| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tirch, Doriana R (11)
|
MRHVD |
29.03 |
28.15 |
-0.88 |
| 1 |
Skerritt, Katherine C (11)
|
MRHVD |
30.22 |
29.12 |
-1.10 |
| 2 |
Gash, Alexandra M (11)
|
MRPATS |
29.38 |
29.17 |
-0.21 |
| 3 |
Giannini, Alanah M (11)
|
MRPBAC |
30.27 |
29.45 |
-0.82 |
| 4 |
Ramoino, Sophia P (11)
|
MRRA |
30.57 |
29.53 |
-1.04 |
| 5 |
Gregersen, Leah (11)
|
MRRA |
30.98 |
29.77 |
-1.21 |
| 6 |
Prior, Kate E (11)
|
MRDVWM |
30.07 |
30.00 |
-0.07 |
| 7 |
Wieczorek, Caitlynn M (11)
|
MRPBAC |
30.70 |
30.10 |
-0.60 |
| 8 |
McGourty, Megan R (11)
|
MRBGNW |
30.75 |
30.15 |
-0.60 |
| 8 |
Finnegan, Eleanor K (11)
|
MRCOND |
30.50 |
30.15 |
-0.35 |
| 8 |
Masters, Katherine L (11)
|
MREAST |
29.53 |
30.15 |
0.62 |
| 11 |
Cefaloni, Gabriella J (11)
|
MRAGMV |
30.32 |
30.31 |
-0.01 |
| 12 |
Martinez, Renata A (11)
|
MRPATS |
30.78 |
30.50 |
-0.28 |
| 13 |
Garretson, Phoebe N (11)
|
MRPAC |
30.99 |
30.54 |
-0.45 |
| 14 |
Paskowitz, Kathleen S (11)
|
MRSMC |
30.72 |
30.62 |
-0.10 |
| 15 |
Mack, Skylar R (11)
|
MRPATS |
30.49 |
30.83 |
0.34 |
| 16 |
Moore, Cora M (11)
|
MRSMC |
30.76 |
30.86 |
0.10 |