| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Holland, Ella (12)
|
MRMCBY |
34.65 |
31.79 |
-2.86 |
| 1 |
Cheung, Emma (11)
|
MRHS |
38.43 |
36.07 |
-2.36 |
| 2 |
Ramsey, Kayla (12)
|
MRHS |
38.03 |
34.49 |
-3.54 |
| 2 |
Wozniak, Caroline (11)
|
MRLIFE |
35.42 |
36.33 |
0.91 |
| 3 |
Maidana-Pereira, Eva M (12)
|
MRHS |
35.48 |
37.03 |
1.55 |
| 4 |
Wozniak, Natalie (11)
|
MRLIFE |
38.25 |
37.22 |
-1.03 |
| 5 |
Modeste, London (12)
|
MRHES |
36.68 |
37.27 |
0.59 |
| 6 |
Walsh, Alina (12)
|
MRAPEX |
39.64 |
37.68 |
-1.96 |
| 7 |
Thompson, Maya N (12)
|
MRBKR |
39.68 |
37.76 |
-1.92 |
| 8 |
Liao, Haley (12)
|
MRHS |
40.31 |
38.42 |
-1.89 |
| 9 |
Brown, Laila (12)
|
MRNFS |
40.94 |
38.86 |
-2.08 |
| 10 |
Blades, Illiana (11)
|
MRMAKO |
38.05 |
38.98 |
0.93 |
| 11 |
Lama, Choedon J (12)
|
MRUN |
39.65 |
39.14 |
-0.51 |
| 12 |
Kazmierczak, Emma S (12)
|
MRHS |
39.93 |
39.36 |
-0.57 |
| 13 |
Fodor, Klaudia L (11)
|
MRUN |
39.19 |
39.64 |
0.45 |
| 14 |
Kong, Maya A (11)
|
MRHS |
42.72 |
40.13 |
-2.59 |
| 15 |
Battas, Chloe (12)
|
MRMCBY |
44.47 |
40.17 |
-4.30 |
| 16 |
Kamdang, Leila (11)
|
MRMAKO |
40.76 |
40.27 |
-0.49 |
| 17 |
Riggs, Evelyn (11)
|
MRMAKO |
41.37 |
40.99 |
-0.38 |
| 18 |
Tan, Anastasia (11)
|
MRCAS |
47.16 |
41.25 |
-5.91 |
| 19 |
Lu, Lauren (11)
|
MRHS |
46.98 |
41.77 |
-5.21 |
| 20 |
Passos, Camila (12)
|
MRRED |
49.30 |
42.12 |
-7.18 |
| 21 |
Bailey, Rheinai (12)
|
MRNFS |
44.41 |
42.71 |
-1.70 |
| 22 |
Rapley, Lucia (11)
|
MRRED |
44.47 |
43.66 |
-0.81 |
| 23 |
Ruiter, Sterling (11)
|
MRRED |
51.67 |
46.45 |
-5.22 |
| 24 |
Knudsen, Grace E (11)
|
MRFREE |
46.70 |
47.92 |
1.22 |
| 25 |
McElhatton, Ailish B (11)
|
MRCOND |
53.29 |
50.96 |
-2.33 |
| 26 |
Subero, Eden S (11)
|
MRKBM |
53.48 |
53.00 |
-0.48 |
| 27 |
Rashkova, Veronica (11)
|
MRRED |
59.41 |
57.68 |
-1.73 |
|
Bagwell, Rosie (11)
|
MRLIFE |
47.55 |
DQ |
- |
|
Crawford, Zara J (12)
|
MRCOND |
50.50 |
NS |
- |
|
Pinkhasov, Michella (11)
|
MRCENT |
45.64 |
NS |
- |
|
Vazquez, Kimberly (12)
|
MRAPEX |
41.40 |
NS |
- |