| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Felt, Dylan M (14)
|
FGSFTL |
57.14 |
57.94 |
0.80 |
| 2 |
Smiley, Dylan (13)
|
FGMCDA |
59.92 |
58.68 |
-1.24 |
| 3 |
Roy, Ishan (14)
|
FGSAS |
56.13 |
59.13 |
3.00 |
| 4 |
Mitchell, Dominick J (14)
|
FGSFTL |
1:01.41 |
1:02.44 |
1.03 |
| 5 |
Arrese-Igor, Aitor (13)
|
FGPCS |
1:05.18 |
1:02.65 |
-2.53 |
| 6 |
Venezia, Jake E (13)
|
FGPCS |
1:05.64 |
1:02.87 |
-2.77 |
| 7 |
McCrady, James H (14)
|
FGSFTL |
1:04.06 |
1:03.15 |
-0.91 |
| 8 |
Lobaton Vargas, Sebastian (13)
|
FGAZFL |
1:05.79 |
1:03.23 |
-2.56 |
| 9 |
Burunov, Vadim (13)
|
FGHAFL |
1:11.14 |
1:03.63 |
-7.51 |
| 10 |
Nealy, Colin J (13)
|
FGPCS |
1:04.32 |
1:03.97 |
-0.35 |
| 11 |
Nordheim, Gregory A (14)
|
FGSAS |
1:02.32 |
1:04.05 |
1.73 |
| 12 |
Suarez, Mario E (13)
|
FGPCS |
1:05.71 |
1:04.43 |
-1.28 |
| 13 |
Bencie, Brian M (14)
|
FGSFTL |
1:42.18 |
1:05.31 |
-36.87 |
| 14 |
Gill, Andres F (14)
|
FGHAFL |
1:10.00 |
1:06.29 |
-3.71 |
| 15 |
Pokatragool, Pete (14)
|
FGSAS |
1:11.38 |
1:06.54 |
-4.84 |
| 16 |
Denhard, Wyatt J (14)
|
FGPCS |
1:11.63 |
1:08.38 |
-3.25 |
| 17 |
Bennett, Jonah T (14)
|
FGPCS |
1:13.11 |
1:09.35 |
-3.76 |
| 18 |
Powers-Hammond, Thomas J (13)
|
FGSFTL |
1:08.45 |
1:10.01 |
1.56 |
| 19 |
Galan Aldeanueva, Gonzalo (14)
|
FGSAS |
1:10.25 |
1:10.14 |
-0.11 |
| 20 |
Saffari, Kian (13)
|
FGPCS |
1:16.75 |
1:12.99 |
-3.76 |
| 21 |
Escobar, Xander (14)
|
FGPCS |
1:19.95 |
1:20.07 |
0.12 |
| 22 |
DiCorpo, Vincenzo A (14)
|
FGSF |
|
1:29.19 |
- |
|
Santos, Jonas Y (13)
|
FGSFTL |
1:06.02 |
NS |
- |
|
Arbelo, Tyler A (13)
|
FGSF |
1:08.59 |
NS |
- |