| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brown, Sarah E (14)
|
ORTEAM |
1:00.32 |
1:01.80 |
1.48 |
| 2 |
Wu, Andrea Y (14)
|
PNWAVE |
1:01.26 |
1:03.30 |
2.04 |
| 3 |
Sheerin, Claire E (13)
|
ORTEAM |
1:08.41 |
1:04.05 |
-4.36 |
| 4 |
Shroufe, Jane A (14)
|
OROCST |
1:07.70 |
1:04.29 |
-3.41 |
| 5 |
Kingsbury, Natalie I (14)
|
ORHEAT |
1:02.65 |
1:05.98 |
3.33 |
| 6 |
Zarosinski, Gracie H (14)
|
OROCST |
1:08.76 |
1:06.28 |
-2.48 |
| 7 |
Seneker, Molly E (13)
|
PNOCA |
1:06.37 |
1:06.39 |
0.02 |
| 8 |
Sanchez, Alyssa M (13)
|
ORHEAT |
1:07.24 |
1:06.76 |
-0.48 |
| 9 |
Han, Grace M (13)
|
PNOCA |
1:05.45 |
1:06.85 |
1.40 |
| 10 |
Yueh, Alice (13)
|
ORTHSC |
1:10.40 |
1:07.03 |
-3.37 |
| 11 |
Fernstrom, Natalie T (13)
|
ORTHSC |
1:08.68 |
1:07.69 |
-0.99 |
| 12 |
Bono, Isabella C (14)
|
PNWAVE |
1:07.53 |
1:07.83 |
0.30 |
| 13 |
Burke, Ruby L (14)
|
ORTHSC |
1:07.99 |
1:08.95 |
0.96 |
| 14 |
Huang, Rong (14)
|
PNOCA |
1:10.83 |
1:12.14 |
1.31 |
| 15 |
Gao, Abigail (13)
|
ORTEAM |
1:14.91 |
1:12.56 |
-2.35 |
| 16 |
Kim, Ashley (13)
|
PNOCA |
1:11.58 |
1:13.06 |
1.48 |
| 17 |
Kraske, Maria H (13)
|
ORHEAT |
1:10.36 |
1:13.24 |
2.88 |
| 18 |
Duyck, Sophia A (13)
|
ORTHSC |
1:13.25 |
1:14.77 |
1.52 |
| 19 |
Norgart, Sophia A (14)
|
OROCST |
1:18.60 |
1:15.26 |
-3.34 |
| 20 |
Champlin, Geneva R (13)
|
ORHEAT |
1:19.98 |
1:15.68 |
-4.30 |
| 21 |
Manfredi, Milan H (13)
|
PNOCA |
1:21.32 |
1:16.08 |
-5.24 |
| 22 |
Young, Elizabeth X (14)
|
ORTHSC |
1:10.45 |
1:16.25 |
5.80 |
| 23 |
Roering, Estelle J (13)
|
ORTEAM |
1:21.80 |
1:17.46 |
-4.34 |
| 24 |
Tengsico, Meiruh B (14)
|
OROCST |
1:18.48 |
1:17.98 |
-0.50 |
| 25 |
Arunarasu, Thilagabaga (13)
|
ORHEAT |
1:23.84 |
1:23.65 |
-0.19 |
| 26 |
Huynh, Ann T (13)
|
PNWAVE |
1:27.10 |
1:24.17 |
-2.93 |
| 27 |
Reedy, Elizabeth G (13)
|
PNWAVE |
1:21.00 |
1:26.22 |
5.22 |