| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ferker, Joshua E (8)
|
MALMOR |
41.51 |
42.73 |
1.22 |
| 2 |
Vradinskiy, Sebastian M (7)
|
MAUN |
43.24 |
43.73 |
0.49 |
| 3 |
Barrett, Gabriel M (8)
|
MAJW |
47.94 |
48.49 |
0.55 |
| 4 |
Behm, John E (8)
|
MAJW |
45.54 |
48.50 |
2.96 |
| 5 |
Fromberg, Harrison C (8)
|
NJBWTD |
55.44 |
50.65 |
-4.79 |
| 6 |
Wright, Bennett E (7)
|
MAJW |
|
52.74 |
- |
| 7 |
Toncich-Mandel, Laurence (8)
|
MAJW |
49.45 |
53.12 |
3.67 |
| 8 |
Lau, Nathan W (7)
|
MAJW |
|
54.84 |
- |
| 9 |
DeSumma, Trevor T (8)
|
MAJW |
53.36 |
56.55 |
3.19 |
| 10 |
Jellig, Patrick J (8)
|
MAJW |
1:00.41 |
58.49 |
-1.92 |
| 11 |
Morehead, Benjamin S (8)
|
NJBWTD |
59.44 |
58.60 |
-0.84 |
| 12 |
Lee, Ross N (8)
|
MAFSS |
1:00.81 |
1:01.66 |
0.85 |
|
Schutta, Benjamin H (8)
|
MAFSS |
51.79 |
NS |
- |