| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
LePique, Maya F (15)
|
MRRED |
27.11 |
26.37 |
-0.74 |
| 1 |
Larson, Claire A (15)
|
MRLIE |
26.67 |
26.63 |
-0.04 |
| 2 |
Pan, Christina (16)
|
MRGATE |
26.95 |
26.72 |
-0.23 |
| 2 |
Cassella, Michaela L (17)
|
MRLIE |
27.79 |
28.38 |
0.59 |
| 3 |
Victory, Margaret M (16)
|
MRBAD |
26.78 |
26.78 |
0.00 |
| 3 |
Davis, Bella M (15)
|
MRLIE |
28.07 |
28.52 |
0.45 |
| 4 |
Henriksson, Ida (16)
|
MRBAD |
26.81 |
26.86 |
0.05 |
| 4 |
Cheung, Kate E (17)
|
MRFLY |
28.22 |
28.84 |
0.62 |
| 5 |
Zhao, Joanna J (15)
|
MRAPEX |
27.03 |
27.08 |
0.05 |
| 5 |
Yangchen, Tsering (15)
|
MRLGAC |
27.86 |
27.08 |
-0.78 |
| 7 |
Ng, Melanie (15)
|
MRNYCP |
27.08 |
27.18 |
0.10 |
| 8 |
Zhu, Angela (15)
|
MRQNS |
26.85 |
27.22 |
0.37 |
| 8 |
LI, Marguerite (15)
|
MRLIE |
27.26 |
27.22 |
-0.04 |
| 10 |
Reyna, Margaux (17)
|
MRWEST |
27.04 |
27.25 |
0.21 |
| 11 |
Cordova, Cara E (15)
|
MRCIY |
27.50 |
27.41 |
-0.09 |
| 12 |
Lau, Anabelle (15)
|
MRQNS |
26.73 |
27.42 |
0.69 |
| 13 |
Zhou, Katherine (15)
|
MRAPEX |
27.43 |
27.49 |
0.06 |
| 14 |
Ritziu, Andrea (17)
|
MRRIST |
27.56 |
27.51 |
-0.05 |
| 15 |
O'Connell, Maggie S (15)
|
MRLIE |
27.77 |
27.59 |
-0.18 |
| 16 |
Forrest, Jasmine (15)
|
MRSWAG |
27.50 |
27.63 |
0.13 |
| 17 |
Rankin, Sydney (17)
|
MRLIE |
28.09 |
27.74 |
-0.35 |
| 18 |
Chea, Rory (15)
|
MRNYCP |
27.25 |
27.79 |
0.54 |
| 19 |
Contreras, Genesis C (15)
|
MRYFD |
28.02 |
27.87 |
-0.15 |
| 20 |
Feigenbaum, Emily B (16)
|
MRLIE |
27.31 |
27.91 |
0.60 |
| 21 |
Campbell, Sarah B (16)
|
MRLIE |
28.10 |
27.93 |
-0.17 |
| 22 |
Gregoire, Chloe L (16)
|
MRLGAC |
28.15 |
28.14 |
-0.01 |
| 22 |
Nieves, Talitha L (18)
|
MRSWAG |
27.49 |
28.14 |
0.65 |