| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bakelaar, Katherine J (11)
|
NCYOTA |
1:19.17 |
1:15.15 |
-4.02 |
| 2 |
Tirumanadham, Indira (12)
|
NCYOTA |
1:14.91 |
1:15.87 |
0.96 |
| 3 |
Organ, Macy H (11)
|
NCYOTA |
1:43.69 |
1:23.20 |
-20.49 |
| 4 |
Speerschneider, Ella G (11)
|
NCYOTA |
1:23.70 |
1:23.38 |
-0.32 |
| 5 |
Soroka, Emmery B (12)
|
NCYOTA |
1:33.85 |
1:25.76 |
-8.09 |
| 6 |
Robertson, Isla E (12)
|
NCYOTA |
1:35.13 |
1:27.56 |
-7.57 |
| 7 |
Cain, Amelia S (11)
|
NCPAST |
1:27.39 |
1:28.67 |
1.28 |
| 8 |
Skelly, Marilyn S (11)
|
NCYOTA |
1:29.57 |
1:29.31 |
-0.26 |
| 9 |
Crowder, Audrey E (11)
|
NCYOTA |
1:34.98 |
1:33.75 |
-1.23 |
| 10 |
Hilliard, Darwin E (11)
|
NCYOTA |
|
1:34.54 |
- |
| 11 |
Chaparro, Danna L (11)
|
NCYOTA |
1:45.41 |
1:35.70 |
-9.71 |
| 12 |
Overholt, Sophia A (12)
|
NCYOTA |
1:31.14 |
1:40.66 |
9.52 |
|
Schmidt, Elizabeth J (11)
|
NCYOTA |
|
DQ |
- |