| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vaira, McKade J (9)
|
MTBY |
1:17.96 |
1:14.41 |
-3.55 |
| 2 |
Smith Sanchez, Yeven D (10)
|
SRBY |
1:20.63 |
1:14.94 |
-5.69 |
| 3 |
Frye, Richard N (10)
|
MTBY |
1:22.84 |
1:20.17 |
-2.67 |
| 4 |
Garcia, Aegean A (10)
|
SRBY |
1:20.37 |
1:21.24 |
0.87 |
| 5 |
Jolliff, Morgan M (10)
|
MTBY |
1:24.63 |
1:21.66 |
-2.97 |
| 6 |
Munoz, Adriel S (10)
|
SRBY |
1:23.68 |
1:21.87 |
-1.81 |
| 7 |
Garduno, Eduardo A (10)
|
PNSVFY |
1:30.24 |
1:23.14 |
-7.10 |
| 8 |
Wood, Matthew (10)
|
MCY |
1:28.34 |
1:24.19 |
-4.15 |
| 9 |
Klein, Gavin J (10)
|
MTBY |
1:37.92 |
1:28.15 |
-9.77 |
| 10 |
Rowland, Zac (10)
|
PNLYAC |
1:36.19 |
1:28.76 |
-7.43 |
| 11 |
Burley-Oden, Xander M (10)
|
PNBYST |
1:29.13 |
1:30.25 |
1.12 |
| 12 |
Hoisington, Ian M (9)
|
SRBY |
1:33.21 |
1:32.22 |
-0.99 |
| 13 |
Harmon, Elias A (10)
|
PNBYST |
1:29.82 |
1:33.19 |
3.37 |
| 14 |
Norman, Lars A (9)
|
PNWSY |
1:37.65 |
1:34.03 |
-3.62 |
| 15 |
Chambers, Hayden T (9)
|
PNBYST |
1:45.78 |
1:36.30 |
-9.48 |
| 16 |
Patti, Reece M (10)
|
PNBYST |
1:34.93 |
1:37.08 |
2.15 |
|
Halsey, Michael A (10)
|
PSOYST |
1:40.56 |
DQ |
- |
|
Sturm, Tanner J (9)
|
ORSYD |
1:35.44 |
NS |
- |