| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Slavinski, William J (10)
|
NIFKVL |
43.91 |
44.15 |
0.24 |
| 2 |
Farrington, Tyrnan T (9)
|
NIFKVL |
|
45.43 |
- |
| 3 |
Hediger, Kobe K (9)
|
NIAAAC |
47.87 |
47.83 |
-0.04 |
| 4 |
Haggerty, Gavin M (9)
|
NIGVST |
47.41 |
49.77 |
2.36 |
| 5 |
Jones, William P (10)
|
NIPVSC |
50.45 |
49.84 |
-0.61 |
| 6 |
Fleming, Cole S (10)
|
NIGVST |
54.14 |
51.79 |
-2.35 |
| 7 |
Hillman, Nicholas R (10)
|
NIFKVL |
51.92 |
54.68 |
2.76 |
| 8 |
Isaacson, Brennan L (10)
|
NIFKVL |
54.20 |
55.28 |
1.08 |
| 9 |
Romance, Adam L (9)
|
NIAAAC |
53.42 |
57.79 |
4.37 |
| 10 |
Heaney, Brody j (10)
|
NIGVST |
58.72 |
58.23 |
-0.49 |
| 11 |
Abram-Hopkins, Wesley A (9)
|
NIAAAC |
1:05.03 |
1:00.15 |
-4.88 |
| 12 |
Batt-Smith, Xander M (10)
|
NIGVST |
|
1:05.07 |
- |
| 13 |
O'Connor, Keenen (9)
|
NIGVST |
1:09.99 |
1:05.50 |
-4.49 |
| 14 |
Phillips, Hayden R (9)
|
NIFKVL |
1:06.79 |
1:09.27 |
2.48 |
| 15 |
Cooke, Thomas J (10)
|
NIGVST |
1:19.93 |
1:10.29 |
-9.64 |
|
Spittler, Matthew C (9)
|
NIFKVL |
54.25 |
DQ |
- |
|
Egressy, Liam P (10)
|
NIFKVL |
1:03.67 |
NS |
- |