| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lowe, Alexander N (12)
|
MRCOND |
35.17 |
33.92 |
-1.25 |
| 2 |
Molloy, Mark P (11)
|
MRCOND |
39.61 |
36.65 |
-2.96 |
| 3 |
Soto, Alexander J (12)
|
MRCOND |
45.93 |
41.54 |
-4.39 |
| 4 |
Wong, Brendan K (12)
|
MRCOND |
47.24 |
43.21 |
-4.03 |
| 5 |
Waters, Conor M (12)
|
MRCOND |
44.73 |
43.59 |
-1.14 |
| 6 |
Espinal, Randy A (11)
|
MRYBAR |
56.90 |
46.09 |
-10.81 |
| 7 |
Cheung, Alex C (11)
|
MRCOND |
50.16 |
46.20 |
-3.96 |
| 8 |
Javed, Adam C (11)
|
MRCOND |
48.92 |
49.91 |
0.99 |
| 9 |
Rubio, Matthew F (11)
|
MRCOND |
50.42 |
51.60 |
1.18 |
|
Colbert, William Donovan B (11)
|
MRCOND |
|
DQ |
- |
|
Siyanko, Avi (11)
|
MRCOND |
44.85 |
NS |
- |
|
Weng, Zoe (12)
|
MRCOND |
48.62 |
NS |
- |
|
Falevich, Jake (12)
|
MRYBAR |
41.85 |
NS |
- |