| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tarafa, Matthew A (12)
|
FGHSC |
57.27 |
57.55 |
0.28 |
| 2 |
Lares, Sebastian A (12)
|
FGSOFL |
59.55 |
1:01.21 |
1.66 |
| 3 |
Hewitt, Carter M (12)
|
FGECAC |
1:03.16 |
1:01.56 |
-1.60 |
| 4 |
Proscia, Christian G (12)
|
FGFAST |
1:05.42 |
1:02.05 |
-3.37 |
| 5 |
Winkler, Finn (12)
|
FGMS |
1:02.20 |
1:02.06 |
-0.14 |
| 6 |
Kjaerulff, Nicholas (12)
|
FGECAC |
1:04.94 |
1:03.34 |
-1.60 |
| 7 |
Mateus, Alejandro E (11)
|
FGSOFL |
1:05.13 |
1:03.46 |
-1.67 |
| 8 |
Chen, Eddy W (12)
|
FGGRSC |
1:06.76 |
1:04.70 |
-2.06 |
| 9 |
Zilch, Tanner A (12)
|
FGJDST |
1:08.01 |
1:04.95 |
-3.06 |
| 10 |
Smith, Noah J (11)
|
FGFAST |
1:03.87 |
1:04.96 |
1.09 |
| 11 |
Chavez, David J (12)
|
FGMS |
1:04.37 |
1:05.06 |
0.69 |
| 12 |
Felt, Dylan M (12)
|
FGSFTL |
1:04.36 |
1:05.23 |
0.87 |
| 13 |
Curtis, Steven M (11)
|
FGJDST |
1:05.83 |
1:05.88 |
0.05 |
| 14 |
Nunez, Alex B (12)
|
FGJDST |
1:06.05 |
1:06.51 |
0.46 |
| 15 |
Balbi, Julian A (12)
|
FGSAS |
1:08.73 |
1:06.74 |
-1.99 |
| 16 |
Smiley, Dylan (12)
|
FGMCDA |
1:07.23 |
1:07.78 |
0.55 |
| 17 |
Lopez-Casula, Marcoaurelio (12)
|
FGHSC |
1:10.95 |
1:07.97 |
-2.98 |
| 18 |
Schulte, Jake D (12)
|
FGPOMP |
1:08.48 |
1:08.20 |
-0.28 |
| 19 |
Arrese-Igor, Aitor (12)
|
FGPCS |
1:10.23 |
1:08.63 |
-1.60 |
| 20 |
Zepeda, Aldo E (11)
|
FGSOFL |
1:13.45 |
1:09.58 |
-3.87 |
| 21 |
Sun, Mu (12)
|
FGWOW |
1:10.42 |
1:10.56 |
0.14 |
| 22 |
Burunov, Vadim (11)
|
FGHAFL |
1:07.40 |
1:10.57 |
3.17 |
| 23 |
Balbi, Diego N (11)
|
FGSAS |
1:10.02 |
1:10.83 |
0.81 |
| 24 |
Campos, David A (12)
|
FGGRSC |
1:11.50 |
1:11.12 |
-0.38 |
| 25 |
Collazo, Fernando (11)
|
FGGRSC |
1:12.34 |
1:11.58 |
-0.76 |
| 26 |
Gary, Steven T (11)
|
FGPOMP |
1:10.92 |
1:12.16 |
1.24 |
| 27 |
Porven, Lucas A (11)
|
FGSOFL |
1:13.48 |
1:14.52 |
1.04 |
|
Meiselman, Ian (12)
|
FGUN |
1:12.76 |
DQ |
- |
|
Villarta, Julian A (12)
|
FGSF |
1:11.69 |
NS |
- |