| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tamura, Lily (8)
|
MRWEST |
43.51 |
42.30 |
-1.21 |
| 2 |
Jourdy, Rena R (8)
|
MRWEST |
42.83 |
42.88 |
0.05 |
| 3 |
Capuano, Carina (8)
|
MRCFJV |
44.20 |
43.66 |
-0.54 |
| 4 |
Frawley, Norah E (8)
|
MRCFJV |
49.57 |
44.65 |
-4.92 |
| 5 |
Perr, Abbie (8)
|
MRLGAC |
47.72 |
46.81 |
-0.91 |
| 6 |
Koh, Vivian A (8)
|
MRPAC |
46.34 |
47.07 |
0.73 |
| 7 |
Szukics, Nicole A (8)
|
MRPAC |
51.78 |
48.30 |
-3.48 |
| 8 |
Galimi, Grace K (8)
|
MRWEST |
50.70 |
52.01 |
1.31 |
| 9 |
Daniel, Abigail (7)
|
MRLIFE |
1:12.56 |
53.03 |
-19.53 |
| 10 |
Limbach, Clare E (8)
|
MRWEST |
55.42 |
54.14 |
-1.28 |
| 11 |
Cosetti, Alana E (8)
|
MRBGNW |
|
54.30 |
- |
| 12 |
Haggerty, Bridget R (8)
|
MRWEST |
|
54.96 |
- |
| 13 |
Andrade, Alyssa C (8)
|
MRLIFE |
1:30.62 |
55.52 |
-35.10 |
| 14 |
Kaplinski, Ola (8)
|
MRLIFE |
1:07.89 |
59.60 |
-8.29 |
| 15 |
Castellano, Valentina Y (8)
|
MRWEST |
|
1:07.66 |
- |
| 16 |
Velasquez, Ailyn (8)
|
MRWEST |
|
1:20.98 |
- |
| 17 |
Niven, Milena R (6)
|
MRWEST |
|
1:31.27 |
- |
| 18 |
Madonia, Siena (7)
|
MRLIFE |
|
1:34.17 |
- |
|
Bicic, Nia (8)
|
MRLGAC |
50.65 |
DQ |
- |
|
Mondido-Shelly, Stella G (6)
|
MRWEST |
|
DQ |
- |