| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wai, Anthony T (8)
|
PVNCAP |
|
40.08 |
- |
| 2 |
Meiring, Landon M (8)
|
PVMACH |
1:03.61 |
44.45 |
-19.16 |
| 3 |
Korolev, Ilya G (8)
|
PVMACH |
|
44.63 |
- |
| 4 |
Cameron, Asher W (8)
|
PVAAC |
|
45.64 |
- |
| 5 |
Schrank, Declan R (8)
|
PVNCAP |
|
46.95 |
- |
| 6 |
Blais, Sawyer R (8)
|
PVNCAP |
1:01.01 |
50.84 |
-10.17 |
| 7 |
Ramirez, Carlos M (8)
|
PVAAC |
|
51.45 |
- |
| 8 |
Rose, Andrew J (8)
|
PVNCAP |
|
52.93 |
- |
| 9 |
Hunter, William B (8)
|
PVHACC |
|
53.21 |
- |
| 10 |
Dougherty, Logan M (8)
|
PVHACC |
|
53.56 |
- |
| 11 |
Thatcher, Dylan J (8)
|
PVNCAP |
|
53.91 |
- |
| 12 |
Maslowski, Jonathan W (8)
|
PVBWST |
|
54.69 |
- |
| 13 |
Boyd, Stefen J (8)
|
PVNCAP |
|
57.19 |
- |
| 14 |
Duffin, Jack E (8)
|
PVBWST |
|
1:00.22 |
- |
| 15 |
Ramirez, Oliver G (8)
|
PVAAC |
|
1:03.45 |
- |
|
Lahlou-Rast, Jordan A (8)
|
PVNCAP |
|
DQ |
- |
|
Caulfield, Weston C (8)
|
PVAAC |
|
DQ |
- |