| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Smith IV, Thomas J (17)
|
LABAC |
36.91 |
34.49 |
-2.42 |
| 2 |
Lipp, Joshua C (15)
|
NTMTRO |
34.61 |
34.52 |
-0.09 |
| 3 |
Oster, Davis A (16)
|
NTTRAC |
36.62 |
35.49 |
-1.13 |
| 4 |
Schlang, Mason J (16)
|
LASPAR |
32.13 |
35.63 |
3.50 |
| 5 |
Epp, Nate B (17)
|
LACLAC |
|
35.70 |
- |
| 6 |
Guidroz, Patrick L (16)
|
LACOAS |
|
37.77 |
- |
| 7 |
Feeney, Jameson D (17)
|
LARRAC |
37.65 |
37.87 |
0.22 |
| 8 |
Hartnett, Shane A (15)
|
LACOSS |
43.28 |
38.23 |
-5.05 |
| 9 |
Kleinschmidt, Gabriel S (15)
|
LASPAR |
|
40.98 |
- |
| 10 |
Harmson, Reed D (17)
|
LASC |
48.00 |
41.09 |
-6.91 |
| 11 |
Buenaventura III, Narciso M (15)
|
NTTRAC |
44.23 |
41.92 |
-2.31 |
| 12 |
Bradford, Cameron P (15)
|
LACLAC |
53.98 |
42.13 |
-11.85 |
| 13 |
Wang, Andrew L (16)
|
LASPAR |
|
42.78 |
- |
| 14 |
Larsen, Frederick J (16)
|
LACOAS |
|
44.76 |
- |
| 15 |
Descant, Jackson P (15)
|
LASC |
|
45.73 |
- |
| 16 |
McLain, Joshua P (16)
|
LACOAS |
|
50.76 |
- |
|
Hearne, Charles D (17)
|
LACOSS |
|
NS |
- |