| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bousum, Grace D (17)
|
MAUMLY |
4:30.18 |
4:40.88 |
10.70 |
| 2 |
Malmstrom, Abigail M (16)
|
MAUMLY |
|
4:49.48 |
- |
| 3 |
Robinson, Lily J (15)
|
MAUMLY |
|
4:50.09 |
- |
| 4 |
Hamill, Caitlin E (17)
|
MAUMLY |
5:02.94 |
5:03.24 |
0.30 |
| 5 |
Pappas, Penelope E (16)
|
MAPAY |
5:08.99 |
5:06.84 |
-2.15 |
| 6 |
Kummerer, Katherine E (15)
|
MABYNS |
5:13.96 |
5:13.02 |
-0.94 |
| 7 |
Hardick, Clara E (16)
|
MARY |
5:01.48 |
5:14.41 |
12.93 |
| 8 |
Regan, Katie M (17)
|
MAWCAY |
5:04.71 |
5:15.83 |
11.12 |
| 9 |
Kaczmarski, Rachel (15)
|
MAWCAY |
|
5:19.49 |
- |
| 10 |
Clark, Julia M (16)
|
MABYNS |
5:14.92 |
5:25.09 |
10.17 |