| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
David, Lilianna (8)
|
LOCK |
19.35 |
18.23 |
-1.12 |
| 2 |
Wilke, Mila E (8)
|
NIGRAY |
20.18 |
18.58 |
-1.60 |
| 3 |
Baker, Ava (6)
|
LOCK |
19.67 |
19.63 |
-0.04 |
| 4 |
Gonzalo Marin, Caridad (8)
|
NIGRAY |
20.87 |
21.07 |
0.20 |
| 5 |
Dobretsova, Alexandra (7)
|
NIGRAY |
24.59 |
21.14 |
-3.45 |
| 6 |
Musa, Sara (8)
|
NIGRAY |
21.91 |
21.32 |
-0.59 |
| 7 |
Zugelder, Reagan (7)
|
LOCK |
23.54 |
21.35 |
-2.19 |
| 8 |
Paddock, Madeline M (8)
|
NIGRAY |
20.43 |
21.94 |
1.51 |
| 9 |
Musa, Lisa (8)
|
NIGRAY |
23.43 |
22.99 |
-0.44 |
| 10 |
VanDusen, Aurora (7)
|
LOCK |
29.50 |
25.28 |
-4.22 |
| 11 |
Voorheis, Lillian S (7)
|
NIGRAY |
28.42 |
25.35 |
-3.07 |
| 12 |
Teeters, Kennedy C (7)
|
NIGRAY |
27.71 |
27.38 |
-0.33 |
| 13 |
Enderton, Lillian (6)
|
LOCK |
27.31 |
27.84 |
0.53 |
| 14 |
English, Kate (7)
|
LOCK |
|
30.31 |
- |