
54.27 |
57.29 |
3.02 |
| 2 |
Laing, Sean P (17)
|
MAPAY |
57.88 |
58.25 |
0.37 |
| 3 |
McKenna, Luke P (17)
|
MAPAY |
56.48 |
59.00 |
2.52 |
| 4 |
Ye, Vincent Z (17)
|
MAUMLY |
|
1:00.46 |
- |
| 5 |
Cunningham, Joshua L (15)
|
MARY |
1:03.03 |
1:00.57 |
-2.46 |
| 6 |
Carroll, Aiden A (15)
|
MAPAY |
1:00.13 |
1:00.58 |
0.45 |
| 7 |
Aclan, Ryan-Gabriel P (17)
|
MAPAY |
1:00.28 |
1:00.85 |
0.57 |
| 8 |
Semisch, Jared C (15)
|
MAPAY |
1:02.13 |
1:01.32 |
-0.81 |
| 9 |
Chemey, Anderson (16)
|
MABYNS |
1:00.04 |
1:02.09 |
2.05 |
| 10 |
Carnevale, William P (17)
|
MAPAY |
58.52 |
1:02.14 |
3.62 |
| 11 |
Deren, Thomas E (15)
|
MARY |
1:02.39 |
1:03.63 |
1.24 |
| 12 |
Gorman, Cameron J (15)
|
MABYNS |
1:09.98 |
1:04.38 |
-5.60 |
| 13 |
Peterson, Jackson (15)
|
MARY |
1:04.28 |
1:04.85 |
0.57 |
| 14 |
Carnuccio, Noah (17)
|
MAWCAY |
1:00.14 |
1:04.95 |
4.81 |
| 15 |
Cronauer, PJ (15)
|
MAWCAY |
1:03.39 |
1:05.25 |
1.86 |
| 16 |
Bahr, Christopher W (15)
|
MAPAY |
1:09.76 |
1:08.02 |
-1.74 |
| 17 |
Hickey, Andrew (17)
|
MAWCAY |
1:06.33 |
1:08.09 |
1.76 |
| 18 |
Hadfield, Sean D (16)
|
MAPAY |
1:08.16 |
1:10.69 |
2.53 |
| 19 |
Cahalan, Seamus b (15)
|
MARY |
1:09.65 |
1:11.14 |
1.49 |
| 20 |
Dickerson, Josiah E (16)
|
MARY |
1:23.08 |
1:25.96 |
2.88 |