| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Symington, Annabel V (17)
|
NTDM |
1:09.81 |
1:13.59 |
3.78 |
| 2 |
Adams, Misty M (18)
|
NTMTRO |
1:20.01 |
1:16.65 |
-3.36 |
| 3 |
Stidham, Catherine E (16)
|
NTDM |
1:21.06 |
1:19.27 |
-1.79 |
| 4 |
Wells, Margaret D (15)
|
GUMARC |
1:19.27 |
1:21.22 |
1.95 |
| 5 |
Whitmer, Katherine P (16)
|
NTCOPS |
1:24.20 |
1:26.01 |
1.81 |
| 6 |
Busick, Kennedy E (16)
|
NTMTRO |
|
1:26.24 |
- |
| 7 |
Lee, Susie (15)
|
NTLTSD |
1:29.06 |
1:26.47 |
-2.59 |
| 8 |
Best, Alison K (16)
|
NTCOPS |
1:28.62 |
1:27.37 |
-1.25 |
| 9 |
Pigg, Emily M (15)
|
GUMARC |
1:27.26 |
1:28.86 |
1.60 |
| 10 |
Bartlett, Gabby A (16)
|
GUMARC |
|
1:32.00 |
- |
| 11 |
Lesan, Setareh (15)
|
NTCOPS |
1:36.68 |
1:38.56 |
1.88 |
| 12 |
Henson, Grace C (16)
|
NTATAC |
1:44.31 |
1:48.25 |
3.94 |
|
Anderson, Payton A (15)
|
NTMTRO |
1:44.95 |
NS |
- |