| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Trosman, Rebecca (13)
|
MRMPNY |
56.41 |
56.60 |
0.19 |
| 2 |
Dorsey-Reyes, Violet (13)
|
MRMAKO |
56.38 |
56.66 |
0.28 |
| 3 |
Kuznetsov, Elizabeth (13)
|
MRMPNY |
56.87 |
58.05 |
1.18 |
| 4 |
Shefferman, Storey (13)
|
MRMAKO |
58.23 |
58.36 |
0.13 |
| 5 |
Law, Brianna (13)
|
MRMPNY |
59.74 |
59.53 |
-0.21 |
| 6 |
Vos, Brooke C (13)
|
MRRFAC |
58.95 |
1:00.78 |
1.83 |
| 7 |
Kuliecza, Vivienne R (13)
|
MRMAKO |
1:00.68 |
1:02.16 |
1.48 |
| 8 |
Traynor, Ania K (13)
|
MRBAD |
1:04.21 |
1:04.41 |
0.20 |
| 9 |
Dougherty, Amy L (13)
|
MRBAD |
1:05.69 |
1:04.87 |
-0.82 |
| 10 |
Florin, Angelina (13)
|
MRTRS |
1:11.68 |
1:07.11 |
-4.57 |
| 11 |
Villalona, Sienna D (13)
|
MRTRS |
1:07.11 |
1:07.62 |
0.51 |
| 12 |
Davidson, Ren (13)
|
MRMAKO |
1:12.14 |
1:10.40 |
-1.74 |
| 13 |
Feyder, Aviva (13)
|
MRMAKO |
1:12.47 |
1:11.90 |
-0.57 |
| 14 |
Joachim, Julia M (13)
|
MRTRS |
1:20.62 |
1:24.27 |
3.65 |
|
Donohoe, Megan E (13)
|
MRCOND |
1:08.52 |
NS |
- |