| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Freeze, Grant M (11)
|
WIOZ |
1:05.04 |
1:09.32 |
4.28 |
| 2 |
Li, Daniel Y (12)
|
WISSTY |
1:12.68 |
1:12.64 |
-0.04 |
| 3 |
Bergin, Samuel P (11)
|
WIEBSC |
1:15.47 |
1:12.70 |
-2.77 |
| 4 |
Walter, Nolan L (11)
|
WIASC |
1:12.91 |
1:13.71 |
0.80 |
| 5 |
Denis IV, James P (12)
|
WIEBSC |
1:17.02 |
1:13.91 |
-3.11 |
| 6 |
Kim, Ethan P (12)
|
WISHOR |
1:20.73 |
1:16.05 |
-4.68 |
| 7 |
Foy, Declan K (12)
|
WISHOR |
1:20.32 |
1:17.51 |
-2.81 |
| 8 |
Korabelnikov, Eythan (11)
|
WIEBSC |
1:18.48 |
1:19.38 |
0.90 |
| 9 |
Stickler, Colin E (12)
|
WIOZ |
1:26.34 |
1:19.73 |
-6.61 |
| 10 |
Llamazares, Mateo (12)
|
WIEBSC |
1:18.75 |
1:20.75 |
2.00 |
| 11 |
Crawford, Colton D (11)
|
WISSTY |
1:27.67 |
1:20.95 |
-6.72 |
| 12 |
Mielnicki, Daniel C (12)
|
WISHOR |
1:19.54 |
1:23.13 |
3.59 |
| 13 |
Raymond, Jake E (12)
|
WISHOR |
1:21.13 |
1:24.69 |
3.56 |
| 14 |
Hitchcock, Everhett R (11)
|
WISSTY |
1:29.11 |
1:25.71 |
-3.40 |
| 15 |
Hupfer, Jacob R (11)
|
WIRA |
1:33.72 |
1:28.25 |
-5.47 |
| 16 |
Bonis, Jonathon R (12)
|
WIEBSC |
1:37.45 |
1:37.10 |
-0.35 |
| 17 |
Witt, Nathan E (11)
|
WIRA |
2:23.96 |
1:47.96 |
-36.00 |
|
Knight, Gavin P (11)
|
WIRA |
1:48.08 |
NS |
- |
|
Coppens, Kaige Z (11)
|
WIASC |
1:28.65 |
NS |
- |