| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ormiston, Brendan M (11)
|
LELSSC |
43.39 |
42.06 |
-1.33 |
| 2 |
Narendrakumar, Adharsh (11)
|
LECLES |
40.88 |
42.28 |
1.40 |
| 3 |
Tabora, Maceo S (11)
|
LELRST |
44.29 |
42.75 |
-1.54 |
| 4 |
Leszko, Gellert G (11)
|
LEWEST |
47.34 |
43.96 |
-3.38 |
| 5 |
Kaylor, Jackson E (11)
|
LELSSC |
|
46.58 |
- |
| 6 |
Ketvertis, Drew T (11)
|
LECLES |
51.33 |
47.78 |
-3.55 |
| 7 |
Draeger, Colin P (11)
|
LELSSC |
48.55 |
47.85 |
-0.70 |
| 8 |
Draeger, Aidan A (11)
|
LELSSC |
|
48.28 |
- |
| 9 |
Ghobrial, Jonathan M (11)
|
LELSSC |
50.89 |
54.06 |
3.17 |
| 10 |
Grasso, Dominic T (11)
|
LELSSC |
|
55.66 |
- |
| 11 |
McCoy, Griffin H (11)
|
LELSSC |
1:07.07 |
1:02.34 |
-4.73 |