| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wynn, Wesley B (9)
|
LACLAC |
38.68 |
35.94 |
-2.74 |
| 2 |
Bartels, Tyler J (10)
|
LARRAC |
38.57 |
36.58 |
-1.99 |
| 3 |
Lipp, Sean P (10)
|
NTMTRO |
46.53 |
37.60 |
-8.93 |
| 4 |
Daniel, Daniel A (10)
|
NTTRAC |
|
38.24 |
- |
| 5 |
Quinlan, Brady M (10)
|
LACOSS |
51.58 |
39.28 |
-12.30 |
| 6 |
Martin, Victor J (9)
|
LASPAR |
42.58 |
41.70 |
-0.88 |
| 7 |
Melton, Owen M (9)
|
LARRAC |
|
43.49 |
- |
| 8 |
Watts, Alan H (9)
|
LACLAC |
47.10 |
44.22 |
-2.88 |
| 9 |
Wilson, Henry H (9)
|
LACOSS |
|
45.13 |
- |
| 10 |
Griffith, Parker D (9)
|
LACOSS |
49.37 |
46.22 |
-3.15 |
| 11 |
McPherson, Ian O (10)
|
LACOSS |
48.48 |
47.04 |
-1.44 |
| 12 |
McPherson, Ewan O (10)
|
LACOSS |
45.77 |
47.47 |
1.70 |
| 13 |
Susilovich, Charlie D (9)
|
LACOSS |
50.91 |
50.37 |
-0.54 |
| 14 |
Rabalais, Casey A (10)
|
LASC |
|
50.71 |
- |
| 15 |
Wooldridge, Emerson R (10)
|
LARRAC |
|
52.10 |
- |
| 16 |
Wilson, Ellis J (9)
|
LACOSS |
|
1:01.60 |
- |
| 17 |
Khieo, Apolo C (10)
|
NTMTRO |
|
1:06.50 |
- |