| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Euyoque, Kevin D (15)
|
MRWEST |
53.88 |
53.08 |
-0.80 |
| 2 |
DeCasseres, Elijah L (15)
|
MRWEST |
56.37 |
53.40 |
-2.97 |
| 3 |
Gatto, Robert (16)
|
MRPAC |
52.49 |
53.85 |
1.36 |
| 4 |
Wang, Andy Y (15)
|
MRWEST |
57.31 |
54.50 |
-2.81 |
| 5 |
Pfaffle, Antony M (16)
|
MRUN |
56.82 |
55.09 |
-1.73 |
| 6 |
Levy, Aaron J (15)
|
MRWEST |
59.99 |
58.78 |
-1.21 |
| 7 |
Thomas, Jayden (14)
|
MRWEST |
56.23 |
59.22 |
2.99 |
| 8 |
O'Donnell, Michael W (15)
|
MRBGNW |
54.41 |
59.58 |
5.17 |
| 9 |
Han, Jason T (14)
|
MRPAC |
1:01.83 |
1:00.50 |
-1.33 |
| 10 |
Malik, Rohan (15)
|
MRBGNW |
1:06.71 |
1:04.32 |
-2.39 |
| 11 |
Malik, Vivek (13)
|
MRBGNW |
1:08.18 |
1:06.07 |
-2.11 |
| 12 |
Teleshevsky, Daniel J (15)
|
MRWEST |
|
1:06.84 |
- |
| 13 |
Kankanyan, Nicholas H (16)
|
MRPAC |
1:07.21 |
1:09.70 |
2.49 |
| 14 |
Tuttle, Rana A (13)
|
MRUN |
1:07.76 |
1:11.25 |
3.49 |
| 15 |
Martinko, John P (13)
|
MRPAC |
1:31.76 |
1:25.53 |
-6.23 |