| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Goncharov, Makar (12)
|
FGSFTL |
56.23 |
56.57 |
0.34 |
| 2 |
Ferrara, Roman J (12)
|
FGPCS |
58.08 |
58.72 |
0.64 |
| 3 |
Fermin, Tomas E (12)
|
FGUN |
58.35 |
59.72 |
1.37 |
| 4 |
Armbruster, Tyler K (12)
|
FGPCS |
59.95 |
1:00.93 |
0.98 |
| 5 |
Taus-Nita, Alexander (12)
|
FGPCS |
1:04.42 |
1:02.63 |
-1.79 |
| 6 |
Lin, Christopher T (11)
|
FGPCS |
1:06.26 |
1:03.13 |
-3.13 |
| 7 |
Miller, Ryan W (11)
|
FGUN$ |
1:03.58 |
1:03.16 |
-0.42 |
| 7 |
Allahar, Benjamin P (11)
|
FGNPB |
1:03.21 |
1:03.16 |
-0.05 |
| 9 |
Carey, Connor I (11)
|
FGSFTL |
1:05.31 |
1:03.47 |
-1.84 |
| 10 |
Corrales, Renato (11)
|
FGSFTL |
1:08.65 |
1:06.47 |
-2.18 |
| 11 |
Nehme, Sean A (12)
|
FGSFTL |
1:09.53 |
1:07.48 |
-2.05 |
| 12 |
Gonzalez, Nicolas (12)
|
FGUN |
1:08.90 |
1:07.71 |
-1.19 |
| 13 |
Martinez, Reinaldo (12)
|
FGSFTL |
1:15.11 |
1:09.38 |
-5.73 |
| 14 |
Hershey, Vincent P (11)
|
FGSF |
1:22.70 |
1:12.14 |
-10.56 |
| 15 |
Arfa, Drew T (12)
|
FGPCS |
1:10.98 |
1:12.82 |
1.84 |
| 16 |
Fernandez, Eduardo P (12)
|
FGUN |
1:17.67 |
1:13.20 |
-4.47 |
| 17 |
Paden, Brett A (12)
|
FGPCS |
1:16.91 |
1:13.79 |
-3.12 |
| 18 |
Sauvage, Oliver (11)
|
FGSFTL |
1:19.82 |
1:14.48 |
-5.34 |
| 19 |
Chang, Noah S (11)
|
FGSF |
1:20.00 |
1:17.23 |
-2.77 |
| 20 |
Rosenthal, Frederick B (11)
|
FGPCS |
1:21.37 |
1:18.90 |
-2.47 |
| 21 |
Reddick, Elijah Z (11)
|
FGSFTL |
1:17.04 |
1:19.11 |
2.07 |
| 22 |
Torres, Jose A (11)
|
FGSFTL |
1:24.00 |
1:23.41 |
-0.59 |