| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fogarty, Atticus I (8)
|
MRYFD |
41.44 |
40.47 |
-0.97 |
| 2 |
Cho, Joshua S (8)
|
MRYFD |
43.99 |
44.27 |
0.28 |
| 3 |
Argeros, Alexander L (7)
|
MRJCCT |
48.21 |
46.69 |
-1.52 |
| 4 |
Zhong, Tyler (8)
|
MRAQRC |
48.79 |
50.75 |
1.96 |
| 5 |
Iza, Sebastian (8)
|
MRCFJV |
55.77 |
50.96 |
-4.81 |
| 6 |
O'Byrne, Liam L (7)
|
MRBAD |
52.57 |
53.95 |
1.38 |
| 7 |
Feinstein, Jack V (8)
|
MRYFD |
1:00.56 |
55.23 |
-5.33 |
| 8 |
Rzezwicki, Olivier (8)
|
MRCFJV |
|
1:02.33 |
- |
| 9 |
McCauley, Christopher A (8)
|
MRBAD |
1:00.57 |
1:03.31 |
2.74 |
| 10 |
Sumersford, Kyle (8)
|
MRCFJV |
1:04.10 |
1:05.28 |
1.18 |
| 11 |
Pelletier, Luc A (8)
|
MRYFD |
|
1:05.49 |
- |
| 12 |
Wolff, David U (8)
|
MRYFD |
|
1:06.81 |
- |
| 13 |
Uhlir, Luca (7)
|
MRYFD |
|
1:08.71 |
- |
| 14 |
Bensason, Ethan (7)
|
MRYFD |
|
1:08.91 |
- |
| 15 |
Rapaport Liang, Lucas (8)
|
MRYFD |
1:16.99 |
1:09.56 |
-7.43 |
| 16 |
Appelman, Leon A (7)
|
MRYFD |
|
1:18.34 |
- |
| 17 |
Feinstein, Maxwell J (7)
|
MRYFD |
1:29.34 |
1:20.02 |
-9.32 |
|
Miller, Matteo H (7)
|
MRYFD |
|
DQ |
- |
|
Loucopoulos, Christian A (7)
|
MRYFD |
|
DQ |
- |
|
Klein, Elias P (7)
|
MRYFD |
|
DQ |
- |