| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mikhailov-Bakker, Dmitry J (8)
|
PVDCPR |
45.00 |
38.23 |
-6.77 |
| 2 |
Smith, Aidan G (8)
|
PVPGPR |
49.63 |
41.76 |
-7.87 |
| 3 |
Steinhardt, William R (8)
|
PVPGPR |
1:10.32 |
44.40 |
-25.92 |
| 4 |
Peterson Arias, Ian A (7)
|
PVDCPR |
50.02 |
53.06 |
3.04 |
| 5 |
Tineo, Xavier J (6)
|
PVDCPR |
1:04.63 |
55.17 |
-9.46 |
| 6 |
Dion, Luke M (8)
|
PVDCPR |
53.71 |
1:00.49 |
6.78 |
| 7 |
White, Robert A (8)
|
PVPGPR |
|
1:01.57 |
- |
| 8 |
Hawkins, Myles J (6)
|
PVERSC |
|
1:05.57 |
- |
| 9 |
dos Santos, Samuel M (8)
|
PVDCPR |
55.31 |
1:06.41 |
11.10 |
| 10 |
Davidowitz, Maureece E (8)
|
PVDCPR |
1:06.10 |
1:07.90 |
1.80 |