| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mossey, Rayna M (12)
|
MRTVSC |
28.08 |
27.46 |
-0.62 |
| 1 |
Cronin, Emma (12)
|
MRHAA |
28.13 |
28.74 |
0.61 |
| 2 |
Siegel, Alexandra R (12)
|
MRLIAC |
27.95 |
27.67 |
-0.28 |
| 2 |
Marotta, Antonia K (12)
|
MRHAA |
28.88 |
28.82 |
-0.06 |
| 3 |
Hsieh, Amelia (12)
|
MRLIAC |
29.17 |
28.99 |
-0.18 |
| 3 |
Rooney, Frances I (12)
|
MRLIAC |
30.39 |
31.40 |
1.01 |
| 4 |
Nguyen, Chloe T (12)
|
MRSSC |
28.27 |
29.03 |
0.76 |
| 4 |
Kim, Ashley (12)
|
MRTS |
30.84 |
31.64 |
0.80 |
| 5 |
Reilly, Lily (12)
|
MRHYB |
29.89 |
29.05 |
-0.84 |
| 6 |
Ko, Kamila H (12)
|
MRLIAC |
28.60 |
29.14 |
0.54 |
| 7 |
Rizzo, Vanessa R (12)
|
MREHY |
29.32 |
29.32 |
0.00 |
| 8 |
Kelly, Meghan N (12)
|
MRFA |
29.76 |
29.34 |
-0.42 |
| 9 |
Trobiano, Nicolette P (12)
|
MRFA |
28.82 |
29.55 |
0.73 |
| 10 |
Cunniffe, Josephine E (12)
|
MRIA |
29.33 |
29.56 |
0.23 |
| 11 |
Park, Esther Y (12)
|
MRTS |
28.97 |
29.65 |
0.68 |
| 12 |
Kuo, Leila Y (12)
|
MRLIAC |
29.34 |
29.75 |
0.41 |
| 12 |
Xu, Sarah Y (12)
|
MRTVSC |
30.44 |
29.75 |
-0.69 |
| 14 |
Wu, Georgia M (12)
|
MRLIAC |
29.43 |
29.79 |
0.36 |
| 15 |
Rose-Freaney, Cailyn G (12)
|
MRSSC |
30.31 |
29.80 |
-0.51 |
| 16 |
Solimeno, Emma (12)
|
MRTS |
30.70 |
29.95 |
-0.75 |
| 17 |
Reda, Isabella M (12)
|
MRLIAC |
30.45 |
29.98 |
-0.47 |
| 18 |
Weiss, Alexis M (12)
|
MRTS |
29.35 |
30.08 |
0.73 |
| 19 |
Baynon, Lily M (12)
|
MRFA |
30.17 |
30.20 |
0.03 |
| 20 |
King, Katherine (12)
|
MRHAA |
29.91 |
30.47 |
0.56 |
| 21 |
Rochford, Juliana G (12)
|
MRIA |
29.81 |
30.62 |
0.81 |
| 22 |
Hartwig, Gabriella N (12)
|
MRLIAC |
30.35 |
30.67 |
0.32 |
| 23 |
Wallace, Evangeline R (12)
|
MRSSC |
30.24 |
30.94 |
0.70 |