| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Monjaras, Alex (10)
|
STDDST |
38.38 |
37.59 |
-0.79 |
| 2 |
Nguyen, Bennedict (10)
|
USCSY |
39.40 |
37.94 |
-1.46 |
| 3 |
Wimberly, Mason V (9)
|
LARRAC |
|
39.27 |
- |
| 4 |
Bhandarkar, Dhruv (9)
|
PCY |
40.70 |
41.82 |
1.12 |
| 5 |
Wooldridge, Emerson R (10)
|
LARRAC |
46.99 |
45.19 |
-1.80 |
| 6 |
Susilovich, Charles D (9)
|
LARRAC |
47.08 |
47.65 |
0.57 |
| 7 |
Cottom, Jackson L (9)
|
LARRAC |
56.73 |
51.52 |
-5.21 |
| 8 |
Hobson, Andrew L (10)
|
LARRAC |
55.80 |
53.19 |
-2.61 |
| 9 |
Le-Griffin, Benjamin (10)
|
STTWYT |
1:03.11 |
58.76 |
-4.35 |
|
Tracey, Iorwerth S (9)
|
LARRAC |
53.29 |
DQ |
- |