| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Miao, Owen (10)
|
MRLGAC |
1:18.08 |
1:15.79 |
-2.29 |
| 2 |
Chariah, Joshua S (10)
|
MRLGAC |
1:25.17 |
1:19.67 |
-5.50 |
| 3 |
Chan, Aidan (9)
|
MRFLY |
1:20.70 |
1:20.47 |
-0.23 |
| 4 |
Lin, Rong Geng (9)
|
MRFLY |
1:29.90 |
1:22.64 |
-7.26 |
| 5 |
Corcuera, Christian L (9)
|
MRLGAC |
|
1:23.30 |
- |
| 6 |
King, Anthony S (10)
|
MRHES |
1:43.06 |
1:23.70 |
-19.36 |
| 7 |
Jiang, Junyi (9)
|
MRFLY |
1:31.43 |
1:29.13 |
-2.30 |
| 8 |
Mazo, Or (10)
|
MRHES |
1:41.45 |
1:29.62 |
-11.83 |
| 9 |
Hyndman, Nathaniel M (10)
|
MRHES |
1:39.41 |
1:30.35 |
-9.06 |
| 10 |
Ge, Tristan Q (10)
|
MRLGAC |
|
1:31.44 |
- |
| 11 |
Sungrab, Henry T (9)
|
MRLGAC |
1:36.13 |
1:32.42 |
-3.71 |
| 12 |
Pavelka, Matthew (10)
|
MRQNS |
1:38.11 |
1:33.37 |
-4.74 |
| 13 |
Minchala, Ismael F (9)
|
MRFLY |
1:41.03 |
1:33.66 |
-7.37 |
| 14 |
Trombetta, Luke S (10)
|
MRRA |
1:41.14 |
1:34.11 |
-7.03 |
| 15 |
Tsering, Jigdal N (9)
|
MRLGAC |
|
1:37.92 |
- |
| 16 |
Lau, Alexander (10)
|
MRQNS |
1:47.19 |
1:40.92 |
-6.27 |
| 17 |
Lalley, Jack A (9)
|
MRQNS |
|
1:43.19 |
- |
| 18 |
Wang, Oscar (10)
|
MRHYB |
|
1:44.52 |
- |
| 19 |
Variano, Matthew B (9)
|
MRRA |
1:46.69 |
1:44.56 |
-2.13 |
|
Sundberg, Kyle (10)
|
MRHYB |
|
DQ |
- |
|
Leroy, Max (10)
|
MRHYB |
1:39.92 |
DQ |
- |
|
Turi, Abel (9)
|
MRRED |
1:39.09 |
DQ |
- |