| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Blake, Emily C (12)
|
NISTAR |
1:07.82 |
1:07.38 |
-0.44 |
| 2 |
Hodge, Ashley S (12)
|
NIUN-D |
1:09.93 |
1:10.26 |
0.33 |
| 3 |
Pakkal, Nil (12)
|
NIUN-D |
1:14.24 |
1:10.96 |
-3.28 |
| 4 |
Tesluk, Helen E (12)
|
NISTAR |
1:05.15 |
1:13.17 |
8.02 |
| 5 |
Pathammavong, Suriyathai A (12)
|
NIUN-V |
1:11.65 |
1:13.86 |
2.21 |
| 6 |
Killion, Natalie A (11)
|
NICLSC |
|
1:15.14 |
- |
| 7 |
Tesluk, Elizabeth D (11)
|
NISTAR |
1:18.17 |
1:18.16 |
-0.01 |
| 8 |
Marcyan, Maya G (11)
|
NITTSC |
1:20.01 |
1:18.31 |
-1.70 |
| 9 |
Sandruck, Brynn A (12)
|
NIVICT |
1:10.45 |
1:18.44 |
7.99 |
| 10 |
Moore, Kathleen E (12)
|
NIUN-D |
1:24.64 |
1:19.30 |
-5.34 |
| 11 |
McDonnell, Amelia R (11)
|
NISTAR |
1:26.68 |
1:20.24 |
-6.44 |
| 12 |
Leighton, Evelyn S (11)
|
NISTAR |
1:25.28 |
1:21.11 |
-4.17 |
| 13 |
Donnelly, Keira (12)
|
NIVICT |
1:21.00 |
1:21.79 |
0.79 |
| 14 |
Hull, Emily G (11)
|
NISTAR |
1:14.43 |
1:23.00 |
8.57 |
| 15 |
Lee, Ella (11)
|
NICLSC |
1:21.16 |
1:23.96 |
2.80 |
| 16 |
Berdysiak, Elizabeth C (11)
|
NICLSC |
1:28.86 |
1:30.73 |
1.87 |
| 17 |
Lin, Isabella E (11)
|
NIVELO |
|
1:34.84 |
- |
| 18 |
Hauser-Howells, Lillian K (12)
|
NITTSC |
|
1:38.72 |
- |
| 19 |
Fosberg, Ella G (11)
|
NISTAR |
|
1:46.38 |
- |
| 20 |
McMullen, Haley (12)
|
NIVELO |
|
1:48.37 |
- |
|
Asher, Sophia (12)
|
NIVELO |
|
DQ |
- |