| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kuang, Gloria J (9)
|
PVDRAG |
1:22.54 |
1:12.82 |
-9.72 |
| 2 |
Li, Julia Z (9)
|
PVDRAG |
1:24.28 |
1:21.28 |
-3.00 |
| 3 |
Levine, Lauren F (9)
|
PVASA |
1:23.51 |
1:22.28 |
-1.23 |
| 4 |
Baterdene, Yalguun (10)
|
PVAAC |
1:30.10 |
1:23.11 |
-6.99 |
| 5 |
Young, Klara M (10)
|
PVASA |
1:24.63 |
1:24.43 |
-0.20 |
| 6 |
House, Cameron J (10)
|
PVASA |
1:26.81 |
1:24.66 |
-2.15 |
| 7 |
McAndrew, Jamison R (10)
|
PVAAC |
1:24.03 |
1:25.10 |
1.07 |
| 8 |
Ballantine, Harriet D (10)
|
PVPM |
1:28.24 |
1:25.36 |
-2.88 |
| 9 |
Palomino, Isabela M (10)
|
PVPM |
1:27.24 |
1:25.56 |
-1.68 |
| 10 |
Stelling, Cerhys T (10)
|
PVASA |
1:33.05 |
1:27.99 |
-5.06 |
| 11 |
Nadon-Ortega, Alyson J (10)
|
PVJFD |
1:28.96 |
1:28.62 |
-0.34 |
| 12 |
Skoug, Charlotte K (10)
|
PVPM |
1:33.76 |
1:30.27 |
-3.49 |
| 13 |
He, Emma C (9)
|
PVPM |
1:31.46 |
1:30.90 |
-0.56 |
| 14 |
Mitchum, Anna M (9)
|
PVASA |
1:28.35 |
1:32.38 |
4.03 |
| 15 |
Burgeson, Olivia E (9)
|
PVAAC |
1:33.81 |
1:33.01 |
-0.80 |
| 16 |
Bellerjeau, Schuyler A (9)
|
PVASA |
1:35.74 |
1:33.95 |
-1.79 |
| 17 |
Bortnick, Naomi M (10)
|
PVASA |
1:35.20 |
1:34.65 |
-0.55 |
| 18 |
de Souza, Jordan C (10)
|
PVASA |
1:32.83 |
1:35.57 |
2.74 |
|
Ludke, Katherine A (9)
|
PVPM |
1:32.43 |
DQ |
- |