| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Johnston, Sabrina K (10)
|
MRBGNW |
1:11.05 |
1:08.93 |
-2.12 |
| 2 |
Jones, Lara (10)
|
MRAGUA |
1:11.82 |
1:10.14 |
-1.68 |
| 3 |
Wu, Madison (10)
|
MRAGUA |
1:11.74 |
1:10.27 |
-1.47 |
| 4 |
Mora-Castillo, Isabella (10)
|
MRBGNW |
1:13.43 |
1:10.30 |
-3.13 |
| 5 |
Feld, Emma F (10)
|
MRNYCC |
1:10.37 |
1:10.83 |
0.46 |
| 6 |
Peng, Natalie (10)
|
MRWEST |
1:12.56 |
1:11.24 |
-1.32 |
| 7 |
Basler, Alia R (10)
|
MRAGUA |
1:17.21 |
1:13.93 |
-3.28 |
| 8 |
Bastone, Alexandra A (10)
|
MRWEST |
1:15.89 |
1:13.98 |
-1.91 |
| 9 |
Zhu, Emma (10)
|
MRBGNW |
1:17.95 |
1:14.03 |
-3.92 |
| 10 |
McCaffrey, Kimberly E (10)
|
MRPATS |
1:16.68 |
1:14.97 |
-1.71 |
| 11 |
Schaepers-Cheu, Mayumi M (10)
|
MRAGUA |
1:17.12 |
1:15.50 |
-1.62 |
| 12 |
Clayton, Caelan (10)
|
MRHYB |
1:16.57 |
1:16.61 |
0.04 |
| 13 |
Torello-Viera, Martina S (10)
|
MRPAC |
1:17.35 |
1:16.80 |
-0.55 |
| 14 |
Palamaro, Daniella L (10)
|
MRTRS |
1:17.78 |
1:16.99 |
-0.79 |
| 15 |
Howley, Tess O (10)
|
MRLBA |
1:16.24 |
1:17.28 |
1.04 |
| 16 |
Pociask, Brooke A (10)
|
MRNDAC |
1:16.69 |
1:17.29 |
0.60 |
| 17 |
Pompay, Arabella F (10)
|
MRLIE |
1:15.32 |
1:17.49 |
2.17 |
| 18 |
Reyna, Salma (10)
|
MRYMID |
1:17.14 |
1:17.54 |
0.40 |
| 19 |
Vandermel, Jacklyn A (10)
|
MRCOND |
1:15.77 |
1:18.51 |
2.74 |
| 20 |
McKee, Yesenia A (10)
|
MRIA |
1:16.91 |
1:19.10 |
2.19 |
| 21 |
Phelan, Denise G (10)
|
MRTS |
1:17.97 |
1:19.13 |
1.16 |