| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Allen, Liam F (12)
|
MRMWSC |
1:16.72 |
1:16.87 |
0.15 |
| 2 |
Karpf, Dylan (12)
|
MRTS |
1:23.25 |
1:19.35 |
-3.90 |
| 3 |
Kim, Miles (12)
|
MRTS |
1:21.01 |
1:19.82 |
-1.19 |
| 4 |
Baboff, Mitchell (11)
|
CTMJCC |
1:18.94 |
1:22.00 |
3.06 |
| 5 |
Park, Bryan H (12)
|
MRTS |
1:20.50 |
1:23.54 |
3.04 |
| 6 |
Turner, Cole V (12)
|
MRHVD |
1:25.87 |
1:26.73 |
0.86 |
| 7 |
McLaughlin, Joseph W (12)
|
MRLBA |
1:50.00 |
1:27.27 |
-22.73 |
| 8 |
Yuk, William (12)
|
MRTS |
1:26.99 |
1:27.44 |
0.45 |
| 9 |
Zahn, Daniel (12)
|
MRTS |
1:29.66 |
1:27.65 |
-2.01 |
| 10 |
Arbeeny, Ryan (11)
|
MRTS |
1:29.48 |
1:27.69 |
-1.79 |
| 11 |
LiBassi, Connor T (11)
|
MRLBA |
1:28.44 |
1:27.90 |
-0.54 |
| 12 |
Gupta, Arjun (12)
|
MRLBA |
|
1:34.06 |
- |
| 13 |
Iorio, Jack T (11)
|
MRTS |
1:38.20 |
1:35.80 |
-2.40 |
| 14 |
Doboli, Michael R (11)
|
MRTS |
1:34.79 |
1:36.73 |
1.94 |
| 15 |
Horgan, Edward L (11)
|
MRHVD |
1:39.19 |
1:37.57 |
-1.62 |
| 16 |
Prinzivalli, Peter J (11)
|
MRTS |
1:38.02 |
1:38.95 |
0.93 |
| 17 |
Groza, Roberto (11)
|
MRTS |
1:39.74 |
1:43.45 |
3.71 |
| 18 |
Kirk, Colin P (11)
|
CTMJCC |
1:39.89 |
1:45.00 |
5.11 |
| 19 |
Kivlehan, Patrick J (12)
|
MRMWSC |
1:51.53 |
1:45.06 |
-6.47 |
| 20 |
Ormiston, Michael O (12)
|
MRLBA |
1:53.00 |
1:45.48 |
-7.52 |
| 21 |
Nieves, Andrew J (11)
|
MRNBS |
1:48.50 |
1:51.73 |
3.23 |
| 22 |
Moriarty, Francis R (11)
|
MRLBA |
2:08.54 |
1:58.84 |
-9.70 |
| 23 |
Rider, Sam M (11)
|
MRNBS |
|
2:17.73 |
- |