| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Prezyna, Zoey (10)
|
NIVICT |
1:22.28 |
1:19.66 |
-2.62 |
| 2 |
Philbrick, Mylie E (10)
|
NIVELO |
1:24.22 |
1:24.63 |
0.41 |
| 3 |
Wagner, Morgan E (10)
|
NIVICT |
1:23.59 |
1:25.37 |
1.78 |
| 4 |
Reilly, Bridget F (9)
|
NISTAR |
1:30.75 |
1:25.53 |
-5.22 |
| 5 |
Cywinski, Anna C (9)
|
NIVICT |
1:23.79 |
1:25.75 |
1.96 |
| 6 |
Strittmatter, Amelia C (10)
|
NISTAR |
1:34.84 |
1:26.84 |
-8.00 |
| 7 |
Anderson, Madden (10)
|
NIVELO |
|
1:29.10 |
- |
| 8 |
Barillari, Emma (10)
|
NIVELO |
1:33.28 |
1:29.48 |
-3.80 |
| 9 |
Gachette, Marisa B (10)
|
NIVELO |
1:33.44 |
1:32.66 |
-0.78 |
| 10 |
King, Skylar L (10)
|
NIEAST |
1:34.96 |
1:34.12 |
-0.84 |
| 11 |
Reukauf, Anna R (10)
|
NISTAR |
1:47.89 |
1:37.78 |
-10.11 |
| 12 |
Burnham, Madeline (9)
|
NIVELO |
|
1:45.11 |
- |
| 13 |
Tothero, Madeleine S (10)
|
NISTAR |
1:53.89 |
1:48.31 |
-5.58 |
| 14 |
King, Izzy M (9)
|
NIEAST |
1:58.77 |
1:53.15 |
-5.62 |
| 15 |
Wands, Lucille M (9)
|
NIVELO |
2:08.84 |
1:55.76 |
-13.08 |
| 16 |
Arcadi, Kayla A (10)
|
NIVELO |
|
1:55.81 |
- |
| 17 |
Crozier, Sydney (10)
|
NIVELO |
1:57.22 |
1:58.40 |
1.18 |
|
Attuwaybi, Eman (9)
|
NIVELO |
|
DQ |
- |
|
Codjovi, Jelani A (8)
|
NIVELO |
|
DQ |
- |
|
Natemeier, Amelia E (10)
|
NIUN-V |
1:23.92 |
DQ |
- |