| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gjertsen, Owen G (8)
|
MRWEST |
48.30 |
43.97 |
-4.33 |
| 2 |
Zarvovskiy, Anthony A (8)
|
MRSHY |
47.80 |
47.15 |
-0.65 |
| 3 |
Truong, Koa (8)
|
MRQNS |
58.15 |
50.30 |
-7.85 |
| 4 |
Kaplan, Evan K (8)
|
MRWEST |
51.46 |
51.10 |
-0.36 |
| 5 |
Barrett, Noland A (7)
|
MRWEST |
52.38 |
53.99 |
1.61 |
| 6 |
Bowen, Julian P (8)
|
MRLGAC |
1:04.59 |
55.69 |
-8.90 |
| 7 |
Borukhov, Jacob (8)
|
MRQNS |
|
58.03 |
- |
| 8 |
Ratling, Phuntsok W (7)
|
MRLGAC |
1:07.84 |
58.53 |
-9.31 |
| 9 |
Bouzarouata, Adam N (7)
|
MRLGAC |
58.93 |
58.54 |
-0.39 |
| 10 |
Gelvez-Cisneros, Alexander (8)
|
MRLGAC |
59.07 |
1:03.32 |
4.25 |
| 11 |
O'Sullivan, Tiarnan M (7)
|
MRLGAC |
1:09.16 |
1:04.86 |
-4.30 |
| 12 |
Lyubman, Eric B (7)
|
MRPAC |
1:35.99 |
1:07.09 |
-28.90 |
| 13 |
Ortiz, Anthony (7)
|
MRRED |
1:15.01 |
1:17.20 |
2.19 |
|
McCarthy, William J (8)
|
MRWEST |
|
DQ |
- |
|
Akdas, Jason (6)
|
MRLGAC |
1:08.44 |
DQ |
- |
|
Yeremenko, Alexander (8)
|
MRSHY |
49.90 |
DQ |
- |
|
Pan, John (7)
|
MRQNS |
|
DQ |
- |
|
Bice, Cormick R (7)
|
MRQNS |
|
DQ |
- |
|
Karpenko, Stefan (8)
|
MRPAC |
1:08.77 |
DQ |
- |
|
Neal, Delano K (7)
|
MRLGAC |
|
DQ |
- |
|
Cassella, Daniel J (8)
|
MRPAC |
1:25.59 |
NS |
- |