| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Shah, Sun-Jin (11)
|
MRNYCC |
39.45 |
38.06 |
-1.39 |
| 2 |
Lian, Derek (11)
|
MRNYCP |
40.89 |
39.49 |
-1.40 |
| 3 |
Koufalis, Konstantinos (12)
|
MRBAD |
42.28 |
42.09 |
-0.19 |
| 4 |
Daniels, Owen D (11)
|
MRNDAC |
41.93 |
43.28 |
1.35 |
| 5 |
Reyes, Oliver K (12)
|
MRBKR |
NT |
43.40 |
43.40 |
| 6 |
Button, Samuel M (12)
|
MRNDAC |
44.87 |
44.10 |
-0.77 |
| 7 |
Truong, Donald B (12)
|
MRHS |
43.87 |
44.93 |
1.06 |
| 8 |
Langerfeld, Robert (11)
|
MRBAD |
48.62 |
46.04 |
-2.58 |
| 9 |
Van Wormer, Benjamin C (11)
|
MRPATS |
50.80 |
48.44 |
-2.36 |
| 10 |
Sahl, Wyatt E (12)
|
MRNYCC |
48.05 |
49.98 |
1.93 |
| 11 |
Gonzalez, Alejandro (11)
|
MRAPEX |
47.42 |
50.69 |
3.27 |
| 12 |
Vincent, Michael R (12)
|
MRBAD |
49.33 |
51.15 |
1.82 |
| 13 |
Ruiz, Nathaniel R (11)
|
MRHVD |
48.97 |
51.24 |
2.27 |
| 14 |
Racz, Gregory L (12)
|
MRRA |
51.69 |
52.36 |
0.67 |
| 15 |
Cooper, Jackson R (11)
|
MRBAD |
58.25 |
52.93 |
-5.32 |
| 16 |
Burgarelli, Sebastian (12)
|
MRNBS |
52.26 |
53.49 |
1.23 |
| 17 |
De Borba Silva, Lucas C (12)
|
MRRA |
52.85 |
54.23 |
1.38 |
| 18 |
Robins, Benjamin I (11)
|
MRBAD |
49.23 |
54.68 |
5.45 |
| 19 |
Loveless, Ryan (11)
|
MRBAD |
50.72 |
56.76 |
6.04 |
| 20 |
Payne, William M (11)
|
MRRA |
59.74 |
59.22 |
-0.52 |
| 21 |
Valverde, Frank A (11)
|
MRAPEX |
1:12.50 |
1:17.65 |
5.15 |
| 22 |
Araujo, Thiago L (12)
|
MRPATS |
55.82 |
DQ |
- |
| 23 |
Pagano, Jax A (11)
|
MRNBS |
51.98 |
NS |
- |