| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Del Rosario, Edmund Jacob C (12)
|
MRPATS |
36.23 |
38.24 |
2.01 |
| 2 |
Licardi, Dominic J (11)
|
MRPBAC |
41.65 |
40.25 |
-1.40 |
| 3 |
Locitzer, Thomas B (12)
|
MRPATS |
42.00 |
40.74 |
-1.26 |
| 4 |
Ruiz, Nathaniel R (12)
|
MRHVD |
43.22 |
41.10 |
-2.12 |
| 5 |
Van Wormer, Benjamin C (11)
|
MRPATS |
39.91 |
41.38 |
1.47 |
| 6 |
Sanchez, Luke (12)
|
MRVAC |
45.04 |
41.87 |
-3.17 |
| 7 |
Ninan, Zachary J (12)
|
MRPATS |
46.30 |
44.08 |
-2.22 |
| 8 |
Gallagher, Joshua A (12)
|
MRVAC |
46.12 |
44.92 |
-1.20 |
| 9 |
Kyaw, Thit-sar (12)
|
MRHVD |
53.11 |
45.49 |
-7.62 |
| 10 |
Howard, Andrew J (11)
|
MRHVD |
49.69 |
45.60 |
-4.09 |
| 11 |
Locitzer, Patrick S (12)
|
MRPATS |
49.01 |
45.83 |
-3.18 |
| 12 |
Cunningham, Alistair J (11)
|
MRPATS |
49.42 |
49.30 |
-0.12 |
| 13 |
Chenski, Alexander C (11)
|
MRPATS |
41.00 |
53.49 |
12.49 |
| 14 |
Grove, Aiden E (11)
|
MRPATS |
56.96 |
58.21 |
1.25 |
| 15 |
Almstead, Ducati D (11)
|
MRPATS |
NT |
1:05.61 |
65.61 |
| 16 |
Banerjee, Pronit R (11)
|
MRPATS |
NT |
DQ |
- |