| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nolde, Anna E (10)
|
VACA-Y |
34.77 |
36.08 |
1.31 |
| 2 |
Betsworth, Emory J (10)
|
VACA-Y |
37.58 |
37.65 |
0.07 |
| 3 |
Rutherford, Harper A (10)
|
VACA-Y |
39.82 |
40.35 |
0.53 |
| 4 |
Loper, Lucy L (10)
|
VALAC |
|
41.00 |
- |
| 5 |
Phillips, Virginia C (10)
|
VALAC |
49.01 |
42.83 |
-6.18 |
| 6 |
Dolan, Karleigh (9)
|
VALAC |
|
49.78 |
- |
| 7 |
Kistler, Clara L (9)
|
VACA-Y |
49.51 |
50.26 |
0.75 |
| 8 |
Milam, Josephine G (9)
|
VALAC |
|
50.40 |
- |
| 9 |
Cooper, Rory A (9)
|
VACA-Y |
1:06.28 |
1:04.30 |
-1.98 |
| 10 |
Milam, Elizabeth L (9)
|
VALAC |
|
1:09.75 |
- |
| 11 |
Tuerk, Ella T (9)
|
VACA-Y |
1:08.96 |
1:16.89 |
7.93 |
|
Britt, Sarah K (9)
|
VACA-Y |
1:07.08 |
DQ |
- |
|
Dodge, Adalynn J (10)
|
VACA-Y |
1:08.84 |
DQ |
- |
|
Tuerk, Ava M (9)
|
VACA-Y |
1:00.00 |
DQ |
- |
|
McDermott, Linden O (10)
|
VACA-Y |
53.62 |
NS |
- |