| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jennings, Travis (10)
|
NJSCY |
46.55 |
43.35 |
-3.20 |
| 2 |
Margolius, Benjamin T (10)
|
MRRA |
44.61 |
44.75 |
0.14 |
| 3 |
Sarno, Gabriel J (9)
|
MRYBAR |
48.12 |
45.83 |
-2.29 |
| 4 |
Marincenko, Aleksey V (10)
|
MRSSL |
57.55 |
47.17 |
-10.38 |
| 5 |
Daniels, Keegan J (9)
|
MRNDAC |
50.74 |
47.26 |
-3.48 |
| 6 |
Howes, Landon (10)
|
NJSCY |
47.58 |
49.67 |
2.09 |
| 7 |
Watkins, Josh (10)
|
NJSCY |
55.46 |
54.00 |
-1.46 |
| 8 |
Seise, Daniel (10)
|
NJSCY |
1:00.38 |
59.73 |
-0.65 |
| 9 |
Robbins, Noah P (9)
|
MRRA |
1:15.00 |
59.75 |
-15.25 |
| 10 |
Shaw, Kieran W (9)
|
MRYBAR |
1:10.89 |
1:00.58 |
-10.31 |
| 11 |
KotulskI, Sebastian (10)
|
NJSCY |
59.90 |
1:00.63 |
0.73 |
| 12 |
Myszka, Benjamin (10)
|
NJSCY |
1:12.62 |
1:02.89 |
-9.73 |
|
Alden, Alex W (9)
|
MRNDAC |
1:15.08 |
DQ |
- |