| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bak, Julia (11)
|
MRQNS |
59.31 |
1:01.59 |
2.28 |
| 2 |
Reis, Sophie M (12)
|
MRUN |
1:04.50 |
1:03.34 |
-1.16 |
| 3 |
Behrend, Molly C (12)
|
MRWEST |
1:06.28 |
1:04.48 |
-1.80 |
| 4 |
Tamura, Lynn (12)
|
MRWEST |
1:04.72 |
1:05.73 |
1.01 |
| 5 |
DeCasseres, Brianna O (11)
|
MRWEST |
1:07.97 |
1:06.03 |
-1.94 |
| 6 |
Spencer-Edwards, Lauren A (12)
|
MRQNS |
1:07.12 |
1:08.16 |
1.04 |
| 7 |
Fasolino, Sofia (12)
|
MRWEST |
1:19.11 |
1:08.51 |
-10.60 |
| 8 |
Galimi, Maeve O (12)
|
MRWEST |
1:12.19 |
1:09.21 |
-2.98 |
| 9 |
Udomsilp, Natalie (11)
|
MRLGAC |
1:10.74 |
1:11.41 |
0.67 |
| 10 |
Horney, Alexandra J (12)
|
MRWEST |
1:11.88 |
1:12.16 |
0.28 |
| 11 |
Rigzin, Khando W (11)
|
MRLGAC |
1:20.52 |
1:13.65 |
-6.87 |
| 12 |
Arevalo, Emma (12)
|
MRCOND |
1:14.48 |
1:14.88 |
0.40 |
| 13 |
Fang, YingYuan (11)
|
MRWEST |
|
1:14.94 |
- |
| 14 |
Mealli, Ingrid S (11)
|
MRBGNW |
1:30.65 |
1:20.47 |
-10.18 |
| 15 |
Bodnar, Ruby A (11)
|
MRCOND |
1:20.71 |
1:21.17 |
0.46 |
| 16 |
Peng, Elaine (11)
|
MRLGAC |
1:22.01 |
1:23.17 |
1.16 |
| 17 |
O'Sullivan, Brinan K (12)
|
MRLGAC |
1:22.80 |
1:24.58 |
1.78 |
| 18 |
Ponce-Erickson, Khloe (12)
|
MRCOND |
|
1:25.41 |
- |
| 19 |
Tang, Addison (12)
|
MRQNS |
1:43.11 |
1:26.90 |
-16.21 |
| 20 |
Titievsky, Zoe F (12)
|
MRBKR |
1:34.30 |
1:29.00 |
-5.30 |
| 21 |
Ware, Aurora (11)
|
MRLIFE |
1:26.37 |
1:29.17 |
2.80 |
| 22 |
Letts, Hayden T (12)
|
MRBKR |
1:30.00 |
1:36.58 |
6.58 |
| 23 |
Hall, Emma B (12)
|
MRBKR |
1:35.00 |
1:40.02 |
5.02 |
| 24 |
Thompson, Maya N (11)
|
MRBKR |
1:45.00 |
1:42.68 |
-2.32 |
| 25 |
McGee, Leah T (11)
|
MRBKR |
1:40.00 |
1:44.75 |
4.75 |
| 26 |
Irizarry, Chloe C (12)
|
MRBKR |
1:40.00 |
1:44.79 |
4.79 |
|
Sitner, Estella R (11)
|
MRCOND |
|
DQ |
- |
|
Johnston, Sarah L (11)
|
MRCOND |
1:42.08 |
DQ |
- |
|
Ismail, Lena R (11)
|
MRBKR |
1:35.00 |
NS |
- |
|
Ding, Vivienne (12)
|
MRBKR |
1:55.00 |
NS |
- |