| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brkanovic, Isak A (12)
|
ADDELM |
1:19.25 |
1:15.16 |
-4.09 |
| 2 |
Hershberg, Jacob C (11)
|
ADDELM |
1:20.99 |
1:16.37 |
-4.62 |
| 3 |
Tomioka, Jeremiah I (12)
|
MRPAC |
1:18.59 |
1:16.86 |
-1.73 |
| 4 |
Insdorf, Joshua C (11)
|
MRMWDA |
1:21.48 |
1:21.29 |
-0.19 |
| 5 |
Paltag, Daniel I (12)
|
MRPAC |
1:23.81 |
1:25.76 |
1.95 |
| 6 |
Placencia-Nazareno, Ethan (12)
|
MRUN |
1:33.20 |
1:28.93 |
-4.27 |
| 7 |
Witting, Liam T (12)
|
ADDELM |
1:56.87 |
1:37.08 |
-19.79 |
| 8 |
Yastion, Adam E (12)
|
MRMWDA |
1:47.11 |
1:37.83 |
-9.28 |
| 9 |
Tieckelmann, Connor R (12)
|
ADUN |
|
1:38.06 |
- |
| 10 |
Han, Jake J (11)
|
ADCPP |
|
1:38.99 |
- |
| 11 |
Tuttle, Peyton J (12)
|
MRNBS |
1:44.49 |
1:39.24 |
-5.25 |
| 12 |
Mummery, John F (12)
|
MRNBS |
1:45.61 |
1:39.86 |
-5.75 |
| 13 |
Cooper, Jackson C (11)
|
MRNBS |
1:46.73 |
1:42.14 |
-4.59 |
| 14 |
Lam, Vernon J (11)
|
MRYBAR |
1:31.62 |
1:43.40 |
11.78 |
| 15 |
Rothman, Devin R (11)
|
MRUN |
1:48.73 |
1:48.74 |
0.01 |
| 16 |
Burgarelli, Sebastian (12)
|
MRNBS |
2:01.39 |
1:50.12 |
-11.27 |
| 17 |
Lischinsky, Stephen J (12)
|
ADHAWK |
|
2:02.27 |
- |