| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Meredith I (9)
|
MRBGNW |
1:20.83 |
1:15.42 |
-5.41 |
| 2 |
Vitti, Kate L (9)
|
MRBGNW |
1:18.91 |
1:17.44 |
-1.47 |
| 3 |
Ketron, Emily A (9)
|
MRBGNW |
1:18.63 |
1:19.69 |
1.06 |
| 4 |
McGourty, Molly F (9)
|
MRBGNW |
1:22.70 |
1:22.93 |
0.23 |
| 5 |
White, Sienna R (10)
|
MRBGNW |
1:24.33 |
1:22.94 |
-1.39 |
| 6 |
Tuncoglu, Sophie (10)
|
MRBGNW |
1:22.83 |
1:23.41 |
0.58 |
| 7 |
Fagan, Paige C (10)
|
MRBGNW |
1:28.20 |
1:23.73 |
-4.47 |
| 8 |
Tassier, Katherine A (10)
|
MRBGNW |
1:27.49 |
1:28.37 |
0.88 |
| 9 |
Alexander, Leaila J (9)
|
MRBGNW |
1:29.55 |
1:29.20 |
-0.35 |
| 10 |
Hallac, Sophia R (9)
|
MRBGNW |
1:31.05 |
1:30.74 |
-0.31 |
| 11 |
Slocum, Ann T (9)
|
MRBGNW |
1:31.24 |
1:31.69 |
0.45 |
| 12 |
Bounds, Bae (10)
|
MRBGNW |
1:30.81 |
1:33.02 |
2.21 |
| 13 |
Chernishova, Maria E (10)
|
MRSHY |
1:17.00 |
1:35.11 |
18.11 |
| 14 |
Hulme, Holly S (9)
|
MRBGNW |
1:33.53 |
1:35.94 |
2.41 |
| 15 |
Hallac, Maya P (9)
|
MRBGNW |
1:38.46 |
1:42.79 |
4.33 |
| 16 |
Zhu, Alicia (9)
|
MRBGNW |
1:42.70 |
1:44.20 |
1.50 |
| 17 |
Beintrexler, Charlotte E (9)
|
MRYMID |
|
1:45.80 |
- |
| 18 |
King, Kayla S (9)
|
MRBGNW |
2:08.61 |
1:58.44 |
-10.17 |