| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tjahaya, Nikko I (11)
|
MRUN |
1:06.92 |
1:04.78 |
-2.14 |
| 2 |
Jiang, Lori (11)
|
MRWEST |
1:08.63 |
1:08.10 |
-0.53 |
| 3 |
Johnson, Evangeline N (11)
|
MRUNAT |
|
1:10.33 |
- |
| 4 |
Gerosa, Grace H (12)
|
MRBGNW |
1:13.88 |
1:10.41 |
-3.47 |
| 5 |
White, Finley M (11)
|
MRBGNW |
1:22.82 |
1:12.73 |
-10.09 |
| 6 |
Messinger-Nanni, Julia J (11)
|
MRAGUA |
1:15.00 |
1:15.62 |
0.62 |
| 7 |
Ross Allen, Zoe F (11)
|
MRUN |
1:17.68 |
1:17.00 |
-0.68 |
| 8 |
Lovig, Natalie J (11)
|
MRBGNW |
1:19.22 |
1:17.12 |
-2.10 |
| 9 |
McCall, Veronica L (11)
|
MRMAKO |
1:10.00 |
1:17.85 |
7.85 |
| 10 |
Banta, Parker E (12)
|
MRBGNW |
1:25.91 |
1:19.04 |
-6.87 |
| 11 |
Aydin, Zoey L (11)
|
MRPAC |
1:22.23 |
1:19.50 |
-2.73 |
| 12 |
Zecar, Ivana M (11)
|
MRUN |
1:18.90 |
1:19.93 |
1.03 |
| 13 |
Ross, Ashley T (12)
|
MRBGNW |
1:21.00 |
1:20.54 |
-0.46 |
| 14 |
McPartland, Zofia T (12)
|
MRMAKO |
1:18.00 |
1:21.43 |
3.43 |
| 15 |
Oh, Madeline J (11)
|
MRBGNW |
1:32.38 |
1:25.17 |
-7.21 |
| 16 |
Lugassy, Leora M (11)
|
MRBGNW |
1:28.77 |
1:25.73 |
-3.04 |
| 17 |
King, Madison P (11)
|
MRBGNW |
1:36.35 |
1:26.20 |
-10.15 |
| 18 |
Lane, Caroline G (11)
|
MRBGNW |
1:41.66 |
1:38.74 |
-2.92 |