| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Liu, Alexander J (19)
|
MRUN |
1:01.22 |
1:04.77 |
3.55 |
| 2 |
Foster, Sean R (17)
|
MRUN |
1:14.27 |
1:11.87 |
-2.40 |
| 3 |
Daniels, Owen D (13)
|
MRNDAC |
1:18.40 |
1:12.91 |
-5.49 |
| 4 |
Gutterman, Hunter M (14)
|
MRNDAC |
1:16.08 |
1:15.04 |
-1.04 |
| 5 |
Lan, Emelia (13)
|
NJWAVE |
1:15.91 |
1:16.67 |
0.76 |
| 6 |
Smith, Charlotte T (16)
|
MRNDAC |
1:16.20 |
1:17.25 |
1.05 |
| 7 |
Vandamme, Isabelle (16)
|
MRNDAC |
1:16.27 |
1:18.17 |
1.90 |
| 8 |
Sanford, Lauren E (18)
|
MRNDAC |
1:12.46 |
1:19.43 |
6.97 |
| 9 |
Chen-Suzuki, Keizo N (14)
|
MRNDAC |
1:18.76 |
1:20.65 |
1.89 |
| 10 |
Fountain, Jamison D (14)
|
MRNDAC |
1:20.11 |
1:29.79 |
9.68 |
| 11 |
Dorner, Benjamin R (14)
|
MRNDAC |
1:32.78 |
1:31.97 |
-0.81 |
| 12 |
Adamo, Gabriella R (16)
|
ADUSAM |
1:27.10 |
1:32.07 |
4.97 |
|
Heidebrecht, Martin H (15)
|
MRNDAC |
1:17.96 |
DQ |
- |
|
Sullivan, Mallory C (15)
|
ADKING |
1:16.09 |
NS |
- |
|
Button, Molly I (14)
|
MRNDAC |
1:24.53 |
NS |
- |