| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McSwieney, Gabriela E (15)
|
ADSCHE |
59.40 |
59.71 |
0.31 |
| 2 |
Tristan, Mathilda A (16)
|
ADUN |
58.45 |
1:00.83 |
2.38 |
| 3 |
Casper, Josefina R (15)
|
ADSCHE |
1:04.56 |
1:01.36 |
-3.20 |
| 4 |
Keddy, Kayla N (17)
|
ADGRGF |
58.99 |
1:01.45 |
2.46 |
| 5 |
Frazier, Emilia A (16)
|
ADSCHE |
1:00.22 |
1:01.97 |
1.75 |
| 6 |
Amedio, Isabella G (17)
|
ADSCHE |
59.79 |
1:02.45 |
2.66 |
| 7 |
Phelps, Megan K (16)
|
ADBSPA |
1:00.90 |
1:02.79 |
1.89 |
| 8 |
Gillan, Elaine M (15)
|
ADUN |
1:02.34 |
1:02.89 |
0.55 |
| 9 |
Swan-Scott, Willow S (17)
|
ADGLFY |
1:02.35 |
1:04.47 |
2.12 |
| 10 |
Asciutto, Sarah E (17)
|
ADBENN |
1:01.20 |
1:04.67 |
3.47 |
| 11 |
LaRow, Julia C (15)
|
ADSCHE |
1:01.41 |
1:06.03 |
4.62 |
| 12 |
Mazza, Jenna L (15)
|
ADCLIN |
1:01.90 |
1:06.04 |
4.14 |
| 13 |
Felix, Morgan A (15)
|
ADSCHE |
1:04.56 |
1:06.44 |
1.88 |
| 14 |
Atteck, Isabella H (15)
|
ADDELM |
1:06.88 |
1:06.49 |
-0.39 |
| 15 |
Phelps, Sara M (16)
|
ADBSPA |
1:05.38 |
1:07.25 |
1.87 |
| 16 |
Zampier, Greta G (15)
|
ADUSAM |
1:05.12 |
1:09.23 |
4.11 |
| 17 |
Seiz, Hannah J (15)
|
ADSCHE |
1:05.91 |
1:10.89 |
4.98 |
| 18 |
Schwarz-Eise, Sophie F (15)
|
ADUSAM |
1:11.98 |
1:12.19 |
0.21 |
| 19 |
Ormsby, Lela L (17)
|
ADBSPA |
1:11.52 |
1:15.74 |
4.22 |
|
Hawthorne, Julia E (17)
|
ADSARY |
56.52 |
NS |
- |
|
Miller, Alexandria M (16)
|
ADBSPA |
1:05.72 |
NS |
- |