| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Givskov, Daniel (12)
|
FGSFTL |
55.78 |
55.74 |
-0.04 |
| 2 |
Cuffe, Jason O (11)
|
FGSFTL |
59.52 |
59.44 |
-0.08 |
| 3 |
Ferrara, Roman J (11)
|
FGPCS |
1:02.05 |
1:01.63 |
-0.42 |
| 4 |
Powers-Hammond, Thomas J (12)
|
FGSFTL |
1:03.49 |
1:04.74 |
1.25 |
| 5 |
Armbruster, Tyler K (11)
|
FGPCS |
1:03.05 |
1:04.91 |
1.86 |
| 6 |
Suarez, Mario E (12)
|
FGPCS |
1:07.59 |
1:05.00 |
-2.59 |
| 7 |
Jones, Ronin (11)
|
FGPCS |
1:07.35 |
1:05.06 |
-2.29 |
| 8 |
Kingston, Eduardo F (11)
|
FGMS |
1:10.43 |
1:06.22 |
-4.21 |
| 9 |
Tortola, Gabriel (11)
|
FGPCS |
1:08.45 |
1:06.57 |
-1.88 |
| 10 |
Fermin, Tomas E (11)
|
FGMS |
1:06.28 |
1:07.09 |
0.81 |
| 11 |
Nimroozi, Nick (11)
|
FGSFTL |
1:08.27 |
1:07.64 |
-0.63 |
| 12 |
Ramirez, Andres (11)
|
FGPCS |
1:13.59 |
1:14.33 |
0.74 |
| 13 |
Lvov, Benjamin (11)
|
FGBRST |
|
1:15.64 |
- |
| 14 |
Nyugen, Alexander K (12)
|
FGMS |
1:19.89 |
1:18.55 |
-1.34 |
| 15 |
Linares, Mateo (12)
|
FGSFTL |
|
1:19.48 |
- |
| 16 |
Morales, Julian M (11)
|
FGPCS |
1:20.76 |
1:19.58 |
-1.18 |
| 17 |
Mantilla, Juan I (12)
|
FGMS |
1:22.73 |
1:19.96 |
-2.77 |
| 18 |
Warner, Raymond H (11)
|
FGPCS |
1:22.62 |
1:22.40 |
-0.22 |
| 19 |
Fediushko, Roman (12)
|
FGSFTL |
1:31.33 |
1:25.56 |
-5.77 |
| 20 |
Gabrielle, William K (11)
|
FGPCS |
|
1:31.61 |
- |
|
Nealy, Colin J (12)
|
FGPCS |
1:01.77 |
NS |
- |
|
Saffari, Kian (12)
|
FGPCS |
1:09.48 |
NS |
- |
|
Baltodano, Michael A (12)
|
FGMS |
1:02.56 |
NS |
- |