| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wei, Ruichen (11)
|
MREAST |
1:46.16 |
1:24.32 |
-21.84 |
| 2 |
Rodriguez, Christian J (12)
|
MREAST |
1:28.64 |
1:26.28 |
-2.36 |
| 3 |
Sahi, Maximus Sandeep Alex (12)
|
MREAST |
1:27.77 |
1:26.64 |
-1.13 |
| 4 |
Masters, Andrew C (12)
|
MREAST |
1:31.00 |
1:30.46 |
-0.54 |
| 5 |
Sage, Nikolai (12)
|
MREAST |
1:41.49 |
1:31.56 |
-9.93 |
| 6 |
Rao, Wenxi E (11)
|
MREAST |
1:33.51 |
1:32.67 |
-0.84 |
| 7 |
Kania-Neira, Nikko (11)
|
CTGRYM |
1:33.14 |
1:34.85 |
1.71 |
| 8 |
Guo, Eric Y (11)
|
MREAST |
1:46.06 |
1:36.29 |
-9.77 |
| 9 |
Otto, Ethan (11)
|
MREAST |
1:39.77 |
1:36.41 |
-3.36 |
| 10 |
Acevedo, Ralph (12)
|
MREAST |
1:47.25 |
1:43.05 |
-4.20 |
| 11 |
Afshar, Nicolas C (11)
|
MREAST |
|
1:44.45 |
- |
| 12 |
Cha, Oliver (11)
|
CTGRYM |
1:47.57 |
1:47.70 |
0.13 |
| 13 |
Murphy, James C (11)
|
CTGRYM |
2:23.28 |
1:49.35 |
-33.93 |
| 14 |
Duan, Kaden (12)
|
MREAST |
1:51.00 |
1:54.09 |
3.09 |
| 15 |
Pinkhasik, Jacob J (11)
|
MREAST |
|
2:05.09 |
- |
| 16 |
Bandsma, Oran I (11)
|
MREAST |
2:27.31 |
2:26.16 |
-1.15 |
|
Geer, Charles M (11)
|
MREAST |
1:39.47 |
DQ |
- |
|
Liu, Matthew (11)
|
MREAST |
|
NS |
- |