| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Phillips, Rowena B (11)
|
VALY |
29.58 |
27.90 |
-1.68 |
| 2 |
Muminovic, Anya S (12)
|
VALY |
29.73 |
28.75 |
-0.98 |
| 3 |
Kovarik, Katherine A (12)
|
VALY |
29.19 |
29.68 |
0.49 |
| 4 |
Shopbell, Ava M (11)
|
VALY |
31.27 |
31.42 |
0.15 |
| 5 |
Warren, Sarah J (11)
|
VALY |
32.09 |
31.81 |
-0.28 |
| 6 |
Judy, Olivia C (11)
|
VALY |
31.30 |
32.30 |
1.00 |
| 7 |
Prater, Emma L (11)
|
VALY |
37.90 |
33.14 |
-4.76 |
| 8 |
Holt, Ann-Margaret E (11)
|
VALY |
34.07 |
33.80 |
-0.27 |
| 9 |
Cooper, Emma S (11)
|
VALY |
32.98 |
33.93 |
0.95 |
| 10 |
Miller, Blythe E (12)
|
VALY |
37.08 |
34.10 |
-2.98 |
| 11 |
Mejia-Ibarra, Sofia (12)
|
VALY |
40.12 |
35.67 |
-4.45 |
| 12 |
Gustafson, Zelynn C (11)
|
VALY |
38.40 |
35.96 |
-2.44 |