| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fagan, William P (9)
|
MRBGNW |
40.55 |
40.00 |
-0.55 |
| 2 |
Dillane, Jack C (9)
|
MRBGNW |
44.38 |
40.20 |
-4.18 |
| 3 |
Halley, Michael G (10)
|
MRBGNW |
46.09 |
40.50 |
-5.59 |
| 4 |
Leung, Andrew J (9)
|
MRNYSA |
41.52 |
40.63 |
-0.89 |
| 5 |
Lynch, Jamie M (10)
|
MRBGNW |
41.27 |
42.32 |
1.05 |
| 6 |
Nadecki, Erik S (9)
|
MRBGNW |
43.50 |
43.87 |
0.37 |
| 7 |
McHugh, Connor J (9)
|
MRBGNW |
43.66 |
43.91 |
0.25 |
| 8 |
O'Donnell, Michael W (10)
|
MRBGNW |
44.05 |
44.08 |
0.03 |
| 9 |
Kramer, David M (10)
|
MRNYSA |
42.61 |
44.12 |
1.51 |
| 10 |
Moran, Jack M (10)
|
MRBGNW |
44.00 |
44.14 |
0.14 |
| 11 |
Holmes, Jayden T (9)
|
MRBGNW |
45.63 |
44.53 |
-1.10 |
| 12 |
Gourlay, Dylan F (10)
|
MRBGNW |
50.00 |
44.94 |
-5.06 |
| 13 |
Nailor, Rolian S (10)
|
MRNYSA |
43.75 |
44.98 |
1.23 |
| 14 |
Czarkowski, Jack A (9)
|
MRBGNW |
50.21 |
44.99 |
-5.22 |
| 15 |
Llorente Valin, Nicolas (10)
|
MRYMID |
52.50 |
45.65 |
-6.85 |
| 16 |
Malik, Rohan (10)
|
MRBGNW |
44.18 |
45.71 |
1.53 |
| 17 |
Albanese, Luke W (10)
|
MRNYSA |
50.86 |
47.37 |
-3.49 |
| 18 |
Rothman, Zachary W (9)
|
MRNYSA |
47.25 |
48.76 |
1.51 |
| 19 |
Puskas, Patrik B (9)
|
MRNYSA |
1:03.67 |
54.33 |
-9.34 |
| 20 |
Hussain, Zayaan S (9)
|
MRBGNW |
1:13.01 |
1:12.97 |
-0.04 |
|
Tovar, Joshua E (9)
|
MRBGNW |
1:05.00 |
DQ |
- |
|
Gulotta, Lawrence J (9)
|
MRBGNW |
47.46 |
NS |
- |