| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chon, Corinne N (8)
|
PVYORK |
45.07 |
42.56 |
-2.51 |
| 2 |
Winston, Sarah H (8)
|
PVMACH |
45.64 |
43.37 |
-2.27 |
| 3 |
Strickland, Virginia B (8)
|
PVPM |
45.99 |
46.24 |
0.25 |
| 4 |
Coughlin, Meghan E (8)
|
PVMACH |
52.80 |
47.80 |
-5.00 |
| 5 |
Gaines, Laila K (8)
|
PVPM |
54.06 |
47.97 |
-6.09 |
| 6 |
Hazelwood, Lindley A (8)
|
PVPM |
48.02 |
48.02 |
0.00 |
| 7 |
Mencia, Myla M (8)
|
PVYORK |
|
48.32 |
- |
| 8 |
Robb, Eleanor (7)
|
PVPM |
51.83 |
48.48 |
-3.35 |
| 9 |
Cushman, McKinley L (8)
|
PVPM |
|
48.56 |
- |
| 10 |
Fitzgerald, Tennyson E (8)
|
PVPM |
49.49 |
48.90 |
-0.59 |
| 11 |
Schang, Madison S (8)
|
PVPM |
49.34 |
49.84 |
0.50 |
| 12 |
Beelaert, Anna C (8)
|
PVPM |
|
50.65 |
- |
| 13 |
Bui, Emma T (7)
|
PVMACH |
54.36 |
52.21 |
-2.15 |
| 14 |
Gruendel, Petra A (7)
|
PVMAKO |
|
53.56 |
- |
| 15 |
Rath, Harper A (8)
|
PVYORK |
|
53.73 |
- |
| 16 |
Evans, Petra J (8)
|
PVPM |
56.62 |
54.46 |
-2.16 |
| 17 |
Harthausen, Minji V (8)
|
PVPM |
56.38 |
54.71 |
-1.67 |
| 18 |
Ganz, Ava A (8)
|
PVYORK |
1:08.99 |
1:03.10 |
-5.89 |
| 19 |
Perakam, Priya (7)
|
PVPM |
1:06.97 |
1:04.00 |
-2.97 |
| 20 |
Almeida, Veronica (7)
|
PVPM |
1:15.06 |
1:10.11 |
-4.95 |
| 21 |
Burke, Georgia C (8)
|
PVPM |
|
1:10.76 |
- |
| 22 |
Almeida, Sylvia (8)
|
PVPM |
1:27.89 |
1:16.90 |
-10.99 |
|
Das, Arushi (8)
|
PVPM |
1:08.34 |
NS |
- |
|
Benisch, Ela R (8)
|
PVYORK |
50.71 |
NS |
- |