| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pereira, Alessandro (10)
|
FGSOFL |
1:10.53 |
1:08.85 |
-1.68 |
| 2 |
Kyser, Landon A (10)
|
FGHAT |
1:10.91 |
1:09.60 |
-1.31 |
| 3 |
Cuffe, Jason O (10)
|
FGSFTL |
1:11.60 |
1:11.39 |
-0.21 |
| 4 |
Musa, Farouk (9)
|
FGHAT |
1:14.71 |
1:12.68 |
-2.03 |
| 5 |
Colmenares, Javier A (10)
|
FGSOFL |
1:13.99 |
1:14.38 |
0.39 |
| 6 |
Lozano, Jonathan (9)
|
FGSOFL |
1:19.07 |
1:16.07 |
-3.00 |
| 7 |
Ekanayake, Marvan (10)
|
FGSF |
1:17.80 |
1:17.06 |
-0.74 |
| 8 |
Williams, Owen N (10)
|
FGHAT |
1:15.65 |
1:17.83 |
2.18 |
| 9 |
Mestre, Joaquin L (10)
|
FGGRSC |
1:21.78 |
1:18.31 |
-3.47 |
| 10 |
Evans, Henry F (10)
|
FGJDST |
1:20.29 |
1:18.33 |
-1.96 |
| 11 |
Weingard, Luke (10)
|
FGYSF |
1:19.65 |
1:18.57 |
-1.08 |
| 12 |
Brisco, Riley J (10)
|
FGLLL |
1:34.54 |
1:19.68 |
-14.86 |
| 13 |
Guio, Sebastian (9)
|
FGYSF |
1:20.44 |
1:19.86 |
-0.58 |
| 14 |
Morlote, Carlos A (9)
|
FGGRSC |
1:20.33 |
1:19.94 |
-0.39 |
| 15 |
Pokatragool, Paul (10)
|
FGSAS |
1:22.69 |
1:20.10 |
-2.59 |
| 16 |
Gomez, Nohan (9)
|
FGCM |
1:20.45 |
1:20.31 |
-0.14 |
| 17 |
Strohecker, Maxwell W (10)
|
FGNPB |
1:19.02 |
1:20.71 |
1.69 |
| 18 |
Ferguson, Dylan C (10)
|
FGMACM |
1:22.81 |
1:20.79 |
-2.02 |
| 19 |
Allahar, Benjamin P (9)
|
FGNPB |
1:20.03 |
1:20.90 |
0.87 |
| 20 |
Rivas, Fabio A (10)
|
FGHSC |
1:21.56 |
1:21.16 |
-0.40 |
| 21 |
Ekanayake, Hashan (10)
|
FGSF |
1:20.14 |
1:22.10 |
1.96 |
| 22 |
Barreto, Fernando (10)
|
FGSOFL |
1:21.51 |
1:22.39 |
0.88 |
| 23 |
Panol, Omar (8)
|
FGBMHG |
1:23.04 |
1:25.54 |
2.50 |
|
Rilo, Ares A (9)
|
FGSUN |
1:20.51 |
DQ |
- |
|
Dasilva, Andreas A (8)
|
FGWOW |
1:23.14 |
DQ |
- |
|
Johnson, Marcus K (10)
|
FGBRST |
1:20.00 |
DQ |
- |