| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cafer, Alexander B (10)
|
PVMACH |
1:18.66 |
1:20.32 |
1.66 |
| 2 |
Frantz, Cayden A (9)
|
PVMACH |
1:22.82 |
1:22.16 |
-0.66 |
| 3 |
Landwehr, Todd W (10)
|
PVMACH |
1:22.69 |
1:23.26 |
0.57 |
| 4 |
Dieveney, Charles T (10)
|
MDLBA |
1:29.27 |
1:24.31 |
-4.96 |
| 5 |
Bravery, Jackson H (9)
|
PVMACH |
1:23.70 |
1:25.15 |
1.45 |
| 6 |
Rayson, Devin K (10)
|
PVMACH |
1:25.35 |
1:26.71 |
1.36 |
| 7 |
O'Toole, Aidan M (9)
|
PVMACH |
1:32.26 |
1:26.88 |
-5.38 |
| 8 |
Thornton, Alexander K (10)
|
PVMACH |
1:29.20 |
1:26.89 |
-2.31 |
| 9 |
Wu, Gabriel B (9)
|
PVMACH |
|
1:31.34 |
- |
| 10 |
Schrock, Eamon C (10)
|
PVSTJS |
|
1:31.88 |
- |
| 11 |
Harriot, Erik A (10)
|
PVMACH |
1:28.31 |
1:33.19 |
4.88 |
| 12 |
Gao, Jack (10)
|
PVMACH |
1:31.90 |
1:33.26 |
1.36 |
| 13 |
Merritt, Carter R (9)
|
MDLBA |
|
1:36.22 |
- |
| 14 |
Mitchell, Finley R (9)
|
MDLBA |
1:35.07 |
1:37.03 |
1.96 |
| 15 |
Bello, Gustavo I (9)
|
MDLBA |
1:36.45 |
1:38.51 |
2.06 |
| 16 |
Hopkins, Samuel E (10)
|
PVSTJS |
|
1:38.77 |
- |
| 17 |
Lee-Truesdell, Tobias J (10)
|
PVMACH |
|
1:39.29 |
- |
| 18 |
Farls, Jackson D (9)
|
MDLBA |
1:42.38 |
1:42.04 |
-0.34 |
| 19 |
Acchione, Joseph T (8)
|
MDLBA |
|
1:44.70 |
- |
| 20 |
Zhao, Lucas X (9)
|
PVMACH |
|
1:55.72 |
- |
| 21 |
Taylor, Matthew T (10)
|
PVMACH |
|
2:00.70 |
- |
|
Tan, Edison E (7)
|
PVMACH |
|
DQ |
- |
|
Blaize, Burke R (9)
|
MDLBA |
2:07.23 |
DQ |
- |
|
Braccia, Samuel K (10)
|
PVMACH |
1:25.76 |
NS |
- |
|
Deremeik, Tucker J (10)
|
MDLBA |
1:32.07 |
NS |
- |