| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mottershead, Freya L (11)
|
MAUN-M |
1:21.09 |
1:18.61 |
-2.48 |
| 2 |
Auwarter, Olivia N (11)
|
MAUDAC |
1:24.41 |
1:25.04 |
0.63 |
| 3 |
Motelson, Jessie R (11)
|
MAUDAC |
1:39.14 |
1:27.73 |
-11.41 |
| 4 |
O'Connor, Bryn C (11)
|
MAHHAA |
1:27.51 |
1:29.98 |
2.47 |
| 5 |
Cohen, Rachel E (11)
|
MAGSA |
|
1:33.63 |
- |
| 6 |
Messmer, Gabriella B (11)
|
MAGSA |
1:36.45 |
1:33.82 |
-2.63 |
| 7 |
Wigginton, Samantha L (11)
|
MAHHAA |
1:32.26 |
1:36.21 |
3.95 |
| 8 |
Michel, Lucielle E (11)
|
MAMAC |
|
1:38.45 |
- |
| 9 |
Mothersbaugh, Eloise F (11)
|
MAHHAA |
1:41.40 |
1:40.97 |
-0.43 |
| 10 |
Sgarra, Ava M (11)
|
MAMAC |
|
1:41.34 |
- |
| 11 |
McDermott, Aisling R (11)
|
MAGSA |
|
1:42.29 |
- |
| 12 |
Leonard, Amber L (11)
|
MAPENN |
1:47.34 |
1:44.30 |
-3.04 |
| 13 |
Patterson, Julienne M (11)
|
MASPFD |
1:35.56 |
1:48.93 |
13.37 |
| 14 |
Miller, Zella C (11)
|
MADYD |
1:49.12 |
1:49.27 |
0.15 |
| 15 |
Rawa, Ashley E (11)
|
MAHHAA |
|
1:52.92 |
- |