| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yao, Katherine S (15)
|
NTDM |
1:06.93 |
1:09.77 |
2.84 |
| 2 |
Symington, Annabel V (18)
|
NTDM |
1:08.52 |
1:10.81 |
2.29 |
| 3 |
Hrasko, Emma B (15)
|
NTDM |
1:11.07 |
1:11.95 |
0.88 |
| 4 |
Greenwood, Danielle E (14)
|
NTDM |
1:13.26 |
1:14.75 |
1.49 |
| 5 |
Jacobson, Cara J (13)
|
NTDM |
1:22.06 |
1:14.94 |
-7.12 |
| 6 |
Tarighi, Leila (14)
|
NTDM |
1:11.25 |
1:16.04 |
4.79 |
| 7 |
Auer, Dixey P (15)
|
NTDM |
1:18.34 |
1:18.17 |
-0.17 |
| 8 |
Arnold, Isabel B (13)
|
NTDM |
1:25.88 |
1:26.23 |
0.35 |
| 9 |
Lankford, Avery A (13)
|
NTDM |
1:35.67 |
1:27.60 |
-8.07 |
| 10 |
Steger, Elizabeth A (13)
|
NTDM |
1:25.75 |
1:29.30 |
3.55 |
| 11 |
Dehmer, Anna E (14)
|
NTDM |
|
1:33.05 |
- |
| 12 |
Mantooth, Violet J (14)
|
NTDM |
1:38.79 |
1:38.98 |
0.19 |
|
Bright, Ellen E (13)
|
NTDM |
|
DQ |
- |