| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kifer, Hannah (10)
|
MASCAY |
41.51 |
42.37 |
0.86 |
| 2 |
Bender, Marlayna (10)
|
CLFD |
52.04 |
47.04 |
-5.00 |
| 3 |
Delaney, Charlotte (9)
|
MASCAY |
50.83 |
48.42 |
-2.41 |
| 4 |
Boomer-Brazier, Maggie (10)
|
MASCAY |
49.33 |
48.74 |
-0.59 |
| 5 |
Wafula, Edna (10)
|
MASCAY |
51.28 |
51.26 |
-0.02 |
| 6 |
Knepp, Daisy (10)
|
CLFD |
48.64 |
51.35 |
2.71 |
| 7 |
Coble, Aubrey (9)
|
MASCAY |
49.23 |
51.53 |
2.30 |
| 8 |
Kifer, Helen (8)
|
MASCAY |
49.78 |
52.72 |
2.94 |
| 9 |
Merrow, Lilly (9)
|
CLFD |
1:00.45 |
56.96 |
-3.49 |
| 10 |
Campbell, Kaitlyn M (10)
|
MASCAY |
57.95 |
59.76 |
1.81 |
| 11 |
Congiu-Hughes, Chiara (9)
|
MASCAY |
1:05.22 |
1:04.34 |
-0.88 |
| 12 |
Swales, Elliot (10)
|
CLFD |
1:05.70 |
1:07.71 |
2.01 |
| 13 |
Komonczi, Ava (9)
|
CLFD |
1:19.78 |
1:15.17 |
-4.61 |
| 14 |
Kephart, Eislyn (9)
|
CLFD |
|
1:16.09 |
- |
| 15 |
Wilsoncroft, Kennedi (9)
|
CLFD |
1:26.27 |
1:25.88 |
-0.39 |
|
Owens, Hannah (9)
|
CLFD |
1:04.96 |
DQ |
- |