| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Salonen, Amber (15)
|
NIUN-G |
1:13.59 |
1:18.12 |
4.53 |
| 2 |
Obuhanych, Olivia J (16)
|
NISDSC |
1:18.70 |
1:20.01 |
1.31 |
| 3 |
Werges, Lillian F (13)
|
NIVICT |
1:24.75 |
1:24.60 |
-0.15 |
| 4 |
Bonfiglio, Sara F (16)
|
NIGRSC |
1:31.52 |
1:32.74 |
1.22 |
| 5 |
Rees, Hannah E (13)
|
NIGRSC |
1:30.31 |
1:34.51 |
4.20 |
| 6 |
Quigley, Brienne K (13)
|
NIGRSC |
1:46.23 |
1:38.02 |
-8.21 |
| 7 |
Nhalay, Sydney (15)
|
NIRRST |
1:44.12 |
1:41.63 |
-2.49 |
| 8 |
Tornow, Emilee N (15)
|
NISDSC |
1:51.26 |
1:42.53 |
-8.73 |
| 9 |
Selioutski, Leeva A (13)
|
NISDSC |
1:49.64 |
1:47.48 |
-2.16 |
| 10 |
Chambers, TeKiyah L (13)
|
NIRRST |
|
1:55.05 |
- |
|
Brown-Tonge, Mansa (13)
|
NIRRST |
|
NS |
- |
|
Harris, Saiya'Kaede Z (13)
|
NIRRST |
|
NS |
- |