| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Smith, Annabel J (15)
|
MRBGNW |
1:07.69 |
1:07.75 |
0.06 |
| 2 |
Sabol, Mackinzie I (15)
|
MRBGNW |
1:10.51 |
1:10.02 |
-0.49 |
| 3 |
Gerosa, Grace H (15)
|
MRBGNW |
1:12.12 |
1:12.62 |
0.50 |
| 4 |
Ho, Audrey J (15)
|
MRBGNW |
1:14.82 |
1:13.36 |
-1.46 |
| 5 |
Valenzuela, Isabel A (15)
|
MRBGNW |
1:13.81 |
1:13.76 |
-0.05 |
| 6 |
Alexander, Audrey (17)
|
MRYFD |
1:11.50 |
1:14.39 |
2.89 |
| 7 |
Naughton, Kiera H (16)
|
MRBGNW |
1:13.99 |
1:15.73 |
1.74 |
| 8 |
Whang, Samantha E (16)
|
MRBGNW |
1:15.00 |
1:16.35 |
1.35 |
| 9 |
Henson, Kohana (15)
|
MRYFD |
1:16.23 |
1:18.14 |
1.91 |
| 10 |
Parikh, Rayna (16)
|
MRYFD |
1:16.32 |
1:19.02 |
2.70 |
| 11 |
Rozman, Miriam S (15)
|
MRPAC |
1:20.22 |
1:21.90 |
1.68 |
| 12 |
Williams, Laura A (17)
|
MRBGNW |
1:20.20 |
1:22.24 |
2.04 |
| 13 |
Justiniano, Brianna H (15)
|
MRBGNW |
1:22.12 |
1:22.51 |
0.39 |
| 14 |
Fagan, Paige C (17)
|
MRBGNW |
1:15.21 |
1:28.62 |
13.41 |
| 15 |
Clott, Kayla M (15)
|
MRBGNW |
1:29.10 |
1:29.11 |
0.01 |
| 16 |
Sullivan, Ava J (15)
|
MRYFD |
1:32.77 |
1:31.01 |
-1.76 |
| 17 |
Blume, Lauren I (16)
|
MRYFD |
1:40.09 |
1:37.59 |
-2.50 |
| 18 |
Laker, Melanie K (15)
|
MRYFD |
1:36.48 |
1:37.77 |
1.29 |