| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Johnson, Thomas G (12)
|
MAWA |
30.04 |
30.34 |
0.30 |
| 1 |
Jiang, Ryan Z (11)
|
MAMAR |
34.77 |
34.60 |
-0.17 |
| 2 |
Antonelli, Dominick L (12)
|
MAJW |
33.16 |
32.45 |
-0.71 |
| 2 |
Yurkewicz, Alex N (11)
|
MAJW |
35.18 |
35.00 |
-0.18 |
| 3 |
Cummins, Jackson P (11)
|
MAGPAC |
33.42 |
32.57 |
-0.85 |
| 3 |
Trampe, Ronald J (11)
|
MAJW |
40.16 |
38.45 |
-1.71 |
| 4 |
McElrath, Walker M (12)
|
MACBFY |
33.65 |
33.31 |
-0.34 |
| 4 |
Gilmore, Sean M (11)
|
MAUN-9 |
39.32 |
39.42 |
0.10 |
| 5 |
Giuliano, Kyle A (11)
|
NJRA |
33.66 |
33.71 |
0.05 |
| 5 |
Burmaster, Andrew S (12)
|
MAJW |
38.43 |
40.65 |
2.22 |
| 6 |
Antonelli, Antonio V (12)
|
MAJW |
34.31 |
34.21 |
-0.10 |
| 6 |
Cohn, Matthew E (11)
|
MAACAC |
41.15 |
41.68 |
0.53 |
| 7 |
Elamthuruthy, Alex (12)
|
MAJW |
46.45 |
44.17 |
-2.28 |
| 7 |
Emmert, David J (11)
|
MAJW |
33.26 |
45.09 |
11.83 |
| 8 |
Owes, Arion (12)
|
MAT85 |
51.53 |
46.50 |
-5.03 |
| 9 |
Dobleman, Landon W (11)
|
MAJW |
|
55.90 |
- |
|
Hyun, Noah A (11)
|
MAJW |
47.66 |
DQ |
- |