| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lee, Jamie T (17)
|
MRBGNW |
56.27 |
1:01.41 |
5.14 |
| 2 |
Elms, Gaige L (17)
|
MRBGNW |
58.12 |
1:01.83 |
3.71 |
| 3 |
Shannon, Kayla (15)
|
MRGAEL |
58.76 |
1:02.93 |
4.17 |
| 4 |
Dalton, Ciara I (15)
|
MRBGNW |
1:01.57 |
1:04.44 |
2.87 |
| 5 |
Garces, Francesca L (15)
|
MRGAEL |
59.65 |
1:06.33 |
6.68 |
| 6 |
Townsend, Rachel A (16)
|
MRBGNW |
1:01.93 |
1:06.36 |
4.43 |
| 7 |
Redpath, Frances M (15)
|
MRBGNW |
1:07.83 |
1:06.74 |
-1.09 |
| 8 |
Ketron, Anna E (15)
|
MRBGNW |
1:03.28 |
1:07.29 |
4.01 |
| 9 |
McHugh, Amanda K (16)
|
MRBGNW |
1:00.09 |
1:07.34 |
7.25 |
| 10 |
Sanchez, Samantha M (15)
|
MRBGNW |
1:05.82 |
1:09.96 |
4.14 |
| 11 |
Garofolo, Juliette M (16)
|
MRBGNW |
1:11.51 |
1:10.85 |
-0.66 |
| 12 |
Zhu, Catherine (15)
|
MRBGNW |
1:12.58 |
1:11.29 |
-1.29 |
| 13 |
Beneat, Lauren E (16)
|
MRNYSA |
1:03.38 |
1:12.89 |
9.51 |
| 14 |
Modugno, Sabina T (15)
|
MRNYSA |
1:14.02 |
1:13.15 |
-0.87 |
| 15 |
Christensen, Marcella R (16)
|
MRNYSA |
1:12.17 |
1:17.15 |
4.98 |
| 16 |
Ford, Sydney E (15)
|
MRBGNW |
1:13.20 |
1:17.71 |
4.51 |
| 17 |
Washington, Michelle G (16)
|
MRBGNW |
1:16.62 |
1:18.34 |
1.72 |
| 18 |
Koestler, Aimee J (16)
|
MRBGNW |
1:20.61 |
1:24.69 |
4.08 |