| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ranile, Nicole G (11)
|
MAGAAC |
1:07.52 |
1:06.39 |
-1.13 |
| 1 |
Lee, Lana E (12)
|
MAUDAC |
1:16.92 |
1:10.19 |
-6.73 |
| 1 |
Webb, Averi B (11)
|
MAGAAC |
|
1:18.18 |
- |
| 2 |
Smith, Grace D (12)
|
MAGNBC |
1:07.81 |
1:07.84 |
0.03 |
| 2 |
McNulty, Mary Frances (11)
|
MACBST |
1:17.22 |
1:13.91 |
-3.31 |
| 2 |
Coplan, Annabel (12)
|
MAUDAC |
|
1:20.62 |
- |
| 3 |
Obara, Kendall G (12)
|
MAUN |
1:08.04 |
1:10.16 |
2.12 |
| 3 |
Saul, Yuran A (11)
|
MAJRAY |
1:15.02 |
1:14.19 |
-0.83 |
| 3 |
Smith, Emily A (11)
|
MAJRAY |
1:25.56 |
1:21.75 |
-3.81 |
| 4 |
Kiser, Relena E (12)
|
MAGNBC |
1:15.27 |
1:15.66 |
0.39 |
| 4 |
Kury, Emma L (12)
|
MALAC |
1:34.35 |
1:27.11 |
-7.24 |
| 5 |
Abraham, Evelyn V (11)
|
MACHEL |
1:29.00 |
1:28.37 |
-0.63 |
| 6 |
Gray, Elizabeth C (11)
|
MASERP |
1:30.61 |
1:29.35 |
-1.26 |
| 7 |
Mascaro, Sofia J (12)
|
MAGAAC |
|
1:32.08 |
- |
| 8 |
Heberlig, Sarah L (11)
|
MALAC |
1:32.44 |
1:33.62 |
1.18 |
| 9 |
McKiernan, Shannon L (11)
|
MAJRAY |
|
1:42.85 |
- |
| 10 |
Henry, Kameryn L (11)
|
MASERP |
1:53.27 |
1:44.22 |
-9.05 |
| 11 |
Markovich, Sophie M (11)
|
MASERP |
2:04.76 |
1:55.39 |
-9.37 |
|
Mikalic, Maggie (12)
|
MAUDAC |
1:07.41 |
NS |
- |
|
Jeffery, Savannah L (11)
|
MAKAY |
|
NS |
- |