| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brown, Kieran J (17)
|
MRBGNW |
55.41 |
54.25 |
-1.16 |
| 2 |
Cunniffe, Finn (17)
|
CTZEUS |
54.98 |
54.62 |
-0.36 |
| 3 |
Moran, Jack M (16)
|
MRBGNW |
57.34 |
55.35 |
-1.99 |
| 4 |
Roychoudhury, Devayan (17)
|
MRWEST |
55.99 |
55.98 |
-0.01 |
| 5 |
Padda, Rajkaran S (17)
|
CTZEUS |
55.55 |
56.36 |
0.81 |
| 6 |
O'Donnell, Michael W (16)
|
MRBGNW |
57.76 |
57.49 |
-0.27 |
| 7 |
Kamal, Yousef M (17)
|
MRBGNW |
55.87 |
57.64 |
1.77 |
| 8 |
Schlomann, Trey R (16)
|
MRBGNW |
57.92 |
57.76 |
-0.16 |
| 9 |
Equiano, Jason a (15)
|
MRYMID |
1:00.90 |
58.57 |
-2.33 |
| 10 |
Zullo, Lorenzo R (17)
|
CTZEUS |
59.73 |
59.35 |
-0.38 |
| 11 |
Kwait, Nathaniel T (17)
|
CTZEUS |
56.81 |
1:00.10 |
3.29 |
| 12 |
Donovan, Jake D (16)
|
CTZEUS |
56.45 |
1:01.67 |
5.22 |
| 13 |
Vollaro, Thomas A (16)
|
MRYMID |
1:03.22 |
1:02.41 |
-0.81 |
| 14 |
Quiroga, Favian X (16)
|
CTZEUS |
1:02.06 |
1:03.18 |
1.12 |
| 15 |
Nack, Adam N (17)
|
MRBGNW |
56.99 |
1:04.56 |
7.57 |
| 16 |
Byrd, Nicholas G (16)
|
MRYMID |
1:04.51 |
1:04.62 |
0.11 |
| 17 |
Geraghty, Evan C (15)
|
MRBGNW |
1:22.20 |
1:12.96 |
-9.24 |
|
Burdzicki, Patrick D (17)
|
CTZEUS |
58.32 |
DQ |
- |
|
Paez, Darian F (16)
|
MRBGNW |
1:03.95 |
NS |
- |