| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dang, Josiah T (11)
|
LARRAC |
41.03 |
40.13 |
-0.90 |
| 2 |
Russell, Brendan D (12)
|
LACOSS |
42.85 |
40.33 |
-2.52 |
| 3 |
Randolph, Parker B (12)
|
LARRAC |
46.18 |
42.24 |
-3.94 |
| 4 |
Vidrine, Conner C (12)
|
LASPAR |
43.80 |
42.31 |
-1.49 |
| 5 |
Arnold, Jonah E (11)
|
LASPAR |
43.95 |
43.33 |
-0.62 |
| 6 |
Poirier, Charles D (12)
|
LACOSS |
|
46.49 |
- |
| 7 |
Birdsong, Jacob D (12)
|
LACOSS |
45.82 |
48.12 |
2.30 |
| 8 |
Wilson, Christopher M (12)
|
LACOSS |
|
48.56 |
- |
| 9 |
Haase, Elijah K (11)
|
LARRAC |
52.78 |
48.97 |
-3.81 |
| 10 |
Ponder, Samuel M (11)
|
LACLAC |
53.29 |
49.36 |
-3.93 |
| 11 |
Osborne, Owen P (11)
|
LACOSS |
56.13 |
50.13 |
-6.00 |
| 12 |
Hooker, Dustin C (12)
|
LARRAC |
|
50.23 |
- |
| 13 |
Cox, Trevor N (12)
|
LACOSS |
|
51.85 |
- |
| 14 |
Winston, Rickey A (12)
|
LARRAC |
56.94 |
53.98 |
-2.96 |
| 15 |
Picou, Cameron K (11)
|
LACOSS |
1:06.38 |
1:10.02 |
3.64 |
|
Lyon, Jackson G (11)
|
LARRAC |
|
DQ |
- |
|
Youngblood, Matthew N (11)
|
LARRAC |
|
DQ |
- |