| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pompay, Arabella F (11)
|
MRLIE |
34.16 |
33.33 |
-0.83 |
| 2 |
Thoms, Julia D (12)
|
MRLIE |
37.09 |
36.11 |
-0.98 |
| 3 |
Hou, Isabelle (12)
|
MRLIE |
39.33 |
36.14 |
-3.19 |
| 3 |
O'Connell, Siobhan B (11)
|
MRLIE |
36.48 |
36.14 |
-0.34 |
| 5 |
Fazzino, Angelina M (12)
|
MRLIE |
38.11 |
38.81 |
0.70 |
| 6 |
Filagrossi, Isabella (12)
|
MRLIE |
|
42.18 |
- |
| 7 |
Ferrick, Maggie R (12)
|
MRLIE |
45.13 |
42.21 |
-2.92 |
| 8 |
Nothnagle, Alexa G (11)
|
MRLIE |
47.09 |
44.90 |
-2.19 |
| 9 |
Schultz, Sarah J (12)
|
MRLIE |
|
47.25 |
- |
| 10 |
Butler, Shannon E (11)
|
MRLIE |
49.50 |
48.65 |
-0.85 |
| 11 |
Seibold, Morgan S (11)
|
MRLIE |
|
49.10 |
- |
| 12 |
Vlogianitis, Nefeli (12)
|
MRLIE |
|
49.54 |
- |
| 13 |
Fuoco, Kaitlyn E (11)
|
MRLIE |
|
52.50 |
- |
| 14 |
Johnson, Zara C (11)
|
MRLIE |
|
58.41 |
- |