| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herr, Emily A (11)
|
MRTVSC |
33.44 |
34.97 |
1.53 |
| 2 |
DeMarco, Marissa A (12)
|
MRTVSC |
37.46 |
35.09 |
-2.37 |
| 3 |
Demirci, Morgan (12)
|
MRHAA |
36.73 |
37.39 |
0.66 |
| 4 |
Woody, Lauren E (11)
|
MRTVSC |
38.80 |
39.24 |
0.44 |
| 5 |
Cano, Adriana (12)
|
MRCSDC |
41.02 |
40.01 |
-1.01 |
| 6 |
McDougall, Marissa R (12)
|
MRCSDC |
42.09 |
40.22 |
-1.87 |
| 7 |
Kranich-Schaefer, Amanda S (11)
|
MRTVSC |
43.47 |
42.97 |
-0.50 |
| 8 |
Wu, Michelle W (12)
|
MRTVSC |
49.36 |
44.26 |
-5.10 |
| 9 |
Sztorc, Natalie O (11)
|
MRTVSC |
53.76 |
44.90 |
-8.86 |
| 10 |
Higgins, Abaigeal E (11)
|
MRTVSC |
48.73 |
46.04 |
-2.69 |
| 11 |
Ramos, Dakota (12)
|
MRCSDC |
56.18 |
46.32 |
-9.86 |
| 12 |
Scarpinato, Nicolette R (11)
|
MRTVSC |
47.39 |
46.64 |
-0.75 |
| 13 |
Rose, Madeline I (12)
|
MRUN |
50.00 |
46.70 |
-3.30 |
| 14 |
Vezzi, Nicole M (12)
|
MRTS |
48.39 |
46.83 |
-1.56 |
| 15 |
Stampfel, Rebecca M (12)
|
MRCSDC |
47.23 |
46.90 |
-0.33 |
| 16 |
Nizza, Madeline L (11)
|
MRTS |
46.80 |
47.96 |
1.16 |
| 17 |
Buchen, Matilda V (11)
|
MRTVSC |
48.78 |
47.97 |
-0.81 |
| 18 |
Villa, Ciela I (11)
|
MRTS |
1:09.21 |
48.65 |
-20.56 |
| 19 |
Parnell, Fiona R (11)
|
MRTVSC |
50.34 |
48.70 |
-1.64 |
| 20 |
Furnell, Amelia (11)
|
MRTS |
50.12 |
49.73 |
-0.39 |
| 21 |
Brock, Daniela M (11)
|
MRFA |
49.76 |
49.91 |
0.15 |
| 22 |
Gamez, Olivia G (11)
|
MRTVSC |
|
50.53 |
- |
| 23 |
Eriskin, Nisa (11)
|
MRTS |
47.31 |
51.43 |
4.12 |
| 24 |
Daskalakis, Eleni (11)
|
MRLIE |
1:05.00 |
1:00.52 |
-4.48 |
|
Donnelly, Meghan R (11)
|
MRTVSC |
54.10 |
DQ |
- |
|
Syritsyna, Sophia (11)
|
MRTVSC |
|
DQ |
- |
|
Taranov, Vladislava (11)
|
MRHAA |
57.26 |
NS |
- |