| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hogue, Cabe L (12)
|
NIHAWK |
46.04 |
44.73 |
-1.31 |
| 2 |
Yu, Michael (11)
|
NIKRKN |
47.83 |
45.34 |
-2.49 |
| 3 |
Albertalli, Cyris F (12)
|
NIKRKN |
48.04 |
46.05 |
-1.99 |
| 4 |
Fioretto, Lucian A (12)
|
NIKVAC |
48.78 |
47.25 |
-1.53 |
| 5 |
Webster, Travis J (11)
|
NIWAAC |
|
47.79 |
- |
| 6 |
Hillis, Thomas M (11)
|
NICAGO |
|
49.39 |
- |
| 7 |
Williams, Oscar B (12)
|
NIWAAC |
58.20 |
51.00 |
-7.20 |
| 8 |
Wright, Liam I (12)
|
NIWAAC |
53.10 |
51.29 |
-1.81 |
| 9 |
Palmesano, Samuel P (12)
|
NIHAWK |
|
54.93 |
- |
| 10 |
Crandall, Ethan J (11)
|
NIGVST |
1:12.30 |
58.73 |
-13.57 |
| 11 |
Fritz, Luke K (11)
|
NIISWM |
|
59.01 |
- |
| 12 |
Denlinger, Ethan r (12)
|
NIWAAC |
|
59.48 |
- |
| 13 |
Kaszynski, Marek A (11)
|
NIKVAC |
|
1:01.71 |
- |
|
deForest, Christopher E (12)
|
NIWAAC |
|
DQ |
- |