| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Otto, Matthew J (24)
|
MRNYAC |
50.66 |
50.84 |
0.18 |
| 2 |
Chang, Matthew A (15)
|
MRQNS |
54.35 |
55.01 |
0.66 |
| 3 |
Gonzalez, James (15)
|
MRAPEX |
54.75 |
55.05 |
0.30 |
| 4 |
Reed, Jack T (16)
|
MRTRI |
56.37 |
55.12 |
-1.25 |
| 5 |
Hussein, Yassin (17)
|
MRTRI |
57.35 |
56.84 |
-0.51 |
| 6 |
Debrah, Michael (16)
|
MRMAKO |
58.85 |
58.11 |
-0.74 |
| 7 |
Dauti, Klevis (17)
|
MRTRI |
1:00.92 |
58.81 |
-2.11 |
| 8 |
Fan, Zachary (17)
|
MRMAKO |
1:07.00 |
1:03.35 |
-3.65 |
| 9 |
King, Anthony S (16)
|
MRHES |
1:04.32 |
1:03.52 |
-0.80 |
| 10 |
Rizk, Alex (17)
|
MRYMID |
1:08.12 |
1:09.78 |
1.66 |
| 11 |
Carter-McGinty, Kazuichi (15)
|
MRBKR |
1:20.00 |
1:11.06 |
-8.94 |
| 12 |
Takahashi, Sean Y (15)
|
MRBKR |
1:15.00 |
1:11.85 |
-3.15 |
| 13 |
Yost, Robert J (17)
|
MRTRI |
1:13.18 |
1:11.96 |
-1.22 |
| 14 |
Jones, Josiah W (15)
|
MRHES |
1:10.37 |
1:12.03 |
1.66 |
| 15 |
Shearman, Alexander L (16)
|
MRQNS |
|
1:13.47 |
- |
|
Dissanayake, Ryan B (15)
|
MRQNS |
58.91 |
NS |
- |
|
Ding, Charlie (15)
|
MRMAKO |
58.11 |
NS |
- |