| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yu, Haochen (11)
|
MREAST |
1:08.59 |
1:08.21 |
-0.38 |
| 2 |
Thigpen, Charles G (12)
|
MREAST |
1:08.47 |
1:09.95 |
1.48 |
| 3 |
Sahi, Maximus Sandeep Alex (12)
|
MREAST |
1:11.75 |
1:10.70 |
-1.05 |
| 4 |
Partridge, Dashiell (12)
|
CTGRYM |
1:36.34 |
1:13.42 |
-22.92 |
| 5 |
Rodriguez, Christian J (12)
|
MREAST |
1:15.77 |
1:15.12 |
-0.65 |
| 6 |
Kania-Neira, Nikko (11)
|
CTGRYM |
1:17.24 |
1:17.13 |
-0.11 |
| 7 |
Masters, Andrew C (12)
|
MREAST |
1:18.04 |
1:17.71 |
-0.33 |
| 8 |
Gojka, Joseph R (11)
|
MREAST |
1:26.90 |
1:21.64 |
-5.26 |
| 9 |
Kampf, William S (11)
|
CTGRYM |
1:27.79 |
1:24.55 |
-3.24 |
| 10 |
Biddle, James D (11)
|
CTGRYM |
1:29.04 |
1:26.56 |
-2.48 |
| 11 |
Afshar, Nicolas C (11)
|
MREAST |
|
1:28.16 |
- |
| 12 |
Dong, Tian (11)
|
MREAST |
1:47.05 |
1:34.23 |
-12.82 |
| 13 |
Bates, John P (12)
|
MREAST |
1:43.83 |
1:34.43 |
-9.40 |
| 14 |
Basavaraju, Ronav S (12)
|
MREAST |
|
1:41.02 |
- |
| 15 |
Acevedo, Ralph (12)
|
MREAST |
1:43.35 |
1:41.07 |
-2.28 |
|
Geer, Charles M (11)
|
MREAST |
50.00 |
DQ |
- |
|
Licciardello, Salvatore M (12)
|
MREAST |
2:12.84 |
DQ |
- |
|
Amen, Logan B (12)
|
CTGRYM |
|
DQ |
- |