| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Joseph, Caleb A (12)
|
LARRAC |
45.31 |
41.25 |
-4.06 |
| 2 |
Reeder, Tillman C (12)
|
LABAC |
43.98 |
45.58 |
1.60 |
| 3 |
Letchuman, Raj (12)
|
LARRAC |
56.29 |
45.74 |
-10.55 |
| 4 |
Randolph, Parker B (11)
|
LARRAC |
1:02.70 |
47.29 |
-15.41 |
| 5 |
Nicolosi, Augustus J (12)
|
LARRAC |
57.30 |
49.18 |
-8.12 |
| 6 |
Rina, John Matthew T (11)
|
LARRAC |
|
49.86 |
- |
| 7 |
Higgins, Harrison J (11)
|
LARRAC |
58.61 |
50.10 |
-8.51 |
| 8 |
Winston, Rickey A (11)
|
LARRAC |
|
56.94 |
- |
| 9 |
Egginton, Chase H (11)
|
LARRAC |
|
58.14 |
- |
|
Wright, Luke T (12)
|
LARRAC |
52.03 |
DQ |
- |
|
Yarborough, Aiden L (11)
|
LABAC |
1:12.75 |
NS |
- |