| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kazar, Michael P (9)
|
FGAZFL |
|
1:24.24 |
- |
| 2 |
Silva, John Brendon O (10)
|
FGWASC |
1:28.05 |
1:25.43 |
-2.62 |
| 3 |
Shearer, Mateo (10)
|
FGSUN |
1:32.25 |
1:26.02 |
-6.23 |
| 4 |
Karachun, Matviy (9)
|
FGYSF |
1:24.56 |
1:26.55 |
1.99 |
| 5 |
Opperman, Lucas M (10)
|
FGTSA |
1:30.17 |
1:28.78 |
-1.39 |
| 6 |
Landron, Rafael (9)
|
FGSUN |
1:32.80 |
1:29.86 |
-2.94 |
| 7 |
Hau, Derek (9)
|
FGSF |
1:33.35 |
1:32.46 |
-0.89 |
| 8 |
Romano, Nicolo P (9)
|
FGHAFL |
|
1:37.46 |
- |
| 9 |
Livsey, Brooks M (10)
|
FGYSF |
1:34.82 |
1:37.80 |
2.98 |
| 10 |
Guardia, Javier A (9)
|
FGPST |
|
1:48.26 |
- |
| 11 |
Noble-Mattis, Justin A (9)
|
FGPST |
|
1:49.39 |
- |
| 12 |
Korb, Beckhem B (10)
|
FGUNAT |
1:56.16 |
1:58.11 |
1.95 |
| 13 |
Rattray, Kenneth P (10)
|
FGCSSC |
2:08.11 |
2:03.01 |
-5.10 |
|
Nimroozi, Nick (10)
|
FGSFTL |
1:34.26 |
DQ |
- |
|
White, Oscar (10)
|
FGHAFL |
|
DQ |
- |
|
Jean, Mason A (10)
|
FGHAFL |
|
DQ |
- |
|
Rubio, Joshua (8)
|
FGCCPR |
|
DQ |
- |
|
Ng, Evan (10)
|
FGCSSC |
1:49.75 |
DQ |
- |
|
Lewis-Charles, Giovanni J (9)
|
FGPST |
|
NS |
- |