| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Weng, Ula (12)
|
MRTVSC |
1:09.66 |
1:08.34 |
-1.32 |
| 1 |
Rizzo, Heidi A (12)
|
MREHY |
1:10.34 |
1:08.60 |
-1.74 |
| 2 |
Lee, Summer D (12)
|
MRLIAC |
1:12.12 |
1:09.19 |
-2.93 |
| 2 |
Bevilacqua, Lillian C (12)
|
MRFA |
1:17.37 |
1:20.14 |
2.77 |
| 3 |
Lowery, Doris M (12)
|
MRLIAC |
1:09.99 |
1:09.36 |
-0.63 |
| 3 |
Gervase, Isabella (12)
|
MRHYB |
1:17.57 |
1:24.08 |
6.51 |
| 4 |
Augustin, Jaclyn E (12)
|
MRFA |
1:11.30 |
1:09.46 |
-1.84 |
| 5 |
O'Brien, Katherine S (12)
|
MRLIAC |
1:10.45 |
1:09.53 |
-0.92 |
| 6 |
Wang, Emily (12)
|
MRLIAC |
1:09.90 |
1:09.76 |
-0.14 |
| 7 |
Fuccillo, Ella R (12)
|
MRWISC |
1:10.12 |
1:10.46 |
0.34 |
| 8 |
Bud, Ellie S (12)
|
MRLIAC |
1:10.45 |
1:11.20 |
0.75 |
| 9 |
Ware, Aurora N (12)
|
MRLIAC |
1:13.34 |
1:11.48 |
-1.86 |
| 10 |
Pennant, Chloe G (12)
|
MRLIAC |
1:14.45 |
1:12.16 |
-2.29 |
| 11 |
Bailey, Catherine J (12)
|
MRTVSC |
1:15.85 |
1:14.29 |
-1.56 |
| 12 |
Qian, Amy (12)
|
MRLIAC |
1:15.71 |
1:14.81 |
-0.90 |
| 13 |
Milazzo, Mia (12)
|
MREHY |
1:15.43 |
1:14.94 |
-0.49 |
| 14 |
Setiadi, Maya N (12)
|
MRLIAC |
1:18.12 |
1:15.27 |
-2.85 |
| 15 |
Brzac, Ariana (12)
|
MRTS |
1:17.84 |
1:15.43 |
-2.41 |
| 16 |
Wang, Karen (12)
|
MRLIAC |
1:15.35 |
1:16.32 |
0.97 |
| 17 |
John, Leah M (12)
|
MRSSC |
1:16.96 |
1:16.83 |
-0.13 |
| 18 |
Reed, Lauren (12)
|
MRHYB |
1:18.09 |
1:17.04 |
-1.05 |
| 19 |
Tian, Maxine (12)
|
MRLIAC |
1:17.26 |
1:17.63 |
0.37 |
| 20 |
Hagan, Audrey E (12)
|
MRSSC |
1:18.96 |
1:17.73 |
-1.23 |
| 21 |
Dorgan, Addelyn (12)
|
MRCSDC |
1:17.35 |
1:17.92 |
0.57 |