| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Milio, Franco A (14)
|
MRNYSA |
1:11.02 |
1:10.77 |
-0.25 |
| 2 |
Kaminskiy, Anthony N (14)
|
MRNYSA |
1:19.46 |
1:15.20 |
-4.26 |
| 3 |
Perunsky, Christian (14)
|
MRDVWM |
1:14.93 |
1:15.62 |
0.69 |
| 4 |
Hitnariansingh, Brian (13)
|
MRWSSC |
1:19.40 |
1:16.75 |
-2.65 |
| 5 |
Cobb, Dylan M (14)
|
MRMWDA |
1:21.20 |
1:17.69 |
-3.51 |
| 6 |
Scott, Jalen A (14)
|
MRRA |
1:19.92 |
1:17.83 |
-2.09 |
| 7 |
Kucera, Mikulas E (13)
|
MRNYSA |
1:19.19 |
1:18.02 |
-1.17 |
| 8 |
El Ghissassi, Awab (13)
|
NIUN |
1:16.57 |
1:18.05 |
1.48 |
| 9 |
Chen-Suzuki, Keizo N (13)
|
MRNDAC |
1:18.76 |
1:20.96 |
2.20 |
| 10 |
Button, Samuel M (13)
|
MRNDAC |
1:19.28 |
1:21.65 |
2.37 |
| 11 |
Velasquez, Vicente O (13)
|
MRPAC |
1:25.13 |
1:24.19 |
-0.94 |
| 12 |
Juarez Espinoza, Marvin (14)
|
MRMHHW |
1:33.06 |
1:29.08 |
-3.98 |
| 13 |
Burgarelli, Sebastian (13)
|
MRNBS |
1:37.27 |
1:29.76 |
-7.51 |
| 14 |
Sonakya, Rohan S (14)
|
MRMWDA |
1:40.82 |
1:30.76 |
-10.06 |
| 15 |
Geraghty, Evan C (13)
|
MRRA |
1:34.88 |
1:33.68 |
-1.20 |
| 16 |
Payne, Tristan A (13)
|
MRRA |
1:35.03 |
1:35.38 |
0.35 |
| 17 |
Lewis, Zachary J (14)
|
MRMWDA |
1:40.68 |
1:38.34 |
-2.34 |
| 18 |
Cruz Santos, Yoel (13)
|
MRMHHW |
1:38.15 |
1:39.56 |
1.41 |