| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sanchez Fortiz, David (15)
|
TIB |
1:00.02 |
1:03.63 |
3.61 |
| 2 |
Kim, Harrison Y (14)
|
CAPATH |
1:09.52 |
1:06.93 |
-2.59 |
| 3 |
Pierzina, Zack A (15)
|
AZAZAC |
1:17.34 |
1:08.20 |
-9.14 |
| 4 |
Kim, Brandon M (15)
|
CAPATH |
1:13.43 |
1:08.34 |
-5.09 |
| 5 |
Velazquez Coronado, Alfredo (13)
|
DELS |
1:10.48 |
1:09.44 |
-1.04 |
| 6 |
Jimenez Cortez, Christian Mi (15)
|
CENA |
1:08.74 |
1:10.34 |
1.60 |
| 7 |
Litz, Owen C (14)
|
AZFAST |
1:12.04 |
1:11.65 |
-0.39 |
| 8 |
Cindrich, Eli R (15)
|
AZFORD |
1:09.71 |
1:11.98 |
2.27 |
| 9 |
Rainbird, Nicolas W (14)
|
CAPATH |
1:11.68 |
1:12.28 |
0.60 |
| 10 |
Valenzuela Galaz, Omar (16)
|
TIB |
1:18.77 |
1:15.08 |
-3.69 |
| 11 |
Henzie, Connor R (14)
|
CAPATH |
1:17.58 |
1:15.54 |
-2.04 |
| 12 |
Nikolaev, Timothy V (14)
|
AZFORD |
1:17.61 |
1:21.83 |
4.22 |
| 13 |
Ingle, Christopher A (16)
|
AZFAST |
1:20.21 |
1:21.92 |
1.71 |