| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mordaunt, Victoria (11)
|
MRYMID |
1:19.00 |
1:14.04 |
-4.96 |
| 2 |
White, Sienna R (12)
|
MRBGNW |
1:17.41 |
1:16.87 |
-0.54 |
| 3 |
Ho, Audrey J (11)
|
MRBGNW |
1:19.80 |
1:17.86 |
-1.94 |
| 4 |
Hill, Sasha (12)
|
MRYMID |
1:17.56 |
1:18.59 |
1.03 |
| 5 |
Wiggins, Alayla (12)
|
MRKBM |
1:35.49 |
1:23.90 |
-11.59 |
| 6 |
Aikman, Saskia M (11)
|
MRYMID |
|
1:25.36 |
- |
| 7 |
Wang, Reese (11)
|
MRBGNW |
1:42.17 |
1:26.58 |
-15.59 |
| 8 |
Bounds, Bae (12)
|
MRBGNW |
1:25.91 |
1:26.88 |
0.97 |
| 9 |
Ross, Ashley T (11)
|
MRBGNW |
1:45.82 |
1:33.56 |
-12.26 |
| 10 |
Tassier, Katherine A (12)
|
MRBGNW |
1:34.82 |
1:33.94 |
-0.88 |
| 11 |
Chan, Zoe (12)
|
MRLIAC |
1:55.00 |
1:34.78 |
-20.22 |
| 12 |
Champagnie, Chanel (12)
|
MRKBM |
1:42.78 |
1:40.11 |
-2.67 |
| 13 |
Kalinoglu, Samantha C (11)
|
MRLIAC |
1:55.00 |
1:41.71 |
-13.29 |
| 14 |
Valenzuela, Isabel A (11)
|
MRBGNW |
1:35.88 |
1:41.81 |
5.93 |
| 15 |
Suiu, Sophia R (11)
|
MRBGNW |
1:51.42 |
1:42.18 |
-9.24 |
| 16 |
Banta, Parker E (11)
|
MRBGNW |
|
1:43.36 |
- |
| 17 |
Pastore, Caroline G (11)
|
MRBGNW |
|
1:44.56 |
- |
| 18 |
King, Kayla S (11)
|
MRBGNW |
2:02.98 |
2:00.60 |
-2.38 |
|
Chang, Cathy (11)
|
MRLIAC |
1:27.12 |
NS |
- |