| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Daniels, Owen D (10)
|
MRNDAC |
1:19.71 |
1:14.12 |
-5.59 |
| 2 |
Aquilino, Lorenzo A (10)
|
MRBBSC |
1:16.90 |
1:15.36 |
-1.54 |
| 3 |
Finch, Matthew W (10)
|
MRNDAC |
1:34.43 |
1:29.34 |
-5.09 |
| 4 |
Courtney, Benjamin B (9)
|
MRSSL |
1:36.10 |
1:30.23 |
-5.87 |
| 5 |
Montagnino, Tyler F (8)
|
MRBBSC |
1:37.32 |
1:32.08 |
-5.24 |
| 6 |
Speare, Troy D (9)
|
MRNDAC |
1:36.28 |
1:32.17 |
-4.11 |
| 7 |
Fass, Liam G (10)
|
MRSS |
1:48.29 |
1:33.43 |
-14.86 |
| 8 |
Constancio, Markus A (10)
|
MRNBS |
1:43.20 |
1:37.39 |
-5.81 |
| 9 |
Cooper, Jackson C (10)
|
MRNBS |
1:35.07 |
1:37.58 |
2.51 |
| 10 |
Biesaga, Aleksander (10)
|
MRFA |
|
1:42.59 |
- |
| 11 |
Neff, Taite E (10)
|
MRFA |
1:47.54 |
1:43.84 |
-3.70 |
| 12 |
Eckert, Raymond H (9)
|
MRNDAC |
1:55.11 |
1:47.23 |
-7.88 |
| 13 |
Hyman, James N (10)
|
MRSSL |
2:01.65 |
1:51.14 |
-10.51 |
| 14 |
Burgarelli, Sebastian (10)
|
MRNBS |
1:54.02 |
1:52.39 |
-1.63 |
| 15 |
Carle, Caleb M (10)
|
MRFA |
|
1:57.75 |
- |
| 16 |
Mummery, John F (10)
|
MRNBS |
2:17.11 |
2:02.22 |
-14.89 |
| 17 |
Kiernan, William R (10)
|
MRSSL |
|
2:02.23 |
- |
| 18 |
Dorner, Declan M (8)
|
MRNDAC |
2:12.11 |
2:05.32 |
-6.79 |
| 19 |
Whitlatch, Pierce A (10)
|
MRSSL |
|
2:09.26 |
- |
| 20 |
Wittmann, Aidan A (10)
|
MRWSSC |
2:06.00 |
2:11.67 |
5.67 |
| 21 |
Tarife, Grey P (8)
|
MRSSL |
|
2:20.05 |
- |
| 22 |
Mccafferty, Michael G (7)
|
MRWSSC |
2:18.00 |
2:22.65 |
4.65 |
|
Galambos, Oliver (9)
|
MRSSL |
|
DQ |
- |
|
Horn, Walter K (10)
|
MRSSL |
|
DQ |
- |
|
Russell, Edward W (8)
|
MRNDAC |
1:50.11 |
NS |
- |