| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Spencer, Oliver A (12)
|
GUUN-S |
57.94 |
55.53 |
-2.41 |
| 2 |
Yu, Charles R (12)
|
GU300 |
57.46 |
56.41 |
-1.05 |
| 3 |
Ng, Joshua A (12)
|
GUSHAC |
1:03.02 |
1:04.48 |
1.46 |
| 4 |
Lam, William T (12)
|
GUESCA |
1:13.47 |
1:05.13 |
-8.34 |
| 5 |
Alarcon, Elias (12)
|
GUSWAT |
1:05.58 |
1:06.34 |
0.76 |
| 6 |
Williams, Ethan A (11)
|
GUHCAP |
1:08.83 |
1:07.03 |
-1.80 |
| 7 |
Nguyen, Anderson K (11)
|
GUESCA |
1:07.33 |
1:08.17 |
0.84 |
| 8 |
Kurka, George J (11)
|
GUSHAC |
1:15.41 |
1:11.56 |
-3.85 |
| 9 |
Knight, Theodore III R (11)
|
GUAQUA |
|
1:16.82 |
- |
| 10 |
Herrera, Thepte A (11)
|
GU300 |
1:40.59 |
1:26.66 |
-13.93 |
| 11 |
Zeng, Jerry (11)
|
GUSWAT |
1:36.23 |
1:27.66 |
-8.57 |
| 12 |
Dang, Man M (11)
|
GUESCA |
1:25.73 |
1:29.08 |
3.35 |
| 13 |
Pickering, Wynnstan K (11)
|
GUSHAC |
|
2:04.87 |
- |
|
Lador, Itay (12)
|
GUCOOG |
1:13.20 |
NS |
- |
|
Swan, Gideon P (12)
|
GUSHAC |
1:01.17 |
NS |
- |
|
Gee, Christopher T (11)
|
GU300 |
|
NS |
- |
|
Barrera, Jayden S (11)
|
GUHCAP |
1:12.61 |
NS |
- |
|
Rana, Shivaang (11)
|
GUECS |
1:44.35 |
NS |
- |