| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Curtis, William J (12)
|
MASJAC |
1:00.96 |
58.89 |
-2.07 |
| 2 |
McNiff, Michael J (12)
|
MASJAC |
1:09.31 |
1:00.77 |
-8.54 |
| 3 |
Cottrell, Trever C (11)
|
MASJAC |
1:00.69 |
1:02.02 |
1.33 |
| 4 |
Haney, Sean R (12)
|
MASJAC |
1:01.89 |
1:03.29 |
1.40 |
| 5 |
Connelly, John R (12)
|
MASJAC |
1:10.03 |
1:05.25 |
-4.78 |
| 6 |
Swanholm, Spencer A (12)
|
MASJAC |
1:08.31 |
1:05.54 |
-2.77 |
| 7 |
Robinson, Sean I (12)
|
MASJAC |
|
1:07.02 |
- |
| 8 |
Swartz, Max F (12)
|
MASJAC |
1:05.22 |
1:08.32 |
3.10 |
| 9 |
Hogan, Joshua R (11)
|
MASJAC |
1:11.95 |
1:09.02 |
-2.93 |
| 10 |
Inman, Liam R (11)
|
MASJAC |
1:14.41 |
1:10.19 |
-4.22 |
| 11 |
Lundgren, Benjamin C (12)
|
MASJAC |
|
1:10.62 |
- |
| 12 |
Tramp, Anthony J (11)
|
MASJAC |
1:23.57 |
1:10.86 |
-12.71 |
| 13 |
Tufano, Enrico S (12)
|
MASJAC |
1:14.35 |
1:11.05 |
-3.30 |
| 14 |
Campbell, Andrew C (12)
|
MASJAC |
1:13.50 |
1:12.25 |
-1.25 |
| 15 |
McGlynn, Declan J (11)
|
MASJAC |
1:11.75 |
1:13.39 |
1.64 |
| 16 |
Markov, Andrey D (12)
|
MASJAC |
1:12.47 |
1:13.48 |
1.01 |
| 17 |
Lipman, Braden A (12)
|
MASJAC |
|
1:13.96 |
- |
| 18 |
Keefer, Sean W (11)
|
MASJAC |
|
1:14.15 |
- |
| 19 |
Stack, Keegan T (12)
|
MAUNSJ |
|
1:19.07 |
- |
| 20 |
Leone, Christian J (11)
|
MASJAC |
|
1:19.75 |
- |
| 21 |
Fleming, Macklain M (11)
|
MASJAC |
|
1:22.49 |
- |
| 22 |
Geist, Hans A (11)
|
MASJAC |
1:32.71 |
1:24.42 |
-8.29 |
| 23 |
Kovach, Nathan G (11)
|
MASJAC |
|
1:26.25 |
- |
| 24 |
Grady, Myles J (11)
|
MASJAC |
1:19.72 |
1:27.85 |
8.13 |
| 25 |
Guerrini, Giacomo P (11)
|
MASJAC |
|
1:28.33 |
- |
| 26 |
Raduns, Noah P (11)
|
MASJAC |
|
1:29.48 |
- |
| 27 |
Campbell, Matthew W (11)
|
MASJAC |
1:25.59 |
1:30.49 |
4.90 |
| 28 |
O'Donnell, William Preston (9)
|
MASJAC |
|
1:46.48 |
- |