| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Emmerich, Peyton M (8)
|
MRTVSC |
50.48 |
49.74 |
-0.74 |
| 2 |
Vargas, Izabella C (8)
|
MRTVSC |
53.14 |
51.11 |
-2.03 |
| 3 |
Duong, Allison E (8)
|
MRTVSC |
55.27 |
52.34 |
-2.93 |
| 4 |
Schaentzler, Kennedy N (8)
|
MRTVSC |
1:05.51 |
58.30 |
-7.21 |
| 5 |
Brzac, Claudia E (7)
|
MRTS |
1:02.85 |
58.96 |
-3.89 |
| 6 |
Keillor, Virginia A (8)
|
MRTVSC |
55.92 |
1:02.12 |
6.20 |
| 7 |
Baik, Mina T (8)
|
MRTVSC |
1:15.00 |
1:10.75 |
-4.25 |
| 8 |
Zhao, Lena R (8)
|
MRTVSC |
1:20.00 |
1:13.59 |
-6.41 |
| 9 |
Wood, Summer L (8)
|
MRSSC |
1:13.59 |
1:17.42 |
3.83 |
| 10 |
Rasavongseuk, Katelyn (6)
|
MRTS |
1:11.73 |
1:20.39 |
8.66 |
|
Blaber, Madeleine A (8)
|
MRTVSC |
55.00 |
DQ |
- |
|
Crennan, Payton J (8)
|
MRSSC |
52.30 |
NS |
- |