| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hancu, Andrei G (12)
|
ADSCHE |
1:21.57 |
1:18.73 |
-2.84 |
| 2 |
Xiang, Chenxu (12)
|
ADCPP |
1:27.98 |
1:26.03 |
-1.95 |
| 3 |
Baird, Connor S (12)
|
ADSCHE |
1:30.71 |
1:26.07 |
-4.64 |
| 4 |
Andersen, Nathanial W (12)
|
ADEELS |
1:21.59 |
1:26.20 |
4.61 |
| 5 |
Moore, James P (11)
|
ADDELM |
1:23.30 |
1:27.56 |
4.26 |
| 6 |
Gao, Forrest S (12)
|
ADCPP |
1:28.82 |
1:32.05 |
3.23 |
| 7 |
Coppola, Vincent J (11)
|
ADBFIN |
1:36.19 |
1:33.78 |
-2.41 |
| 8 |
Martin, Wyatt R (12)
|
ADSCHE |
1:34.19 |
1:36.15 |
1.96 |
|
McFarland, Finnegan D (11)
|
ADBFIN |
1:32.38 |
DQ |
- |
|
Stoup, Zachary J (12)
|
ADCPP |
1:28.48 |
DQ |
- |