| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hall III, Richard D (11)
|
MRTVSC |
1:10.73 |
1:10.19 |
-0.54 |
| 2 |
Sobhy, Mina-Abanoub M (12)
|
MRBBSC |
1:14.51 |
1:11.52 |
-2.99 |
| 3 |
Abaza, Anwar (11)
|
MRTS |
1:13.31 |
1:11.86 |
-1.45 |
| 4 |
Savas, Brayden T (10)
|
MRSSC |
1:21.02 |
1:19.12 |
-1.90 |
| 5 |
Rogowsky, Benjamin N (12)
|
MRTS |
1:27.90 |
1:19.92 |
-7.98 |
| 6 |
Monahan, James J (11)
|
MRTVSC |
1:20.63 |
1:20.53 |
-0.10 |
| 7 |
Martin, Timothy J (12)
|
MRSSC |
1:22.71 |
1:21.59 |
-1.12 |
| 8 |
Shenoy, Anish A (12)
|
MRHAA |
1:22.09 |
1:23.19 |
1.10 |
| 9 |
Gabinoff, Aaron (12)
|
MRTS |
1:22.19 |
1:23.63 |
1.44 |
| 10 |
Zoccoli, Harrison (11)
|
MRTS |
1:29.78 |
1:25.94 |
-3.84 |
| 11 |
Demaio, Thomas M (11)
|
MRTVSC |
1:21.71 |
1:27.59 |
5.88 |
| 12 |
Young, Aaron M (12)
|
MRSSC |
1:30.60 |
1:31.92 |
1.32 |
| 14 |
Guerron, Ryan A (12)
|
MRSSC |
1:32.53 |
1:35.22 |
2.69 |