| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Baird, Connor S (12)
|
ADSCHE |
34.15 |
32.77 |
-1.38 |
| 2 |
Bablin, Matthew J (11)
|
ADBSPA |
33.83 |
33.04 |
-0.79 |
| 3 |
Miller, Brian J (12)
|
ADSSCY |
36.67 |
35.10 |
-1.57 |
| 4 |
Baird, Calvin M (12)
|
ADSCHE |
36.38 |
36.86 |
0.48 |
| 5 |
Sunderland, Kurt P (12)
|
ADCANA |
46.64 |
38.43 |
-8.21 |
| 6 |
Martin, Wyatt R (12)
|
ADSCHE |
40.62 |
39.01 |
-1.61 |
| 7 |
Harding, Connor A (12)
|
ADCANA |
40.72 |
39.41 |
-1.31 |
| 8 |
Ernst, Noah R (12)
|
ADSARY |
45.28 |
46.29 |
1.01 |
| 9 |
Nacheman, Zachary J (11)
|
ADSARY |
46.00 |
48.32 |
2.32 |
| 10 |
Stedman, Julian S (11)
|
ADGLFY |
1:00.34 |
48.95 |
-11.39 |
| 11 |
Joseph, William P (11)
|
ADNHA |
49.91 |
49.32 |
-0.59 |
| 12 |
Aliperti, Jude B (11)
|
ADSARY |
50.83 |
49.93 |
-0.90 |
|
Dhillon, Meherpratap S (11)
|
ADADDI |
|
DQ |
- |
|
Vozzy, Anthony G (11)
|
ADSSCY |
|
DQ |
- |
|
Cronin, Shane T (12)
|
ADCPP |
1:08.45 |
NS |
- |
|
Ellis, Ashton C (12)
|
ADGLFY |
43.52 |
NS |
- |