| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jones, Abigayle J (15)
|
SRBY |
59.68 |
1:00.85 |
1.17 |
| 2 |
Stadler, Brianna L (15)
|
IELGSC |
59.95 |
1:01.19 |
1.24 |
| 3 |
Ruck, Caroline E (17)
|
SRBY |
1:00.43 |
1:02.63 |
2.20 |
| 4 |
Djunic, Helena (16)
|
UTUNCI |
1:06.59 |
1:03.71 |
-2.88 |
| 5 |
Owen, Kailey M (18)
|
SRBY |
1:00.64 |
1:05.29 |
4.65 |
| 6 |
Reames, Mercia G (16)
|
SRBSC |
1:28.40 |
1:06.65 |
-21.75 |
| 7 |
Pittard, Ansley M (15)
|
SRBY |
1:10.36 |
1:07.08 |
-3.28 |
| 8 |
Kovalscik, McKenzie F (16)
|
SRBY |
1:00.28 |
1:09.34 |
9.06 |
| 9 |
Lynch, Chloe E (15)
|
IELGSC |
1:11.77 |
1:09.70 |
-2.07 |
| 10 |
Kraus, Jessica P (16)
|
SRBY |
1:02.80 |
1:09.92 |
7.12 |
| 11 |
Dorland, Taylor (17)
|
SRUNAT |
1:09.10 |
1:12.03 |
2.93 |
| 12 |
Chauhan, Sia R (17)
|
SRBY |
1:05.15 |
1:12.11 |
6.96 |
| 13 |
Robison, Elizabeth R (16)
|
SRBY |
1:23.98 |
1:15.97 |
-8.01 |
| 14 |
Frost, Brinn R (15)
|
SRBY |
1:17.78 |
1:16.00 |
-1.78 |
| 15 |
Bouten, Aryana L (17)
|
IELGSC |
1:14.67 |
1:23.51 |
8.84 |
| 16 |
Thomson, Abigail C (16)
|
SRBSC |
1:21.19 |
1:25.54 |
4.35 |