| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bondi, Miles (10)
|
MAUDAC |
49.75 |
42.44 |
-7.31 |
| 1 |
Kutufaris, Benjamin A (10)
|
MARAYS |
42.55 |
42.49 |
-0.06 |
| 2 |
Koh, Anthony (9)
|
MAUDAC |
44.23 |
43.38 |
-0.85 |
| 2 |
Cillo, Ray L (10)
|
MAKAY |
|
48.55 |
- |
| 3 |
Tishin, Maksim (10)
|
MACORE |
42.85 |
43.45 |
0.60 |
| 3 |
Boratto, Evan A (9)
|
MAUDAC |
|
49.19 |
- |
| 4 |
Greek, Michael G (9)
|
MARAYS |
44.29 |
43.92 |
-0.37 |
| 4 |
Calabro, Stephen T (10)
|
MAGAAC |
51.88 |
49.97 |
-1.91 |
| 5 |
Buckwalter, Darius H (10)
|
MALAC |
|
50.64 |
- |
| 6 |
Friedman, Ethan S (10)
|
MAJRAY |
52.33 |
50.74 |
-1.59 |
| 7 |
Kalikhman, Brenden M (10)
|
MACRSC |
|
52.59 |
- |
| 8 |
Suc, Maximilien P (10)
|
MAUDAC |
54.13 |
54.55 |
0.42 |
| 9 |
Konarski, Hunter (10)
|
MATOPS |
57.48 |
56.27 |
-1.21 |
| 10 |
Bansal, Kieran S (9)
|
MALAC |
55.92 |
56.44 |
0.52 |
| 11 |
McMahon, Conor E (9)
|
MACHEL |
1:00.55 |
57.49 |
-3.06 |
| 12 |
Lee, Ryan T (9)
|
MACHEL |
|
58.16 |
- |
| 13 |
Matsinger, William C (9)
|
MACHEL |
|
1:07.60 |
- |
|
Ji, David (10)
|
MAUDAC |
|
NS |
- |
|
Fu, Brandon (9)
|
MAUDAC |
|
NS |
- |
|
Tupper, Hayden M (10)
|
MAWCAC |
|
NS |
- |