| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Scholer, Heidi N (15)
|
MACBST |
1:09.73 |
1:10.23 |
0.50 |
| 2 |
Brandbergh, Eleanor J (15)
|
MACBST |
1:08.66 |
1:10.34 |
1.68 |
| 3 |
Freed, Hailey (15)
|
MASOUD |
1:08.39 |
1:10.43 |
2.04 |
| 4 |
Rounsavill, Jacqueline M (17)
|
MAGSA |
1:11.86 |
1:12.23 |
0.37 |
| 5 |
Chell, Stephanie N (17)
|
MACBFY |
1:10.81 |
1:13.52 |
2.71 |
| 6 |
Kearns, Abigail E (16)
|
MACBST |
1:15.91 |
1:17.18 |
1.27 |
| 7 |
Schwedler, Joy R (15)
|
MAUN-Y |
1:18.00 |
1:17.86 |
-0.14 |
| 8 |
Sterner, Courtney B (15)
|
MACBFY |
1:17.20 |
1:18.65 |
1.45 |
| 9 |
Miksa, Leah (15)
|
MACBFY |
1:19.92 |
1:19.20 |
-0.72 |
| 10 |
Goroshko, Julia (16)
|
MACBST |
1:19.34 |
1:19.60 |
0.26 |
| 11 |
Valdepenas-Mellor, Zoe (18)
|
MAGSA |
1:12.99 |
1:19.89 |
6.90 |
| 12 |
Cavalluzzo, Christina M (15)
|
MACBFY |
1:26.26 |
1:21.68 |
-4.58 |
| 13 |
Jones, Elizabeth G (15)
|
MASSC |
|
1:25.84 |
- |
| 14 |
Schluchterer, Hailey (16)
|
MAGSA |
|
1:37.17 |
- |
|
Axler, Elizabeth M (16)
|
MACBFY |
1:20.34 |
NS |
- |
|
Liu, Chelsey (15)
|
MASSC |
1:11.60 |
NS |
- |