| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Young, Margie (7)
|
PVRMSC |
44.78 |
45.11 |
0.33 |
| 2 |
Srikittipraphas, Avalyn (7)
|
PVRMSC |
55.53 |
50.34 |
-5.19 |
| 3 |
Vera, Jubilee K (7)
|
PVFISH |
51.73 |
50.53 |
-1.20 |
| 4 |
Young, Anna L (7)
|
PVRMSC |
55.27 |
51.47 |
-3.80 |
| 5 |
Schwarten, Penelope A (7)
|
PVRMSC |
52.20 |
51.52 |
-0.68 |
| 6 |
Chu, Chloe Y (7)
|
PVASA |
53.54 |
52.09 |
-1.45 |
| 7 |
Zerbe, Mason E (7)
|
PVFISH |
58.29 |
52.13 |
-6.16 |
| 8 |
Seeto, Ellie W (7)
|
PVRMSC |
52.89 |
52.26 |
-0.63 |
| 9 |
Liu, Hailey J (7)
|
PVRMSC |
50.73 |
52.34 |
1.61 |
| 10 |
DeBacker, Emma J (7)
|
PVRMSC |
57.30 |
52.35 |
-4.95 |
| 11 |
Zhao, Meredith A (7)
|
PVMSSC |
52.44 |
54.59 |
2.15 |
| 12 |
Gilbert, Ava (7)
|
PVRMSC |
|
54.76 |
- |
| 13 |
Sparker, Calla R (7)
|
PVRMSC |
|
56.00 |
- |
| 14 |
Bizjak, Maya K (7)
|
PVRMSC |
56.18 |
56.86 |
0.68 |
| 15 |
Gustafson, Petra Oline O (7)
|
PVTOLL |
1:06.90 |
56.87 |
-10.03 |
| 16 |
Reilly, Katherine E (7)
|
PVRMSC |
|
57.90 |
- |
| 17 |
Kessous, Emelia S (7)
|
PVRMSC |
|
59.01 |
- |
| 18 |
Mohtashamian, Darya S (7)
|
PVFISH |
|
1:00.58 |
- |
| 19 |
Zhang, Claire Z (7)
|
PVFISH |
1:10.76 |
1:01.02 |
-9.74 |
| 20 |
Yi, Victoria J (7)
|
PVFISH |
1:14.17 |
1:03.10 |
-11.07 |
| 21 |
Shah, Juliet A (7)
|
PVRMSC |
1:03.64 |
1:03.59 |
-0.05 |
| 22 |
Le, Tuyet-Lan (7)
|
PVBWST |
1:03.55 |
1:08.63 |
5.08 |
|
Xu, Claire X (7)
|
PVRMSC |
|
DQ |
- |
|
Bricker, Alison J (7)
|
PVFISH |
1:01.40 |
DQ |
- |