| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Adams, Denny L (12)
|
BDSWAT |
1:04.44 |
1:06.71 |
2.27 |
| 2 |
Patron Romero, Ayrton (12)
|
ANVC |
1:08.56 |
1:07.95 |
-0.61 |
| 3 |
Stamer, Ryan L (12)
|
AZFAST |
1:08.68 |
1:09.65 |
0.97 |
| 4 |
Enriquez, Abraham Eduardo (12)
|
CENA |
1:11.94 |
1:10.43 |
-1.51 |
| 5 |
Soto Cervantes, Jose Antonio (12)
|
CENA |
1:14.45 |
1:10.60 |
-3.85 |
| 6 |
Shapiro, Daniel R (12)
|
AZRAYS |
1:15.53 |
1:10.83 |
-4.70 |
| 7 |
Hess, Robert H (12)
|
AZRAYS |
1:13.86 |
1:11.73 |
-2.13 |
| 8 |
Ruiz Coronado, Maximiliano (12)
|
TIB |
1:17.92 |
1:13.03 |
-4.89 |
| 9 |
Velazquez Coronado, Daniel (11)
|
DELS |
1:16.85 |
1:13.95 |
-2.90 |
| 10 |
Litz, Andrew P (12)
|
AZFAST |
1:13.66 |
1:14.32 |
0.66 |
| 11 |
Fosdick, Mason R (12)
|
AZRAYS |
1:18.47 |
1:16.63 |
-1.84 |
| 12 |
Avila, Alvaro A (11)
|
BDRAST |
1:17.13 |
1:16.68 |
-0.45 |
| 13 |
Cindrich, Reese A (11)
|
AZFORD |
1:18.20 |
1:17.43 |
-0.77 |
| 14 |
Nielsen Romero, Alexander (11)
|
ALBA |
1:19.08 |
1:18.15 |
-0.93 |
| 15 |
Cindrich, Levi C (11)
|
AZFORD |
1:16.52 |
1:21.84 |
5.32 |