| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leite, Marcelo (13)
|
CTZEUS |
52.48 |
53.36 |
0.88 |
| 2 |
Velazquez, Henry A (14)
|
CTZEUS |
51.84 |
53.50 |
1.66 |
| 3 |
Chajon, Jorge M (14)
|
CTZEUS |
54.77 |
54.98 |
0.21 |
| 4 |
Kincheloe, Michael G (16)
|
MRGAEL |
55.93 |
54.99 |
-0.94 |
| 5 |
Johanson, Colin W (17)
|
MRGAEL |
52.99 |
55.14 |
2.15 |
| 6 |
Haffner, Riley (15)
|
MRRYE |
54.80 |
55.74 |
0.94 |
| 7 |
Parizot, Paul-Alexander (16)
|
CTZEUS |
|
56.53 |
- |
| 8 |
Jung, Jesse (13)
|
MRYMID |
58.54 |
58.46 |
-0.08 |
| 9 |
Dauser, Christopher M (14)
|
CTZEUS |
55.73 |
58.58 |
2.85 |
| 10 |
Abraham, Anthony T (14)
|
MRGAEL |
1:00.17 |
59.15 |
-1.02 |
| 11 |
Syphers, David C (16)
|
MRGAEL |
|
59.38 |
- |
| 12 |
Haffner, Jackson (15)
|
MRRYE |
1:01.12 |
59.65 |
-1.47 |
| 13 |
Uriarte, Alvin (16)
|
MRYMID |
1:00.88 |
59.67 |
-1.21 |
| 14 |
Hogan, James F (15)
|
CTZEUS |
56.87 |
59.72 |
2.85 |
| 15 |
Pertak, Ryan A (16)
|
MRYMID |
58.07 |
1:00.01 |
1.94 |
| 16 |
Eforo, Alex (15)
|
MRGAEL |
1:01.47 |
1:01.58 |
0.11 |
| 17 |
Pysk, Adam (16)
|
CTZEUS |
59.94 |
1:01.62 |
1.68 |
| 18 |
Celaj, Iliriana (14)
|
MRYMID |
1:00.94 |
1:01.64 |
0.70 |
| 19 |
Pysk, Alex (13)
|
CTZEUS |
58.65 |
1:01.66 |
3.01 |
| 20 |
Lovas, Jackson Z (13)
|
CTZEUS |
1:01.08 |
1:02.20 |
1.12 |
| 21 |
Fairweather, Sheldon (17)
|
MRYMID |
1:04.50 |
1:02.26 |
-2.24 |
| 22 |
Eforo, John T (17)
|
MRGAEL |
55.30 |
1:02.51 |
7.21 |
| 23 |
Vicioso, Emilio V (15)
|
MRYFD |
1:01.05 |
1:02.74 |
1.69 |
| 24 |
Fuchs, Ethan (16)
|
MRGAEL |
1:01.92 |
1:03.57 |
1.65 |
| 25 |
Razanau, Mark A (13)
|
CTGRYM |
1:04.69 |
1:03.85 |
-0.84 |
| 26 |
Fedor, AJ (15)
|
CTZEUS |
1:03.41 |
1:06.00 |
2.59 |
| 27 |
Casa, Tristan A (16)
|
CTZEUS |
1:02.03 |
1:06.18 |
4.15 |
| 28 |
Peng, Ryan (13)
|
MRYMID |
1:27.61 |
1:09.25 |
-18.36 |
| 29 |
Gandhi, Pratham S (14)
|
MRYFD |
1:12.89 |
1:09.62 |
-3.27 |
|
Arbelaez, Andres (16)
|
CTZEUS |
55.56 |
NS |
- |