| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wigginton, Samantha L (11)
|
MAHHAA |
1:17.36 |
1:16.60 |
-0.76 |
| 1 |
Koratich, Kylee S (12)
|
MAUN-0 |
|
1:22.60 |
- |
| 1 |
Gonzales, Lydia R (12)
|
MAUN-0 |
1:00.89 |
59.82 |
-1.07 |
| 2 |
Sims, Marisol W (12)
|
PVSNOW |
1:07.80 |
1:07.26 |
-0.54 |
| 2 |
Garber, Julia M (12)
|
MAEAC |
1:16.95 |
1:17.63 |
0.68 |
| 2 |
McHenry, Amelia R (12)
|
MAUN-0 |
1:42.51 |
1:28.65 |
-13.86 |
| 3 |
McDermott, Grace (11)
|
MAJY |
1:22.76 |
1:18.27 |
-4.49 |
| 3 |
McDermott, Hope (11)
|
MAJY |
1:32.55 |
1:32.06 |
-0.49 |
| 4 |
Harshman, Madeline M (11)
|
MDFAST |
1:22.45 |
1:25.16 |
2.71 |
| 4 |
McCurry, Eva M (12)
|
PVSNOW |
1:41.03 |
1:35.63 |
-5.40 |
| 5 |
Kish, Sydney M (11)
|
PVSNOW |
1:25.02 |
1:25.81 |
0.79 |
| 5 |
Mothersbaugh, Eloise F (11)
|
MAHHAA |
1:58.83 |
1:37.60 |
-21.23 |
| 6 |
McFadden, Sarah M (12)
|
PVSNOW |
1:46.12 |
1:38.24 |
-7.88 |
| 7 |
Burns, Madelyn A (12)
|
MDFAST |
|
1:42.67 |
- |
| 8 |
Gonzalez, Cecilia M (11)
|
MDBAAC |
|
1:55.34 |
- |
| 9 |
Ismail, Mariam O (12)
|
PVSNOW |
1:49.55 |
1:56.68 |
7.13 |
|
Rawa, Ashley E (11)
|
MAHHAA |
|
1:33.47 |
- |