| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Daniels, Owen D (8)
|
MRNDAC |
45.94 |
40.14 |
-5.80 |
| 2 |
Del Rosario, Edmund Jacob C (8)
|
MRPATS |
55.26 |
40.51 |
-14.75 |
| 3 |
Pearsall, Milo J (8)
|
MRPATS |
40.21 |
42.67 |
2.46 |
| 4 |
Wilson, Tate E (8)
|
ADHAWK |
51.83 |
49.45 |
-2.38 |
| 5 |
Locitzer, Thomas B (8)
|
MRPATS |
50.08 |
50.33 |
0.25 |
| 6 |
Son, Jiho L (8)
|
ADHAWK |
1:01.77 |
53.63 |
-8.14 |
| 7 |
Arthur-Mensah, Kweku E (8)
|
MRDA |
1:05.99 |
53.82 |
-12.17 |
| 8 |
Lischinsky, Stephen J (8)
|
ADHAWK |
57.35 |
56.76 |
-0.59 |
| 9 |
Locitzer, Patrick S (8)
|
MRPATS |
1:00.57 |
1:03.71 |
3.14 |
| 10 |
Perillo, Austin J (7)
|
MRDA |
1:17.94 |
1:04.02 |
-13.92 |
| 11 |
Sanchez, Luke (8)
|
MRVAC |
1:00.65 |
1:05.38 |
4.73 |
|
Carlozzi, Nico (8)
|
MRUN |
|
DQ |
- |