| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Place, Katherine M (14)
|
MRCOND |
56.35 |
57.50 |
1.15 |
| 2 |
Arevalo, Emma (14)
|
MRCOND |
59.31 |
59.38 |
0.07 |
| 3 |
Rubin, Sally M (14)
|
MRCOND |
1:00.10 |
59.67 |
-0.43 |
| 4 |
Sirkowa, Adelina C (14)
|
MRCOND |
1:00.66 |
1:00.84 |
0.18 |
| 5 |
Lim, Lois K (14)
|
MRCOND |
1:00.27 |
1:00.88 |
0.61 |
| 6 |
Pothen, Ruth S (14)
|
MRCOND |
1:08.14 |
1:04.32 |
-3.82 |
| 7 |
Bender, Madison O (14)
|
MRCOND |
1:05.41 |
1:04.53 |
-0.88 |
| 8 |
Brutvan, Annabelle X (14)
|
MRNYS |
1:06.19 |
1:04.75 |
-1.44 |
| 9 |
Gottlieb, Tia A (14)
|
MRCOND |
1:04.66 |
1:05.32 |
0.66 |
| 10 |
Pomeroy, Catherine E (14)
|
MRCOND |
1:09.28 |
1:07.66 |
-1.62 |
| 11 |
Gleeson, Mikayla E (14)
|
MRCOND |
|
1:13.54 |
- |
| 12 |
Hynes, Roisin I (14)
|
MRHVD |
1:15.77 |
1:17.16 |
1.39 |
| 13 |
Khazin, Abigail (14)
|
MRAQRC |
1:24.89 |
1:21.53 |
-3.36 |