| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cohen, Briya S (16)
|
MAJW |
1:08.67 |
1:08.91 |
0.24 |
| 1 |
Franke, Madison E (16)
|
MAJW |
56.95 |
59.26 |
2.31 |
| 2 |
Davis, Molly A (14)
|
MAJW |
58.81 |
59.42 |
0.61 |
| 3 |
Wakiyama, Grace (14)
|
MARAD |
1:00.63 |
59.51 |
-1.12 |
| 4 |
Bujanowski, Jillian N (17)
|
MAPRSC |
58.06 |
59.81 |
1.75 |
| 5 |
Spillane, Lauren B (14)
|
MARAD |
58.00 |
1:00.71 |
2.71 |
| 6 |
Thomas, Patricia K (15)
|
MAPRSC |
58.33 |
1:00.87 |
2.54 |
| 7 |
Gaffney, Madison (14)
|
MARAD |
59.11 |
1:00.96 |
1.85 |
| 8 |
Milewski, Alexandra M (15)
|
MASTRM |
1:00.09 |
1:02.03 |
1.94 |
| 9 |
Swanick, Kylie G (13)
|
MARAD |
1:00.99 |
1:02.18 |
1.19 |
| 10 |
Plunkett, Olivia C (17)
|
MAJW |
1:04.25 |
1:04.83 |
0.58 |
| 11 |
Calabria, Morgan K (15)
|
MAWAVE |
1:00.54 |
1:05.23 |
4.69 |
|
Gutekunst, Jessica M (13)
|
MACBST |
1:13.07 |
NS |
- |
|
McElhill, Mei lin Q (16)
|
MAJW |
1:10.10 |
NS |
- |