| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fogarty, Atticus I (7)
|
MRYFD |
46.54 |
42.25 |
-4.29 |
| 2 |
Lo Verde, Leonardo (8)
|
MRHES |
44.00 |
43.57 |
-0.43 |
| 3 |
Chen, Gavin A (8)
|
MRJCCT |
|
44.86 |
- |
| 4 |
Gibson, Timothy R (8)
|
MRHES |
46.53 |
45.13 |
-1.40 |
| 5 |
London, Jack D (8)
|
MRBKR |
46.76 |
48.32 |
1.56 |
| 6 |
Hardart, Owen w (8)
|
MRBAD |
52.70 |
49.03 |
-3.67 |
| 7 |
Honstetter, Alexander A (6)
|
MRJCCT |
|
49.67 |
- |
| 8 |
Honstetter, Nicholas A (8)
|
MRJCCT |
|
50.69 |
- |
| 9 |
Weisburg, Samuel Q (7)
|
MRAPEX |
1:00.37 |
55.37 |
-5.00 |
| 10 |
Isakov, Timur I (7)
|
MRBKR |
55.77 |
57.04 |
1.27 |
| 11 |
Wolff, David U (7)
|
MRYFD |
53.75 |
57.43 |
3.68 |
| 12 |
Rapaport Liang, Lucas (7)
|
MRYFD |
1:00.00 |
1:04.91 |
4.91 |
|
Seiz, Matthew (8)
|
MRHES |
1:10.83 |
NS |
- |
|
Soudee, Oscar G (2)
|
MRJCCT |
|
NS |
- |