| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gray, Jackson W (10)
|
ADALBS |
38.72 |
35.82 |
-2.90 |
| 2 |
Miller, Jason R (9)
|
ADUN |
1:21.46 |
36.86 |
-44.60 |
| 3 |
Venditti, Joseph R (9)
|
ADUN |
40.88 |
38.89 |
-1.99 |
| 4 |
Orcutt, Andrew T (9)
|
ADUN |
39.07 |
39.73 |
0.66 |
| 5 |
Wettig, Gabriel J (10)
|
ADBSPA |
43.70 |
41.05 |
-2.65 |
| 6 |
Leung, Arthur W (10)
|
ADSCHE |
47.45 |
43.16 |
-4.29 |
| 7 |
Hopper, Andrew W (9)
|
ADDELM |
39.15 |
43.54 |
4.39 |
| 8 |
Durden, Lucas A (10)
|
ADSSCY |
44.62 |
45.42 |
0.80 |
| 9 |
O'Leary, Anthony U (9)
|
ADBSPA |
45.10 |
46.80 |
1.70 |
| 10 |
Witting, Liam T (9)
|
ADDELM |
49.56 |
47.68 |
-1.88 |
| 11 |
Otten, Ryan J (10)
|
ADBSPA |
50.75 |
48.53 |
-2.22 |
| 12 |
Roe, Ethan J (10)
|
ADALBS |
|
54.00 |
- |
| 13 |
Noonan, Patrick D (9)
|
ADDELM |
1:04.25 |
1:04.64 |
0.39 |
|
LaFountain, Tobias P (10)
|
ADALBS |
|
DQ |
- |
|
Scott, Kirk A (10)
|
ADGLFY |
1:00.37 |
DQ |
- |