| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hanna, Matthew N (12)
|
ADCLIN |
41.43 |
41.27 |
-0.16 |
| 2 |
Chen, Richard H (11)
|
ADNHA |
45.55 |
43.34 |
-2.21 |
| 3 |
Marcotullio, Ryan P (12)
|
ADADDI |
46.50 |
44.40 |
-2.10 |
| 4 |
Mian, Imam (12)
|
ADCLIN |
43.70 |
44.90 |
1.20 |
| 5 |
Harding, Connor A (12)
|
ADCANA |
46.29 |
45.04 |
-1.25 |
| 6 |
Sunderland, Kurt P (12)
|
ADCANA |
48.06 |
45.76 |
-2.30 |
| 7 |
Hubbard, Ethan A (11)
|
ADCANA |
51.90 |
49.58 |
-2.32 |
| 8 |
Walsh, Andrew R (11)
|
ADSCHE |
50.13 |
50.01 |
-0.12 |
| 9 |
Roy, Evan G (12)
|
ADADDI |
52.22 |
50.63 |
-1.59 |
| 10 |
Dhillon, Meherpratap S (11)
|
ADADDI |
|
51.95 |
- |
| 11 |
Dembrow, Jake H (12)
|
ADNHA |
51.00 |
52.60 |
1.60 |
| 12 |
Van Wie, Samuel I (11)
|
ADAMST |
1:00.17 |
55.73 |
-4.44 |
| 13 |
Papandrea, Joseph S (11)
|
ADNHA |
|
59.95 |
- |
| 14 |
Grimm, Grady S (12)
|
ADNHA |
1:02.67 |
1:00.99 |
-1.68 |
| 15 |
Wilday, Jeffrey A (11)
|
ADCANA |
|
1:01.20 |
- |
| 16 |
DelMedico, Braiden J (11)
|
ADNHA |
1:05.01 |
1:05.43 |
0.42 |
| 17 |
Dickey, Nathan G (11)
|
ADCLRK |
1:09.32 |
1:09.16 |
-0.16 |
| 18 |
DeCrescenzo, Vincenzo D (11)
|
ADCANA |
|
1:09.26 |
- |
|
Murphy, Christopher D (11)
|
ADCANA |
|
DQ |
- |
|
Joseph, William P (11)
|
ADNHA |
51.21 |
DQ |
- |
|
Nole, Santino A (12)
|
ADNHA |
50.91 |
DQ |
- |
|
Sprouse, Jack E (11)
|
ADSVP |
1:23.49 |
DQ |
- |