| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhong, Tyler (8)
|
MRAQRC |
48.34 |
49.36 |
1.02 |
| 2 |
Wolff, David U (8)
|
MRYFD |
50.19 |
49.74 |
-0.45 |
| 3 |
Argeros, Alexander L (7)
|
MRJCCT |
54.97 |
50.43 |
-4.54 |
| 4 |
Pelletier, Luc A (8)
|
MRYFD |
|
50.56 |
- |
| 5 |
Fogarty, Atticus I (8)
|
MRYFD |
50.18 |
50.58 |
0.40 |
| 6 |
McCauley, Christopher A (8)
|
MRBAD |
55.35 |
55.74 |
0.39 |
| 7 |
Bensason, Ethan (7)
|
MRYFD |
|
56.73 |
- |
| 8 |
Uhlir, Luca (7)
|
MRYFD |
1:21.47 |
58.27 |
-23.20 |
| 9 |
Loucopoulos, Christian A (7)
|
MRYFD |
1:07.69 |
1:00.93 |
-6.76 |
| 10 |
Feinstein, Jack V (8)
|
MRYFD |
1:09.30 |
1:02.73 |
-6.57 |
| 11 |
O'Byrne, Liam L (7)
|
MRBAD |
1:08.17 |
1:04.29 |
-3.88 |
| 12 |
Rapaport Liang, Lucas (8)
|
MRYFD |
|
1:11.30 |
- |
| 13 |
Feinstein, Maxwell J (7)
|
MRYFD |
|
1:25.59 |
- |
| 14 |
Takeda, Tomoya (8)
|
MRAQRC |
1:32.38 |
1:25.92 |
-6.46 |
| 15 |
Kim, Sean T (7)
|
MRYFD |
|
1:27.45 |
- |
| 16 |
Sumersford, Kyle (8)
|
MRCFJV |
1:26.71 |
1:30.85 |
4.14 |
| 17 |
Iza, Sebastian (8)
|
MRCFJV |
1:18.92 |
1:33.72 |
14.80 |
| 18 |
Kelly, Felix P (8)
|
MRYFD |
|
1:35.79 |
- |
|
Soltowski, Maximilian (7)
|
MRCFJV |
|
DQ |
- |
|
Appelman, Leon A (7)
|
MRYFD |
|
NS |
- |