| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Russell, Piper Y (10)
|
PVASA |
46.22 |
46.59 |
0.37 |
| 2 |
Mignone-Sankoorikal, Mariell (10)
|
PVASA |
46.61 |
47.70 |
1.09 |
| 3 |
Hemmi, Hiyori (9)
|
PVASA |
48.71 |
51.59 |
2.88 |
| 4 |
Driscoll, Mairead M (9)
|
PVASA |
51.27 |
51.78 |
0.51 |
| 5 |
Johnson, Lauren E (9)
|
PVBWST |
52.73 |
51.94 |
-0.79 |
| 6 |
Hansel, Lila M (10)
|
PVASA |
50.05 |
52.84 |
2.79 |
| 7 |
Hooff, Camilla L (10)
|
PVSTJS |
54.76 |
54.53 |
-0.23 |
| 8 |
Corcoran, Helen A (9)
|
PVASA |
55.87 |
55.85 |
-0.02 |
| 9 |
Spaisman, Sydney J (9)
|
PVASA |
53.44 |
56.06 |
2.62 |
| 10 |
Wolford, Lily H (10)
|
PVPM |
56.10 |
58.68 |
2.58 |
| 11 |
McGuire, Mae E (9)
|
PVASA |
54.26 |
59.49 |
5.23 |
| 12 |
Verasin, Tasanee T (9)
|
PVSTJS |
1:02.39 |
1:00.79 |
-1.60 |
| 13 |
Rabah, Lara Z (9)
|
PVASA |
56.07 |
1:01.18 |
5.11 |
| 14 |
Fistere, Elizabeth R (10)
|
PVPM |
1:00.70 |
1:03.77 |
3.07 |
| 15 |
Long, Kendall B (9)
|
PVPM |
1:04.39 |
1:03.99 |
-0.40 |
| 16 |
Leask, Mache B (10)
|
PVHACC |
1:02.47 |
1:04.61 |
2.14 |
| 17 |
Segura, Norah W (9)
|
PVASA |
1:05.94 |
1:05.05 |
-0.89 |
| 18 |
Guerry, Siena R (9)
|
PVASA |
1:04.05 |
1:07.44 |
3.39 |
| 19 |
Deal, Eudora E (9)
|
PVASA |
1:04.85 |
1:09.12 |
4.27 |
| 20 |
Moretz, Courtney K (9)
|
PVSTJS |
|
1:09.56 |
- |
| 21 |
Tracey, Elizabeth G (9)
|
PVSTJS |
1:16.70 |
1:14.46 |
-2.24 |
| 22 |
Schmitz, Clara (9)
|
PVHACC |
1:21.97 |
1:15.83 |
-6.14 |
| 23 |
Flores, Dany R (9)
|
PVSTJS |
1:16.16 |
1:17.38 |
1.22 |
| 24 |
Allen, Caris A (10)
|
PVHACC |
1:19.85 |
1:19.49 |
-0.36 |
|
Mullen, Stella K (9)
|
PVNCAP |
55.11 |
NS |
- |
|
Gharakhanian, Stella L (10)
|
PVNCAP |
56.19 |
NS |
- |