| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Badmus, Nathan T (9)
|
PVMSSC |
37.50 |
36.37 |
-1.13 |
| 2 |
Solares, Santiago R (9)
|
PVFAST |
45.23 |
41.52 |
-3.71 |
| 3 |
Laskowski, Malcolm E (10)
|
PVDCPR |
40.68 |
41.57 |
0.89 |
| 4 |
Reeves, Kazuki E (10)
|
PVPAC |
47.32 |
46.03 |
-1.29 |
| 5 |
Calabrese, Dominic M (10)
|
PVMSSC |
49.05 |
46.79 |
-2.26 |
| 6 |
Hebert, Owen R (9)
|
PVFAST |
47.03 |
48.66 |
1.63 |
| 7 |
Markovitz, Zachary M (8)
|
PVMSSC |
45.38 |
50.76 |
5.38 |
| 8 |
Mikhailov-Bakker, Dmitry J (8)
|
PVDCPR |
|
52.53 |
- |
| 9 |
Foley, Luke D (9)
|
PVPAC |
58.66 |
56.51 |
-2.15 |
| 10 |
Badmus, Joshua T (8)
|
PVMSSC |
54.05 |
58.47 |
4.42 |
| 11 |
Jefferson, Alexander E (10)
|
PVDCPR |
1:04.42 |
1:06.24 |
1.82 |
| 12 |
Fan, Leo (8)
|
PVMSSC |
|
1:08.07 |
- |
|
Rhoades, Cooper H (10)
|
PVPAC |
|
DQ |
- |
|
Kang, Juwan E (10)
|
PVMAC |
|
DQ |
- |
|
Calabrese, Anthony J (8)
|
PVMSSC |
|
DQ |
- |
|
Moisiuk, Lucas A (9)
|
PVFAST |
|
DQ |
- |
|
Dodger-Fox, Wilgus E (9)
|
PVDCPR |
|
DQ |
- |
|
Taransky, Benjamin R (8)
|
PVDCPR |
|
NS |
- |
|
Patel, Sahan K (10)
|
PVDCPR |
1:15.02 |
NS |
- |
|
Degraffinreaidt, Darian D (10)
|
PVDCPR |
47.30 |
NS |
- |