| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bu, Daniel Y (7)
|
PVRMSC |
53.18 |
51.55 |
-1.63 |
| 2 |
Be, Max A (7)
|
PVRMSC |
1:04.18 |
58.67 |
-5.51 |
| 3 |
Woo, Elliot J (7)
|
PVASA |
56.09 |
59.93 |
3.84 |
| 4 |
Dodd, Mason D (7)
|
PVRMSC |
|
1:00.21 |
- |
| 5 |
Seyhan, Batu (7)
|
PVRMSC |
1:07.30 |
1:02.64 |
-4.66 |
| 6 |
Ji, Yian (7)
|
PVRMSC |
|
1:02.99 |
- |
| 7 |
Grant, Nicolas A (7)
|
PVRMSC |
|
1:03.96 |
- |
| 8 |
Smink, Edison S (7)
|
PVRMSC |
|
1:08.29 |
- |
| 9 |
Gilbert, Xavier (7)
|
PVRMSC |
|
1:09.37 |
- |
| 10 |
Yang, Eric (7)
|
PVRMSC |
|
1:10.88 |
- |
| 11 |
Chandane, Anay S (7)
|
PVRMSC |
|
1:12.12 |
- |
|
Perera, Noah R (7)
|
PVRMSC |
|
DQ |
- |
|
Mendoza, Brent Alexander M (7)
|
PVRMSC |
|
NS |
- |