| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yu, Charles R (12)
|
GU300 |
32.73 |
31.67 |
-1.06 |
| 2 |
Lin, Vincent Y (12)
|
GU300 |
42.12 |
37.53 |
-4.59 |
| 3 |
Figueredo-Weiser, Lukas (11)
|
GUVSST |
36.75 |
37.72 |
0.97 |
| 4 |
Dresslar, William P (11)
|
GUVSST |
44.49 |
40.75 |
-3.74 |
| 5 |
Allen, Charles T (11)
|
GU300 |
40.63 |
41.79 |
1.16 |
| 6 |
Davis, Harry D (11)
|
GUVSST |
44.33 |
42.78 |
-1.55 |
| 7 |
Du, Alan (12)
|
GU300 |
57.37 |
51.06 |
-6.31 |
| 8 |
Tran, Minh H (11)
|
GUCFSC |
1:05.01 |
51.43 |
-13.58 |
| 9 |
Wu, Andrew (12)
|
GUCFSC |
|
51.75 |
- |
| 10 |
Verano, Vincent Jon A (12)
|
GUSPA |
58.10 |
52.13 |
-5.97 |
| 11 |
Herrera, Thepte A (11)
|
GU300 |
|
56.08 |
- |
| 12 |
Gonzalez, Randy JR (11)
|
GUEPRC |
|
1:04.74 |
- |
| 13 |
Van Beljon, Joshua L (11)
|
GUVSST |
|
1:07.98 |
- |
|
Nord, Cole W (12)
|
GUCFSC |
|
DQ |
- |
|
Shirley, Acen C (11)
|
GUVSST |
47.53 |
NS |
- |