| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Foley, Lola G (14)
|
MRTS |
57.68 |
58.03 |
0.35 |
| 2 |
McDonnell, Emily A (16)
|
MRLBA |
57.99 |
59.64 |
1.65 |
| 3 |
Phelan, Denise G (13)
|
MRTS |
59.48 |
59.73 |
0.25 |
| 4 |
Iaccarino-Modni, Josephine A (15)
|
MRLBA |
59.61 |
1:00.13 |
0.52 |
| 5 |
Commike, Samantha N (14)
|
MRFA |
59.45 |
1:00.59 |
1.14 |
| 6 |
DePalma, Mikaylie (16)
|
MRTS |
56.97 |
1:01.01 |
4.04 |
| 7 |
Dimaria, Jennifer A (13)
|
MRTS |
58.65 |
1:01.10 |
2.45 |
| 8 |
Iorio, Catherine T (14)
|
MRTS |
1:02.16 |
1:02.86 |
0.70 |
| 9 |
Casalaina, Livia E (14)
|
MRLBA |
1:02.70 |
1:02.87 |
0.17 |
| 10 |
Devaney, Kaitlyn A (14)
|
MRLBA |
58.73 |
1:03.55 |
4.82 |
| 11 |
Ramon, Amy Y (15)
|
MRLBA |
1:00.27 |
1:03.92 |
3.65 |
| 12 |
McNamara, Jane (14)
|
MRBBSC |
1:04.96 |
1:04.05 |
-0.91 |
| 12 |
Diers, Rebecca A (17)
|
MRBBSC |
1:00.51 |
1:04.05 |
3.54 |
| 14 |
Curtin, Stella S (13)
|
MRLBA |
1:04.30 |
1:04.71 |
0.41 |
| 15 |
Bergin, Emily (14)
|
MRLBA |
1:08.00 |
1:05.66 |
-2.34 |
| 16 |
Greene, Emily M (14)
|
MRFA |
1:05.46 |
1:06.26 |
0.80 |
| 17 |
Mulieri, Kelsey (13)
|
MRWISC |
1:08.57 |
1:06.44 |
-2.13 |
| 18 |
Cassetta, Jamie L (17)
|
MRUN |
1:06.12 |
1:06.76 |
0.64 |
| 19 |
Iaccarino-Modni, Hanna R (13)
|
MRLBA |
1:04.19 |
1:07.16 |
2.97 |
| 20 |
Hain, Amanda R (15)
|
MRSSC |
1:12.50 |
1:17.30 |
4.80 |
| 21 |
Ji, Angela A (16)
|
MRSSC |
1:13.63 |
1:20.68 |
7.05 |
| 22 |
Baker, Avery H (13)
|
MRSSC |
1:28.00 |
1:22.04 |
-5.96 |