| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Majewski, Madeline J (12)
|
MACBST |
1:04.22 |
1:04.96 |
0.74 |
| 1 |
Messmer, Gabriella B (12)
|
MAGSA |
1:12.01 |
1:12.72 |
0.71 |
| 1 |
Luddecke, Megan B (12)
|
MAUN-W |
1:21.40 |
1:18.41 |
-2.99 |
| 2 |
Mottershead, Freya L (12)
|
MACBR |
1:12.95 |
1:09.97 |
-2.98 |
| 2 |
Shapiro, Sarah (12)
|
MACBR |
1:19.77 |
1:15.41 |
-4.36 |
| 2 |
Patterson, Julienne M (11)
|
MASPFD |
1:46.88 |
1:20.27 |
-26.61 |
| 3 |
Simonetti, Elsa B (12)
|
MAGAAC |
1:09.70 |
1:10.32 |
0.62 |
| 3 |
Piacitelli, Talia R (12)
|
MAGAAC |
1:23.08 |
1:16.87 |
-6.21 |
| 3 |
Patel, Aryana V (11)
|
MAUN-W |
1:24.90 |
1:23.23 |
-1.67 |
| 4 |
Bottino, Gianna M (12)
|
MACBST |
|
1:23.69 |
- |
| 5 |
Formica, Riley E (11)
|
MAUMAC |
|
1:24.15 |
- |
| 6 |
Wentzel, Harper M (12)
|
MASOUD |
1:26.64 |
1:31.44 |
4.80 |
| 7 |
Mothersbaugh, Eloise F (11)
|
MAHHAA |
1:25.51 |
1:32.80 |
7.29 |
| 8 |
Moore, Allison T (11)
|
MAHHAA |
1:35.81 |
1:42.50 |
6.69 |
|
Tooze, Grace P (11)
|
MAEAAC |
1:15.40 |
NS |
- |
|
Brazer, Charlotte E (12)
|
MAGAAC |
1:19.93 |
NS |
- |