| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Variano, Matthew B (8)
|
MRRA |
55.88 |
53.07 |
-2.81 |
| 2 |
Lam, Vernon J (8)
|
MRYBAR |
1:04.08 |
54.88 |
-9.20 |
| 3 |
Allen-Poole, Sean J (8)
|
MRAG |
1:16.05 |
58.07 |
-17.98 |
| 4 |
Schouten, Nathan J (8)
|
NJBB |
59.89 |
1:00.29 |
0.40 |
| 5 |
Dewhurst, Jesse W (7)
|
MRAG |
1:05.07 |
1:03.98 |
-1.09 |
| 6 |
Insdorf, Joshua C (8)
|
MRMWDA |
1:05.26 |
1:05.65 |
0.39 |
| 7 |
Hu, Jalen (8)
|
NJBB |
1:08.99 |
1:06.47 |
-2.52 |
| 8 |
Callanan, Carson J (8)
|
MRTRS |
1:05.02 |
1:07.13 |
2.11 |
| 9 |
Russell, Liam R (7)
|
MRNDAC |
|
1:11.02 |
- |
| 10 |
Smith, Sawyer M (8)
|
MRNDAC |
1:15.32 |
1:13.89 |
-1.43 |
| 11 |
Russell, Edward W (7)
|
MRNDAC |
|
1:16.14 |
- |
| 12 |
Link, Nathan A (8)
|
MRAG |
1:22.43 |
1:16.85 |
-5.58 |
|
Belfiore, Christopher J (8)
|
NJBB |
1:02.75 |
DQ |
- |
|
Hendrawan, Sebastian L (7)
|
NJBB |
1:17.22 |
DQ |
- |
|
O'Sullivan, Jack M (6)
|
MRNDAC |
|
DQ |
- |
|
Rose, Wylen J (8)
|
MRRA |
1:00.53 |
NS |
- |