| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Balbi, Julian A (14)
|
FGSAS |
1:02.36 |
1:02.28 |
-0.08 |
| 2 |
Aronsohn, Matthew C (14)
|
FGSAS |
1:01.58 |
1:03.27 |
1.69 |
| 3 |
Venezia, Jake E (13)
|
FGPCS |
1:05.41 |
1:03.63 |
-1.78 |
| 4 |
Balbi, Diego N (13)
|
FGSAS |
1:05.72 |
1:05.58 |
-0.14 |
| 5 |
Vittorini, Michael A (14)
|
FGSAS |
1:07.22 |
1:06.03 |
-1.19 |
| 6 |
Bennett, Jonah T (14)
|
FGPCS |
1:16.87 |
1:07.49 |
-9.38 |
| 7 |
Lamy, Shawn D (14)
|
FGSFTL |
1:18.88 |
1:11.01 |
-7.87 |
| 8 |
Baltodano, Michael A (13)
|
FGUN |
1:11.79 |
1:11.26 |
-0.53 |
| 9 |
Escobar, Xander (14)
|
FGPCS |
1:19.07 |
1:12.17 |
-6.90 |
| 10 |
Parajon, Daniel J (13)
|
FGUN |
|
1:14.85 |
- |
| 11 |
Nguyen, Alexander K (13)
|
FGUN |
|
1:26.20 |
- |
| 12 |
Garcia, Roger A (13)
|
FGRANS |
|
1:29.61 |
- |